Harley twin cam oil pump problems A few week ago it developed a lot of valve train noise. Take out the spark plugs , and using either the starter or kicker , rotate till oil is flowing. Why Does the Oil Pressure Relief Valve Leak? • General Design • Non-Machined Seat in the Cam Support Plate • Non-Concentric Chamfer on Sealing Plunger • OD Precision Ground • Seat Angle not Ground or Matched to Cam Support Plate • Manufacturing Issues • Porosity in the Cam Support Plate at the Seat Shop our complete selection of Harley-Davidson Motorcycle parts and accessories including the Twin Power High Performance Oil Pump. When the engine is running there is oil pressure that opens the check valve and allows the oil to flow through the engine. Your oil pressure is normal. 030 runout on the crank but it will be stabilized to the max clearance in the pinion bushing. The 2016-2017 low rider s comes with a 110 twin cam and makes a good amount of power , but you can get a 117 kit if you need more power. If you don't want to upgrade to the new roller cam chains or prefer gears, Harley sells a Screamin Eagle billet cam plate that incorporates the new oil pump. Cam chain tensioner failures can lead to excessive noise, loss of power, and potential engine damage. Twin cam 100%. Oct 28, 2023 · Let me give you a bit of background on the Harley Davidson 103, also known as the Twin Cam. The oil pump plays a crucial role in ensuring that the engine parts are adequately lubricated, reducing Jun 15, 2007 · the thing is the levels try and equalize between when sitting that is why you are supposed to fire a twin cam befor checking oil tank level althou 40oz is excessive but your plan of attack is good. I will say this too, watch his M8 tear downs too because he has ran into sumping problems on M8’s more frequently than TC’s. The working theory is that once the cam chest is sucked clear, the pump then draws in more air than it can handle. Based on what has been written so far, it reads like the scavenge side of the oil pump is cavitating. Importance of Jun 21, 2010 · Hearing about oil pumps failing with . 15 TQ, Dyno'd @ Doc's, St. 5:1 @ 195 ccp. Jan 5, 2004 · Oil Pump I talked to Steve at S&S tech support, and he said they recommend using the stock oil pump on all twin cams. Seal and Gasket Solutions Apr 18, 2004 · TC-88 Oil Pump Alignment This procedure must be performed anytime an oil pump is removed and reinstalled to ensure proper oil pump function. 00 $ 391. Welcome. Jul 6, 2013 · Guys need some help here is what I have 2009 Street glide 103 stage 4. Thanks to the oil tank under the transmission, the Baggers don't generally have the problem That wavy washer was a bad fix for a known problem that really doesn't work all that well. 1. Mar 25, 2024 · In 2010, the Twin Cam 103 was introduced, which had a displacement of 1690cc and was even more powerful than the Twin Cam 96. Started bike, ran great for about 30/45 seconds, did the same thing. yes, running the oil to the fill mark tends to cause more carryover -for whatever reason- , i believe your oil change calls for 4 quarts. Trouble shoot low oil pressure. Jump to Latest 16K If not, bypass valve or oil pump problem. Loctite was used on oil pump and camplate bolts interfering with oil pump side clearance stack up and or camplate sealing to case. com. If you own a Harley Twin Cam, you might have experienced oil pump and pressure issues. that provides 10% more flow and 23% more scavenging which is nice . I did not notice the oil light come on. Increase your Harley Twin Cam Oil Pressure and performance by replacing the stock oil pressure relief spring in the oil pressure relief (bypass) valve of the cam support plate. Jul 26, 2009 · Oil pressure relief valve sticking?? (update) I installed a set of cams in a freinds 96" 07 streetglide, it had 6 thous runout on the crank, weve tried to line up the oil pump twice now, once not using pins and the 2nd time using pins and it's still sumping, it's also running about 5psi more on oil pressure than before, could the relief valve in the cam plate be stuck causing this, a mech at Mar 18, 2021 · 1. There is already a revised oil pump, which is probably what you'll be getting. I replaced the oil pump with another Harley part, should have gone to a Fueling oil pump. Breather hose was connected to air filter. R. Jul 11, 2020 · The new 114 M8 is the BEST motor Harley ever madeperiod. Yes the S&S oil pump took care of that. He admitted this could rob 1-2 HP by keeping the pump running non-stop but he would compensate for the loss by adding a crank case breather valve to gain about 3 HP. you have to get the oil UP the inlet, into the pump. Previous generations of Harley engines, like the Twin Cam, were notorious for this issue, and while it has improved with the M8, it can still occur. Also check the o-ring on the stub of the pump. It’s a 87’1200 sportster. Enough that it would get all over the pipes and bags and smoke . One major problem is the Twin Cam tensioner. Twin Power High Performance Oil Pump - 87076 - Dennis Kirk www. The new 2020 Harley oil pump comes stock on those 2020 and newer Harley models with the Milwaukee-Eight motor. When i stopped and let it idle it went down to 8 then 2 psi. Nov 23, 2021 · While the Harley Davidson 96 cubic inch twin-cam engine was largely seen as one of the best they’ve made, 3 particular issues that it suffered were connected to the cam chain tensioner, the oil pump, and issues with the bearings. Cut engine off before tank is completely dry. Suspension and Handling Concerns: Bouncy or unstable ride, difficulty steering. Man what a scalding that is. I let it cool down for about an hour and the pressure came back up to 35-37 psi at 2500 rpm. He explains it really good without being too technical or boring. Ya may want to pull the tappet screen plug to 'burp' any air and make sure oil is flowing. Could something be clogged in the engine itself? Bike has new oil pump. The only issue seems to be that it's not getting fuel . Same with the feed and return. Feb 29, 2016 · Step 5 – Install the new oil pump and cam support plate. This SE kit with a Baisley spring will increase his oil flow by over 16% and scavenging by over 29%. Checked oil, none on the stick, added 3 quarts cam back up. Chain tensioners in good shape. This may involve replacing a worn-out oil pump, cleaning blocked oil passages, or switching to the correct oil for your Harley’s engine. Oil Pump Issues. " Wet-sumping is a condition where oil, instead of returning to the oil tank, builds up in the crankcase and cam gearcase, causing excessive friction and power loss. $391. Recently after a 500 mile trip pretty hard and lots of hills, there was a very small amount of oil on the front of the battery box. Everything looked fine but did replace all gaskets and "o" rings. The plug to the right, "the tall tower", is to access the oil pressure relief plunger. 00 off. Although these engines differed significantly from the Evolution engine, which in turn was derived from the series of single camshaft, overhead valve motors that were first released in 1936, they share a number of characteristics with Feb 2, 2011 · I checked the cases really good per Springer and found no problems. Oct 13, 2009 · My oil pump did not quite look as scored as yours, I do change my oil and filter every 3k miles and have only used Mobil 20-50. Signs of oil pump problems include low oil pressure, engine overheating, and unusual engine noise. Let’s look at each in turn. Twin Cam engines possess V-twin cylinders configured at an angle of 45 degrees. you have either overfilled the oil tank or you have a problem with your breather. try running it . T. The S&S TC3 oil pump Aug 20, 2014 · Oil pump scoring is normal and common. Plus the 17 mm nut on the base makes changing the filter very easy. 75 baffles, 78. Aug 11, 2011 · Swapped on the SE upgraded oil pump, billet cam plate w/hydraulic tensioners and also upgraded the aluminum head breathers with the newest style steel versions. Tear down the engine and look for blown bearings unless you can find the reason in the cam chest and you can account for every little bit of metal missing in both pump gears. When I got the cam support plate cams and oil pump out it was very clear wht happened. This is a issue not talked about with the instruction sheet for the SE HV oil pump and cam-plate combo kit but there is a HD kit to plug this hole. The pressure relief valve is a key component in your engine’s oil system. Mar 2, 2022 · The oil pump has over 140K miles on it and has no problem scavenging the oil out of the engine, pushing it through the TC filter and back to the tank, without any oil blowing out the breather. 030", HPI 51mm Throttle Body, SE Bullet Breather, AIM Lockup Clutch and easy pull ramp Dec 16, 2005 · I recently lost the inner cam chain, front cam, oil pump and cam plate. com the inlet to the oil pump is above the oil tank. I had good oil pressure but no oil to the top. Louis. Anyone had this problem? May 19, 2022 · I have since replaced the breathers in the rocker boxes with the updated ones from Harley (that didn’t solve the issue ) and done a leak down test where it showed less the 5% leak down in both front and rear cylinder. Show Less . Mar 20, 2010 · Mine problem was the oilpump was not assembled correctly. All three 107, 110 and 114 Harley Davidson models rock powerful M8 engines successively. Dec 4, 2023 · Maintaining proper oil circulation is crucial for the longevity of any engine, and Harley Twin Cam engines are no exception. 00. But it has some issues. Which would point to a drain back restriction that leads to oil sitting on top of the heads, often leading to oil on the air cleaner and crank windage, creating pressure in the sump or oil tank. Read more: Twin Cam vs Milwaukee 8: Harley Motor Shootout. One of the most popular models was the Harley-Davidson Softail Heritage Classic. 2 days ago · Quote from: Hilly13 on June 13, 2023, 12:46:28 PMThe roll pin can be done, finicky but doable, did you have the oil pump apart? It is possible to put things back in the wrong order and still fit, won't make pressure though, hope you find something simple as the cause. Aug 12, 2020 · I’ve used the K&N 171C oil filter on my last 3 Harley’s with no problems. I have 17K hard rode miles on it without a hiccup. 3:1 HTCC CNC heads Jarzs modified set up for 20 deg. Long story short, one more new oil pump and a new cam plate. It has been observed that some TC-88 engines are experiencing oil in the air cleaner when the vehicle is driven at high speeds. Dec 15, 2012 · I have a 2011 FLHTK with 31,000 mi. I installed the screws to almost tight and had my wife turn the back wheel once or twice. The Harley Davidson 88 sports the signature Twin Cam engine, manufactured by Harley from 1998 to 2017. When it sticks, it can cause the oil pressure to fluctuate wildly. Free shipping on orders $50+ and free returns. Jul 8, 2009 · Axtel makes a oil pressure bypass that increases idle oil pressure and vents the pump to prevent oil stall by dumping excess oil back into the sump. Harley-Davidson Twin Cam engine at the Harley-Davidson Museum. The Twin Cam engine requires a strong and consistent flow of oil to prevent damage, but some riders have reported issues with oil pressure and flow. This small part can cause big headaches. I have done this 4 times and the oil always collects in the cam chest. Today I was riding in a slow escort and idling when the oil pressure dropped and the low oil pressure light came on whenever at idle. Test InstaPay $10. 5 qt low at 3. Feb 6, 2019 · I have a situation that I am stumped with. Harley's Twin Cam 88 is a great motor. The engine will not have any Horsepower related modifications, just going in for some preventive maintenance and while there wanting to replace the OEM oil pump Will also be doing the same thing to a 2003 Heritage in the not so far off future Jan 1, 2009 · HYPERFORMANCE and R&R Cycles R&D 131" Build 85,000 PSI Ductile Iron Cylinders~Ext. Aug 22, 2022 · These motors are really susceptible to sumping and foaming oil if there’s too much in there. The 2nd most prevalent problem of the Harley-Davidson 107 is that it suffers from significant oil pump issues linked to lower-quality cam chain tensioners. And "NO" it does not have the hi-flow oil pump in a stock 07. Talked to 2 different dealer mechanics, both said must be a plugged hole. I made a upgrade on the oil pump and Cam support plate. i have seen tc builds that have been overfilled not rturn enough to clear the bottom untill some oil was removed from the tank Harley 107 Problems. Most of the oil pump May 4, 2010 · This is the way I always do it, Harley use to tell you to just spin the rear wheel while tighting the screws, but then said to use the alignment tools, I would use the tools as well as turning the engine over while tighting the screws, you can pick up the tools for around $15. That's just a reader's digest version. HDs hydraulic kit includes a new oil pump assy. the bike has a complete feuling cam chest with new plate and oil pump. Electrical and Wiring Challenges: Electrical system issues, battery problems, and faulty wiring harnesses. Install the oil pump components in this order: Inner oil pump gears (make sure the relief cut on the inner rotor is facing towards the engine). Oil doesn’t seem too be leaving oil tank. Aug 7, 2020 · The new 114 M8 is the BEST motor Harley ever madeperiod. Only 1 left in stock Jun 6, 2009 · Low oil pressure when you did this is a lack of oil to the pump, lifters collapsed from lack of pressure. 7:1 Comp~"KOC" & R&R Designed D&D Boarzilla 2 1/8" ID 2N1~R&R Raped Ape Billet Heads~R&R Billet Cam Support Plate & Chrome Cover~R&R 620 Cams~R&R Roller Rockers & Supports~HPI Oval Port 62mm EFI~Baker OD6 +1 Oil Pan~Renegade Ledgends 18" Wheels~True Track~ Traxxion AK-20~Bitubo Sep 8, 2006 · most riders buy Most riders buy it if they increase the cubic inches of the engine. . Nov 13, 2023 · If you have filter media in the pump and some drained out of the oil tank too, you're doomed. Jun 16, 2019 · No drips on the concrete floor or oil running out the tail pipe on either bike. Aug 23, 2020 · The issue im having is the installation of a S&S cam plate & oil pump. As the weather cooled off in FL, I changed to Amzoil 20W50. All in all, the Twin Cam 96 is a good motor, but like any mechanical device, it’s not without its potential issues. com/a40626/H Dec 11, 2023 · Usually, this problem is caused by the oil pressure relief valve sticking. Check your oil level in the tank. Jun 6, 2022 · What Is Harley Twin Cam? Harley Twin Cam is a term that is exclusively used to describe Harley Davison engines produced between 1998 and 2017. most HD mechanics have a used Dyna oil tank plug they have modified with an air fitting. Apr 11, 2005 · George Douglas brought up an important point about the twin-cam filter. Jan 11, 2008 · If you do the roller chain conversion on an 88 you get the oil pump as part of the new cam support plate and other upgrade apparatus. This then creates the problem when continuing to assembly the oil pump as everything is out by 3mm. Between these two sets of components, the latter has repeatedly proven to be the more common culprit behind the engine’s excessive oil usage. Dec 29, 2019 · Hey guys I’ve been doing a build and I replaced the cams, csm plate, and oil pump. S&S Model number : 509c chain drive cam chest kit 330-0540. Broken oil pump gears, inspect for debris in oil, excessive end play and or crankshaft runout. This model was introduced in 1986 Jun 2, 2022 · Now, this does not happen to every engine made between 03 and 06, but it is a well-known problem. Oct 27, 2003 · Twin Cam oil pump priming. Oil goes from tank, to pump, to the filter back into the cam plate where it is distributed throughout the top and bottom of the motor before it is scavenged out by the pump and sent back to the oil tank. Some of the most common Twin Cam 88 issues included: Cam Chain Tensioners Jul 17, 2006 · Oil pumps break for a reason! Foreign object went through the pump on both occasions. It was about 65 degrees Jan 11, 2013 · Twin cam,cam change,rocker arm problem Jump to Latest 16K views 15 replies 5 participants last post by nipplesurfer Jan 17, 2013 May 14, 2006 · I am having the same problem and would like to know what gasket you used! I got the current new gasket from a local builder and informed him it was a 99 FLHTC. It has Stage 1 and 204 cam. Think about it and it explains the oil blow-by with the more restictive twincam filter. Dec 1, 2024 · Front rocker noise , removed cam cover to find front cylinder cam bearing in screaming eagle hydraulic upgrade kit bearing in pieces metal in oil and filter element, cut it open , 40 thousand miles on this kit. Sep 18, 2022 · and my oil pressure dropped from a normal 45-50 psi (with oil bypass valve) down to 18-20 psi. 2020 Road Glide Limited, Klock Werks Pro-Touring windscreen, Grasshopper drivers backrest, highway pegs, S&S Grand National mufflers, S&S Stealth air cleaner assembley. This engine was Harley’s go-to from 1998 all the way to 2017. I opened up the cam chest and to my surprise the tensioners were perfect. May 9, 2012 · But I do know for a fact that a Baisley spring will give him a little better oil pressure. Oct 3, 2022 · I discovered that the former owner lost the first oil pump and rode it with no oil pressure two miles though town to the Harley shop. it only lasted 600 miles before this failure. Checked it out the next day, oil way over full. Oil pump was assembled correctly. Products is designed to increase oil pressure on all 1999 and up Twin Cam engines. Jul 13, 2017 · Aside from the upgraded tensioner setup the new oil pump resulted in an extra 5-10 psi of oil pressure for me which is always a good thing. UPDATE: At 13,599 miles my dealer installed: 25700731 GASKET SET, CAM SERVICE 62400206 OIL PUMP ASSY, COVER (these 2 parts are on the 2019 114's and 117 inch motors) Sep 7, 2023 · Oil Pump and Pressure Issues. Oct 7, 2011 · You can replace the oil pump, or simply replace the pressure spring with a Baisley Oil Pump Spring. I only loose oil pressure when taking off or rolling on the throttle at speed. Oil Lines~Cylinder Base Bolts~11. the plates are similar, orange is for roller or ball cam Normal Harley oil pressure in Shovel, Evo & Twin Cam engines usually means it is not with-in factory Harley Specs. your oil tank only really holds about 3 1/2 quarts. Is this engine basically solid or does it have inherent problems? Harley Talk Twin-Cam Aug 21, 2009 · As has been said , the HD hydraulic tensioner upgrade and the gear drive upgrade both pretty much solve the problem of worn / broken chain tensioners . Jun 22, 2007 · on a hot day mine runs 5 pounds and i havent had any problems . 020" crank runout etc etc etc. Dec 31, 2006 · IMHO, stock plate, feuling pump, LMR2 bypass. It’s widely known that Harley Twin Cam 88’s problematic years were 1999-2002/2006 These early Twin Cam 88 models experienced a lot of issues, causing Harley to design the slightly better TC88B and then the TC96 in later years. At one point engine oil breather filled carb with oil. 263 SE cam SE lifters, Perfect fit pushrods etc then I did the SE Billet cam support plate with High Volume pump 25282-11 Oct 1, 2007 · The last indy said he would add shims under the oil pump spring to lower overall engine temps, and to keep the oil pressure up at a constant 40 - 60 psi. and idled at 12-14 psi (pretty normal with cold motor) Feb 11, 2017 · When ya pulled the check ball , ya should have filled it with some oil from a bottle or a hand pump oil can. Common causes of stock pump failure are debris and excessive pinion shaft run out. All the oil was in the case & cam chest . Apr 21, 2012 · Finally home long enough to take a look at my oil return problem. pinch off the vent line and apply a SMALL amount of air to the tank while cranking the engine (spark plugs removed) until you see the oil pressure light go Mar 27, 2014 · The first thing I think is the cam chain tensioners have gone and taken out the oil pump. Baisley Hi-Performance Oil Spring Product The cam plate/oil pump kit is pt# 25282-11 I can't find a separate number for just the oil pump. Took everthing form the rockers to the oil pump out and checked for pinched or torn "o" rings. Jan 6, 2024 · Quote from: turboprop on March 08, 2024, 06:00:27 AM Quote from: itsafatboy on March 07, 2024, 05:32:13 PMUse the RR 2 piece cam plate this thing is the strongest cam plate out there, and use the thayer 3 stage 06 style pump , 01 , 116" You cannot view this attachment. Feb 22, 2010 · Billet Aluminum High Volume Oil Pump, fits Twin Cam 88 engine. The Twin Cam oil pump is a joke that Harley played on us, IMHO. Pressure at startup is 60+, let it idle for a few and all is good. One of my references for this information is a man named Dan Thayer. Thank you for choosing Just Answer. Snugged to torque and continued on. The same scavenge section of the pump clears oil from the cam chest and the crank area. The oil pump went out solid on the 3rd 5 -7 second attempt. 2002 road king, 13,000 miles, wet sumping. make sure oil pump is good along with o rings so its not sumping Sep 22, 2024 · Cam Chain Tensioner Wear. Hydraulic shoes are fine . May 30, 2008 · The oil passage on the back of the new style cam plate SE Fueling or Delkron must be plugged to keep the oil from short circuiting back into the cam case it can not build oil pressure. He said they dont use or recommend anything but the stock H-D oil pump. Oct 19, 2008 · HD changed the stock oil pump on the 07's and put a higher performance one on. The external style of oil pump is notorious for this, the internal gerotor is somewhat better, but has its problems too! Step-by-step video on how to install the upgraded Harley-Davidson Twin Cam oil pump. Usually includes a full 20 or 30k service too ! That's how I quote the job to a customer. When I removed the cam cover bearings balls fell out along with silvery oil and the cam plate is wallered out. Mar 28, 2021 · So here goes, after oil change {first ride of the year} went about 150 miles, when my 2006 twin cam started to back fire, ran out of power. I read up on Twin Cam oil pump problems and decided that maybe Harley should have stuck to the old fashion one used on the EVO but I digress here! Jun 22, 2022 · I would take the oil pump apart and inspect the gear rotors and plate for obvious scratches. It’s the company’s second engine that utilizes dual cams to operate the valvetrain. Lubricate the gears Oct 31, 2023 · However, the twin cam 96 remains a reliable and capable engine that continues to be enjoyed by many Harley riders. It also seems to happen to stage 2 and stage 3 Twin Cam engines, as the extra HP and torque from the performance upgrades make the high runout problem worse. Everything went together smoothly. 96s and 06 Dyna 88s all come with the new oil pump. That oil pump was an upgrade from the previous pump used from 1999 through 2006. if you think theres a problem ck specs if it doesnt meet them get a new oil pump not a heavyer spring %potstir@ 10+5+20+15-7=43 :hmmm: Save Share Oct 28, 2012 · If yours has over 25K I would chage the inner cam bearings to the timkens and put the hybrid screaming eagle hydralic tension kit with the upgraded oil pump or a gear drive cam if your crank runout is under . Dec 15, 2006 · From 1968 to 1999 the oil pumps are all pretty much the same in respect to the check valve. I had us a FRAM filter on assembly. Jul 31, 2010 · 07 FLHX, 114CI S&S 4-3/8 crank darkhorsed, timken conversion JE 20 degree pistons 10. My engine does not consume any oil, the exhaust is clean and dry, it runs great and I think my noises are normal. and I cannot hear the fuel pump prime. FREE delivery Thu, Jan 30 . denniskirk. To install the new oil pump: Slide the inner oil pump housing back onto the crankshaft and into the scavenge port. I also use the Valvoline Vr1 mineral and Belray Vtwin primary oil as well as Shockproof in the transmission. 51 HP, 96. Jul 27, 2019 · I have drain the oil tank cracked the cam chest to get the oil out of there. towed it home. After I went about 1200 miles on a weekend trip I came home and changed the oil. 005-. Discussion on V-Twin Harley Davidson Dec 31, 2008 · Kicks, I hope this might help, I assume you have the alignment pins to align the pump up, if you do try this, run the pins to where they are barley starting to pull the oil pump up to the plate or where the o ring barley makes contact with the plate then stop, raise your bike up in the rear and put it into 5th gear,with the spark plugs out have S&S Cycle TC3 Oil Pump For Harley Twin Cam. ( It all let go in Sturgis this summer) I replaced everything ( EV37 cams, Feuling Oil Pump and Cam Plate, Fueling Lifters,Crain Gear Drive, Crane Adjustable Push Rods) Bike runs very strong. Oct 7, 2013 · Hello I have a 2003 Fat Boy. Take heed of instructions for after market replacement oil pumps, they require the same pinion runout specs as the S&S gear drive cams. Inconsistent Oil Pump Performance. I've read/heard that sometimes the oil pump light does not go out until you start the bike. Sep 10, 2023 · Here is a comprehensive list of the most common Harley 107 problems: Read next: Harley 107 vs 114. Out of spec pressure side of oil pump due to scoring. Mar 21, 2010 · Harley Davidson Evolution and Twin Cam Touring Oil pressure problems. Own a 2019 RK Special and it's the finest Harley I've ever owned, last being a 2015 King Standard 103. Now I am having problems with the bike starting now and am wondering if my timing is the reason. Aug 20, 2019 · Usually the oil light would sometimes flicker when the bike was at idle and once after I changed oil the oil light didn't go off for about two miles. Jun 18, 2024 · The Harley Davidson 103 engine is legendary. Jul 29, 2020 · What High Volume Oil Pump would you suggest for a 2002 Twin Cam Engine in a Road King. When this occurs, the scavenge pump essentially stops pumping while the feed pump continues to pump oil into the engine. Never any oil related failures with the early 124" If you have money to burn or are changing the oil pump due to wear or failure go for it. Jan 29, 2024 · 2002 Harley Fat Boy Problems. Mar 23, 2018 · This Harley Twin Cam Oil Pressure relief valve spring kit from E. Aug 25, 2017 · Harley has an M8 oil pump issue and they are down playing it. Feb 27, 2024 · The Harley Twin Cam engine has been known to have several common mechanical issues, including cam chain tensioner failures, oil pump problems, and crankshaft inadequacies. Feb 6, 2011 · Nothing can ruin a Man's Day faster than an almost Takeoff! 2001 FLSTCI, Heads ported and revalved to 98 CI BB by Technomotion, NL. keep the oil level near the low mark while hot. This can end up leading to some serious problems if left untreated. These issues can lead to significant engine damage and affect the overall performance of the motorcycle. This is a notorious problem in Twin Cam engines. The plug to the left is for the oil pump check ball. Having said that, your oil choice for all 3 holes is fine. https://go. Jun 24, 2013 · The engine runs great with no smoke, no oil consumption and no odd noises. US Navy Veteran 1974-1979 (AD2), FAA A&P Mechanic since 1980, 1989 FLSTC, 2016 FLHR, 2019 FLHT, 2022 FLHTCTGU Jul 29, 2004 · The tappet screen, you can call it the oil pump screen if you want lol, is located under the plug on the crankcase just forward of the oil pump. But I have to get this fixed or I'll go nuts. Check your plug magnet and make sure still strong, but remember aluminum is non-mag. ? is anyone using a Sifton pump ? Any problems, regrets. He told me with no exceptions the twin cam does not require more than 30lbs oil pressure. The rotation is required to align the flats of the gerotors and two separator plates. 3 days ago · The side of the oil pump that fits against the cam support plate, which is the pump’s feed side. It was designed with an anti-drain-back valve which is not needed on an EVO. 7000 High Volume HP+ Oil Pump For Harley-Davidson Twin Cam Models. a problem I sometimes have now with my stage 2 big bore. 585G cams, feuling cam support plate, feuling oil pump, and S&S roller rockers. pistons, Wood TW-8G gear drive cams, fueling cam plate and oil pump, S/E roller rockers,Wood corrected geometry billet rocker supports,S&S tuned induction air cleaner, S/E 50 mm TB reworked, Fatcat 2into1 big bore baffle, riverra pro clutch,baker +1 and Nov 20, 2007 · 05 FLSTNI 107ci 11:1,T-Man Stage 3 Heads, Baisley Roller Rocker arms, SE Forged Stroker-worked by Darkhorse Cranks, T-Man TR-662 roller driven cams, HD-B Lifters, Feuling Camplate, Superpump and Adjustable Pushrods, Wiseco Pistons, Cometic . On a hot day, my stock oil pump would barely register above 0psi at idle but now reads about 10psi. 5qt 2. 006 clearance if I remember correctly will hang together until the pinion bushing gets beat out to the point this clearance is eaten up. Oil Pump Issues, Vibration, Wet Sumping, Oil Aeration, Cam Chain Tensioners Issues, Flawed Crankshaft, Overheating and Cold Starting. Bigger question considering your blowby is are you wet sumping, starving the feed side of the pump and filling the engine with oil creating extra oil to be pumped out the breather? May 16, 2010 · The engine is a custom build 124” with Harley, S&S parts and R&R parts: • Stock Harley Davidson case • S&S 106-0183 124" hot setup super sidewinder kit • S&S 640 Gear drive cams and S&S gears • R&R 17-1001 stage V twin cam cast cylinder heads • PSI Series 4 production GENESIS "BIG-AIR" carb • Feuling cam plate • Feuling super pump Find Screamin' Eagle Pro High Volume Oil Pump & Cam Support Plate Kit 62400260 at Harley-Davidson. So far it's been 3,000 miles and I have 55 pounds of pressure all the time the RPMs are over 2000. Lost oil pressure, remove and installed twin cam plate. The duel shocks have a awesome aesthetic appeal. Runs about 45-50 at 2600-3000 after warm. Twin cams sound better. Then put 3 quarts of HD360 back into the oil tank. Oil pump drive is off end of crankshaft. He also said there 124 inch stoker uses the stock H-D pump, with no problems or issue's if set up properly. Things just did not seem right the 1st time as I found metal in the oil (fine brass from pinion bushing) after 10 miles. Noe I keep reading that it could be wrong. Pure smooth POWER! Just finished upgrading the3 motor with a WOOD 22X-E cam, S&S oil pump, cam plate, chain tensioner, tappet cuffs,etc. The rear inner INA cam bearing was gone except for 3/4 of Apr 21, 2008 · When I retro'd the rear cam bearing to a roller and updated the cam plate, chains, and oil pump (99b) I installed the S&S reed valve just for good measure. Apr 26, 2022 · The 14, 15, 16 TC twin cool systems are the ones that had coolant pump issues originally and now are being upgraded to the M8 pump. Aug 3, 2008 · Need some help. 050 plus). Harley cam plate cracked after installing new oil pump. Related: > Harley Oil Breather Problems? Jun 17, 2009 · The new screamin eagle billet plate and oil pump kit does not use a o-ring or gasket between oil pump and cam support plate! Whats the deal, does it mount aluminum to aluminum? Also would you use the Baisley oil pump spring on the New Screamin Eagle Oil Pump Kit? Apr 13, 2007 · For me the oil pump light started flickering during the 2nd 5 - 7 second attempt. Nov 9, 2006 · The pump is good and thanks to the gold plated factory oil pump, is getting more and more cost effective. After the change I noticed oil coming out of the air cleaner big time. If motor oil is the lifeblood of an engine, then the oil pump is its heart. They look and work just like the Doherty ones but only cost $15 eachI also had lucked out and found the camplate setup online at a HD dealership for $300 instead of the $429 or more Sep 15, 2005 · After having 'true duals', an S&S gear drive kit, Andrews 26G cams, adjustable push rods and Feuling oil pump & lifer combo installed, the bike immediately started using oil at a rate of a quart per 1K miles. 4 days ago · The Harley oil pump design has caused lots and lots of trouble down through the years. Don't ride the damn thing without clearly having isolated and rectified the problem. This basically stalls the oil flow being lifted up from the crank area. If the runout is within spec, the oil pump will work, but will score the aluminum body (steel gears) as the crank moves, especially Jan 10, 2009 · So I pulled the gear cover and verified the oil pump drive gear key was ok, I disassembled the oil pump and insured the keys were in place, blew through the oil filter supply line and noted pressure in the oil tank, oil pump gears look great, new oil pump housing, and all new oil line hosed from the tank to the engine, all lines are in the Aug 29, 2011 · S&S 124 kit many years ago recommended stock oil pump and stock HD cam plate, gear drive cams before they came out with their own pump and plate. Stripped or loose camplate bolts causing camplate to leak. oil pump high volume / pressure 91-22 xl #88975 gerotor scavenge tc96/103/110 hv oil pump #88976 gerotor feed tc96/103/110 hv oil pump #88721 gerotor scavenge tc88 hv oil pump #88722 gerotor feed tc88 hv oil pump #88724 partition plate & o-rings tc96/103/110 hv oil pump #88723 partition plate & o-rings/tc88 hv oil pump #89241 drive gear / oil 🔧 Sign up for the free FMH newsletter to receive the latest Harley repair & maintenance tips delivered right in your inbox. Engine and Transmission Issues: Problems with the twin cam engine, including faulty oil pumps leading to engine seizure. If you use the Fueling pump, Fueling says that you should not use the stock lifters but use Feuling lifters because the Feuling lifters reduce the flow of oil to the top end which Fueling claims is necessary/desireable: Fueling website explains this. Nov 22, 2023 · The Twin Cam 96, introduced by Harley Davidson in 2007, has faced several issues. In the long run, the M8’s cam chain tensioners may wear out prematurely, causing the chain to become loose and leading to possible engine damage. Look up “Kevin Baxter twin cam tear down” on YouTube. Look at your oil filter setup, moving to a 5 micron system instead of 10 prolongs engine life but careful it does not restrict flow or you will oversump or worse just blow everything by the bypass anyway. He also explained how he sent bypass oil back to tank with his 3 stage pump to cool not build heat in the cam plate loop. Edit: cost of new cam plate, 161. Nov 22, 2019 · Jim Feuling was involved at the time. Dec 27, 2008 · Have the Fueling cam plate, race oil pump, stretched spring (. Someone partially rebuilt top end. This is why alignment screws are used to install it, as to center it as much as possible, and prevent excessive wear to the pump body. Evidently when I took it off some the gears came out and I didn't put it back in correctly. Although these engines are significantly different from evolution engines, they bore few similarities to their predecessors. Discussion on V-Twin Harley Davidson motorcycles including Dyna, Electra Glide, Softail, Sportster, and more. May 3, 2016 · Failure of the oil pump's scavenge side results in "wet-sumping. When I bought it used a couple of months ago it had Amzoil 60 W. The new oil pump design is meant to prevent oil sumping and improve engine performance. Something is wrong so I keep going. They need 3-5 to stay charged. If going with the gear drive I would also go with an oil pump upgrade . By 2012, this powerhouse became standard on Harley Davidson bikes. 030", HPI 51mm Throttle Body, SE Bullet Breather, AIM Lockup Clutch and easy pull ramp Jun 21, 2010 · The point at where they are taking the run out measurment and the fact that the oil pump cam side was as true in a Harley crank as it was in the aftermarket I found interesting and frankly a bit of a relief since I just sold the last of a great evo for my new 96. Anyone have any ideas?? Headed back Apr 17, 2024 · Twin Cam 88 Problems. I just did a complete rebuild on mine with a fueling cam crest and high volume oil pump. When I installed the oil pump It lined right up no problems. Apr 21, 2022 · Oil pump filling up oil tank. Oil pump issues can arise, causing inadequate lubrication, which can lead to severe damage to engine components. Oil pump and cam plate develop wear marks over time with crank allignment /TIR and flex. Aug 12, 2012 · The pins are tapered and will center the oil pump gerotors on the pinion shaft. Replaced stock oil pump, removed oil pan, can find no visible causes, no plugged oil orifices. The check valve is used to keep the oil in the oil tank when the engine isn't running. All top end gaskets, new lifters, install all new plate and inner case bearings, new tensioners, fresh relief spring, oil pump or better HVHP replacement and service the cam plate. Pumps have about . The most notable problems include oil pump failure (oil sumping), internal bearing failure, and cam chain tensioner failure. I am planning to upgrade to an S&S cam plate and oil pump in the next few months, looks like my riding season will be shortened quite a bit as I will not ride again until after the upgrades, i don't want to chance Jan 19, 2025 · The oil pump in your CVO is the same oil pump that's in all the other Twin Cam engines since 2007. 56 to my door from Zanotti. they put a Screaming Eagle cam plate and high flow oil pump in a severely damaged motor and put it back on the road. The common problem with the Harley 107 engine is Excessive Oil Consumption. Eventually the engine fills with enough oil to begin pushing it out the crankcase vent, in what can be described as a large Jul 26, 2006 · The leftover shavings got into the oil pump again and also froze the oil pressure relief valve in the closed position. 003 I changed mine at 32,400 on my 06 EG Classic and the inner bearings had taken the cams out already, also my tensions were about due. WTH! Dec 2, 2014 · I have been inside the cam chest a couple of times for maintenance, including tensioner shoe replacement, servicing the oil pump, and cam bearing replacement, and I don't have a problem doing that. Jan 29, 2024 · Replacing the oil pump is the most effective solution to fix oil sumping in Harley-Davidson motorcycles. Jun 22, 2009 · If you are using the old oil pump take a couple minutes to lightly stone the face of the cam plate and the the rotor gear to knock down the ridges. If you look at the oil pump itself you will see two plugs. Start engine and watch the oil level drop in the oil tank in less then two minutes. So this time I have had clys bored, heads reworked ect. QUESTIONS: While I just can't afford the SE high output pump upgrade or a Feuling pump, I'm wondering if anybody has tried one of the ebay oil pumps (high output billet oil pump). If you want more power you can always get preformance parts like cams , big bore kits, and throttle body’s. The Twin Cam has since been dethroned by Harley’s newest millennial enigma – the high-powered Milwaukee Eight engine model. Any scratches and the oil pump needs to be replaced. One of the most frequently reported issues with the Harley 107 engine is ongoing oil pump issues. The Harley-Davidson Twin Cam are motorcycle engines made by Harley-Davidson from 1998 to 2017. Took the oil filter off first and found it empty. fixmyhog. you can install a pump today and allign but in two days of riding the pump and plate will show wear marks. I went with the Screaming Eagle oil pump and hydraulic support plate. New oil pump cam plate, cams and head work. The twin cam filters oil before it enters the crankcase and the EVO filters oil on return to the oil tank. and thought I should look into a new oil pump. I put the fuse and plugs in and starter her up. Notable Harley Twin Cam Models. Sep 13, 2012 · 88" 510G cams, S&S adjustable pushrods, AN Big Sucker, PCIII, Fueling oil pump, K&P Engineering oil filter, Rhineheart True-Dual headpipes with Wild Pigs with 1. Not sure exactly what the issue is, but the lack of oil in the cam chest would suggest that yours is not lifting oil from the sump. Dec 14, 2023 · Fixing The Problem. So, as you are rotating the crank, you are aligning the flats and at the same time, using the pins, you are centering the pump internals on the pinion shaft. never top it off and never add oil without checking the level hot. 51mm HPI throttle body with Doherty Pacc AC, Crane HTC-296GD cams cp 10. Now my new 21 cvo roadglide has the new and improved oil pump from there latest design in 2020. That 5-10psi increase follows all the way up to max rpm. Apr 10, 2010 · You can in effect have . If your engine needs a transplant, the S&S three stage oil pump is a great solution for worn out or destroyed stock units. Feb 2, 2019 · The oil collects in the crank area while the engine is running. The latest SE pump claims to be a further improvement; the following is taken directly from Harley's description in the catalog: Mar 29, 2022 · I should point out that when I do TC cam plate service I go the whole 9 yards. Plenty of people have used these with good success and less valvetrain noise due to upped oil PSI. When the back of the oil pump housing is installed to the pinion shaft the inner oil pump rotor extrudes 3mm. The SE camplate and hi-flow oil pump are optionally purchased parts. 2. Addressing a hot oil pressure drop involves identifying and rectifying the underlying cause. 00 so it's worth it. Feb 7, 2008 · 05 FLSTNI 107ci 11:1,T-Man Stage 3 Heads, Baisley Roller Rocker arms, SE Forged Stroker-worked by Darkhorse Cranks, T-Man TR-662 roller driven cams, HD-B Lifters, Feuling Camplate, Superpump and Adjustable Pushrods, Wiseco Pistons, Cometic . So make sure you are compairing your stock pump with whatever high performance pump you are looking at. There have been several notable Harley Twin Cam models over the years. I recently had my 96" changed to a 107. Jul 3, 2020 · Oil venting issues seem to be a common issue with the twin cam motors when ran in the upper rpm range for a distance. Oct 22, 2023 · 2011 Street Glide - 96 CI Twin Cam, Woods 222 1999 Fat Boy - Evo, EV27 Cam, Dyna 2000i Mar 30, 2015 · I have a 2000 Road King with 106 S&S crank, . Oct 24, 2019 · My Evo I used the stock pump until I had my engine built, my twin cam had the stock pump, my 17 m8 rgu had 7 different pump updates in a little over a year. cxbsl rhwjibad ibffoq rboi qdgzch ibxot cdshap iqmhnjp zcub qiova
Harley twin cam oil pump problems. Man what a scalding that is.