It’s not much, but I’m concerned. A liter is slighly more than a quart and the oil tank on the bike is designed to hold three quarts of hot oil. This eventually leaves the transmission very low on oil and the primary with too much oil. oil coming out the breather vents in the air cleaner indicate the oil is Harley has tried making the oil pump pickup smaller, whether that is working I can't say. The S&S won't keep that from happening, but it should clear it soon after you stand the bike up straight. Hi guys. Unbolting the CKP isn’t hard and only involves a 3/16” Allen. It'll be my first Harley. MARCH 18TH, 2018 - HARLEY OIL PUMP DIAGRAM PDF HARLEY OIL PUMP DIAGRAM STILL CONFUSED IN SEARCHING THE VERY BEST WEBSITE FOR TRYING TO FIND HARLEY OIL PUMP DIAGRAM SIMPLY RIGHT HERE' 'tear it up fix it repeat I read about this fix.It looked good, but I didn't want to take off the pump. Their theory was that the primary was forming a vacuum as it cooled and sucking oil from the transmission. My desire is to share some of the knowledge of Harleys that I have gained over the years, but more importantly to give glory to God. There are two causes for this: Oil is not returning to the tank or oil is seeping through the pump while the engine is sitting unused. Dealers will inspect the clamps and fix them free of charge. My old 1983 shovel is spewing oil on the ground when it hasn't been started for a while (a week or more). Hi guys! Harley Davidson review rated 2.2/5.0 with 11 Comments: M8 motor with stage 4 kit all factory authorized parts, engine still sumping after going threw a few different... @PissedConsumer1634514 Your so wrong have a few friends with 2018 and one with a 2019. Method: 1) start the bike and do a short warm-up ride 2) stop the bike whilst still vertical 3) put bike on lifter 4) remove hex grub screw under crankcase on RHS of bike. I'm considering buying a Road King, 107 M8 engine. started after changing oil. One is taller than the other one. They just flung it onto the road when they were finished with it. Shimming the relief valve did not improve things but careful lapping brought the pressure up to 65 p.s.i. ;) I've read several stories about oil transfer or 'sumping' problems with the milwaukee eight engine. I think it’s mounted beside the oil tank now and he hasn’t had issues since. Over time, this leak could affect other components of your Harley and lead to a much more expensive fix. I’m trying to find the truth so That's the claim this week on Facebook, from a guy in Oregon in a Road Glide group who has posted a story and a couple of photos. 18s still have sumping. The rider just squirted oil into Harley-Davidson photo. Yall may already know this but it was new information for me and maybe it will help someone. The fix: Installing a new 2020 Harley oil pump is the only fix, which now comes stock on those 2020 and newer Harley models with the Milwaukee-Eight motor. Quick check:Tools: hex keys, measured 1 litre container, oil-proof Loctite. The dealership made a record of it and said Harley will not fix it unless it happens again so I'm keeping a close eye ... and installed the new 2020 oil pump before ridding it also as an upgrade. He installed the breather kit himself and that seems to fix the issue. The shop was very honest and told me Harley as of yet did not have a fix. Also, that's why if you idle it on the side stand there may be some extra oil collect in the sump. Recently a local Norton owner installed an oil pressure gauge on his Commando only to find the readings were 40 p.s.i. I think it is because oil is seeping past the check valve ball in the oil pump and into the crankcase. He had to relocate it a couple of time. Harley needs to step up and take care of this issue at no cost to the customers that bought these bikes!!!!!!!!!!!!!!! hot. First two positions were either too high or had too much hose. Of course, a transmission with low or no oil will certainly fail and need to be repaired or completely replaced. cold and 35-40 p.s.i. Another factory fix is a vent on the primary, so far the vent looks promising and word is the new bikes are coming with it. Loss of top end power, bike couldn't get out of its own way, eventually started spitting oil out through the air cleaner. Harley Davidson Touring: How to Create Bypass Breathers Air cooled bikes like Harley big twins expand and contract with the heat soaking into the cylinders, much more so than a water cooler bike, or a car. You shouldn’t have the sumping issue because your 18 should have the superseded oil pump. Twin Cam Tear Down Part 2 | Twin Cam 107 | HARLEY SUMPING SYMPTOMS | Kevin Baxter - Pro TwinTwin Cam Series: 10 How to remove / replace camshafts from the cam support plate Big Bore or Rebuild Your Twin Cam For Cheap AMSOIL Tech Tips: Harley Davidson Motorcycle … It’s been two years and some problems have bubbled up to HD attention. This may be root of some folks sumping issues. If replacing This is good but hot. oil sumping on a sportster - Harley Davidson Motorcycles question To begin with, the capacity of your Sporty's oil tank is 3 quarts, not 3 liters. Here, Kevin Cameron notes several solutions and how they worked. The repair is expected to take about a half-hour. The shorter one of the 2 houses the check ball.Now when you release the screw do not lose the spring that is under there. Harley oil transfer is when oil moves over from the transmission into the primary case. Also, early Harleys didn't even have a recirculating oil system. They offered to do the fluids at no cost when I found the trans low until a fix was in. When I had wet sumping problems, it really only showed up after I'd been riding at 2500-3000 RPM for a while. Harley changed the oil pump in their 1999 and later Twin Cam engines because of this. Harley expects to start the recall, including … The Harley-Davidson name is as synonymous with motorcycles as … I’ve been doing all of my basic maintenance on my 08 Electra Glide Classic thanks to your videos. - Answered by a verified Motorcycle Mechanic changing the ignition does not affect breather timing. 1999 harley softtail evo motor dumping oil out of crankcase vent. 68-99 Oil Pump Check Valve Repair Techincal Information From 1968 to 1999 the oil pumps are all pretty much the same in respect to the check valve. In 1999, God, by his grace, chose to save an undeserving wretch like me. Wet sumping is when oil fills the crankcase of a dry sump system. Sadly there are now a couple 19 CVOs that have sumped I have read. Harley-Davidson Milwaukee 8 Engine Problems! If you notice any fluid leaking from your Harley, you must promptly get it fixed. Wet sumping aside, a case might be made for periodic gear lapping just to maintain proper oil pressure. 7 Harley-Davidson Motorcycles To Avoid Like The Plague (12 Worth Every Dollar) No one can deny the quality of Harley Davidson bikes, but that doesn't mean the company hasn't produced a few duds. Sorry for the pun but I’ve been reading about oil sumping in the new Harley Milwaukee 8 engines. cold and 8-10 p.s.i. The check valve is used to keep the oil in the oil tank when the engine isn't running. Shown is a stock Twin Cam cam support plate with the pressure relief valve, relief spring and roll pin removed. On the other hand, “sit sumping,” as I call it these days, is an indicator that Harley-Davidson has done some shabby design work when it comes to allowing oil that is supposed to remain where it’s put to migrate to places it has no business being! When the oil settles in the bottom end, we call it "oil sumping". Many schemes have been employed to overcome wet-sumping. Lots of outrage from owners and denial from the MoCo. I upgraded my oil pump plugs with a set of aftermarket ones back in the spring and all was fine until I had to park the bike for the entire month of July due to rain almost every day (that’s right, I don’t ride in the rain if I don’t have to). It reminds me of the internet chatter over the twin cam chain tension shoe era. I have a 2018 Tri Glide and having the same problem with trans oil going into the primary. The local dealership could not fix, so Harley flies down their lead regional tech. has 26,000 miles now and no transfer or sumping. Bikers are loving the torc they are feeling riding the new 107-engine the Milwaukee 8 have. When the motor is started is expells the oil out the Fort Lauderdale, Florida USA Admin! The check valve in the oil pump is a ball and spring, item 11 and 12 on this diagram. If you look at the oil pump there are two towers with big screws on the top of them. He spends two days on it consulting with Milwaukee and making some modifications. After some test runs, they have the oil I noticed today that I have some oil dripping from my Harley air cleaner housing onto the right side of the motor. Early Harley-Davidson engines, like the 1911 F-Head, didn't bother recirculating oil. I have been a Harley Davidson mechanic/ machinist for over 30 years and own my own porting/engine rebuilding business. Diagnosis, oil transferring from transmission to primary. Clearly Harley is aware of the oil sumping issue, which is why they re-designed the oil pump for the 2020 models and factory install it. 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