Posted In Evo Classic Models. PissedConsumer1772846 Nov 05, 2019 #1772846 @PissedConsumer1634514. Oil level too high - run oil level no more than 3/4 - 7/8 full cold, check oil level per owner's manual ; Sub seal of oil pump mis aligned with the scavenge port hole of the engine case. The A1 Ventilator will allow your engine to breath more than any of the competition. The kit includes all of the necessary gaskets and o-rings for the cam chest, as well as the rocker boxes. He ment dry sump Doc, a victim of autocorrect I have no doubt. The A1 Ventilator will allow your engine to breath more than any of the competition. Wet Sumping Explained - Harley Davidson Community . Clever man. 1,632 48 19. As some of you know the new M8 bikes with the hydraulic clutch and some of the twin cams are experiencing oil transfer from the transmission into the primary side. Official Website: https://www.lawabidingbiker.com There is an ongoing oil sumping issue with some Harley-Davidson motorcycles equipped with the 2017-2019 Milwaukee-Eight motor and you should definitely be aware of so you know if your bike is affected. 4) remove hex grub screw under crankcase on RHS of bike. GLOSS BLACK M3 Harley Davidson m8 Street Oil Dipstick Ventilator a1 tour flh hd The Milwaukee 8 and Newer Twin Cam engines have a know sumping issue. Posted In Oil and Oil Related Topics. #28. November 3, 2019 at 4:14 pm. Check every 4000km and before every dealer service. Harley-Davidson stated that this could get fixed with regular braking fluid flushes and replacing the fluid every two years. Reply. Trending Topics . I think you guys are talking about two different things. The M8 cases are much smaller and the oil feed, scavenge return and breather hole are all vertically stacked together in a composite gasket between cases and box. Just like the person responding above, Dealer said it's not an issue. Its design was inspired by a drag bike and the handling is similar to the same machines. Mine continually sumped for the first 10,000kms, although not severely, I would just back off and by the next morning or after a few beers she would be right to go again,then I went the stage 4 with the S&S oil pump and cam plate, 12,000kms now on the build and not looked like sumping so I guess that S&S pump is doing something right in there. HD … Let's face it, most UK bikes won't have significant mileage & will have been well treated/serviced compared with the average Stateside. Click to share on Facebook (Opens in new window) Click to share on Twitter (Opens in new window) Click to share on Tumblr (Opens in new window) Click to share on LinkedIn (Opens in new window) The latter can be caused by the cooling process he described. A1/M3 Ventilator. You'd have to be pretty ham-fisted to bugger up the crankcase bleed screw. The S&S pump doesn't 'fix' the problem, it is just so strong and well-built/designed that it forces the motor to do the right thing. The symptoms of this is typically excessive smoking and oil coming out the engine breather tube. Powdercoated Wrinkle Black. Message DK Custom Products. View Profile View Forum Posts View Blog Entries Visit Homepage View Articles Sponsor TrikeTalk Sponsor. Did you see the photos and vid of the fault in the M8 lifter bore? Something akin to wet-sumping occurred when the AMA in the 1980s created a spec roadracing class for the Harley-Davidson 883 Sportster. This transfer is through the tunnel where the clutch push rod goes through the main shaft in the transmission. Increased Horsepower. M8 tour only . It is indeed the breathing system. 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. nice to ride in a straight line. A Bonnier Corporation Company. drains from the sump then there is a wet sumping issue. Richard Garnett says. Cheers Mickle. Bet enough people were demolishing these things Harley would move quick to solve the issue. DK Custom Products . (I may or may not have had an expensive big brand computer that a certain manufacturer would not acknowledge cooling issues with, it may or may not have a catastrophic overheat and COMPLETE meltdown.. Joined: Jul 22, 2007 Oddometer: 317 Location: WI. Hey Nutty what's your thoughts on the vent in the dipstick, as I said I no longer have sumping issues so maybe I should leave things be. Posted In Milwaukee Eight (M8) Sumping issue wtf is that. I've been reading the sky is falling threads about the M8 fluid migration and sumping issues on another forum but wanted to get some opinions from more level headed folks so I'll post my questions here. M8 Cam Install Kit. Tman (TR) just came out with his fix for the sumping issue with a scraper that requires the cases to be split and machined to accept his fix...now the MoCo has came out with a $25.00 seal to fix it...and they are not willing to go back to fix the other M8… Transfer is the transmission fluid being siphoned over to the primary. Hammerdown77, Oct 13, 2020 #64. Harley Hand Adjustable Shocks 13" Posted In Stock Harley Take Offs. The Milwaukee 8 and Newer Twin Cam engines have a know sumping issue. In most cases when Stage 1 upgrades are complete, our next go-to solution is an immediate cam upgrade and here's why: 1. September 17, 2019 at 9:01 am. All rights reserved. M3 Ventilator AND M8 Clutch Push Rod. For those that haven't heard, there is a sumping issue that has an actual fix, and is being covered by warranty, so that's not a real issue now. I don't have an M8 but I thought I read that you could do that rather than risk damaging the threads in the case. Fair bit of chatter on the US sites about venting thru  the dipstick as well as the heads, wots your thoughts on that? 1) start the bike and do a short warm-up ride. Tools: hex keys, measured 1 litre container, oil-proof Loctite. If you experience a sudden loss of power while riding or the engine feels like it's getting really hot and fighting itself you are probably sumping, a right prick of a thing to happen, it is a some do most don't sort of gig. Someone like … Various fixes involve high-powered dual circuit scavenge pumps and auxiliary breathers. Nutty, good info and kudos for sharing mate, but can you explain what you mean by 'dry spring' please mate. I thought it had better Torque (stock as a rock & as it came off showroom floor ) than any stock twin cams or even non stock, was a much broader torque too. Could an easy fix be if you find you bike is sumping, put it in neutral and just redline the fucker until it blows itself to pieces then harley have to give you new motor? I've heard of this issue on earlier models, but I don't know about the M8. a friend gave me his new m8 to take for a good ride as far as I wanted. It’s regularly hailed as something different than an average bike. Does not come with braided line or an fittings. Measure oil and if more than 5oz. Are the 2018 engines experiencing the same oil transfer issue? … This is the perfect finish kit for the do it yourself builder looking to install one of our performance cams. Doc Harley has a good YT video on M8 sumping. Chopper Senior Member. That one was a major sumper. Dry-sump Harleys can’t really be hurt by sit sumping, but there are design differences that make the issue a bigger PITA than any Brit bike. CFMoto’s Small-displacement Models Getting A Facelift? Brake Problems. Both are oil pump related issues. Possible I guess if the oil pump/valves are worn or sticky, but not something that would detract from buying an M8.

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