Harley m8 motor problems. i'm a big fan of the twin cam 103 ho engine too.

Harley m8 motor problems These can range from simple issues like faulty spark plugs or wires to more serious issues like shorts No bashing please, just wanting to know how the 2017 launched Milwaukee 8 engine is doing three years into the product life. Oil Pump. So if you have an M8 with a noisy engine try adjusting your pushrods before you throw money at it. I'm kicking around looking for a used Harley Davidson and want to know if there are any particular issues to be aware of with the M8 motor. 1. Screenshot_20191029 Jeeez, inspect or replace lifters at 10K miles? What kind of sick fk would build a stage 4 motor with HD lifters? Always use premium lifters and adjustable pushrods to get clearances dead nuts on. Blew trans to peices in 8k and replaced with Baker. i begged for the 131 and was willing to pay the difference but M8 117 motor issues. At 21K miles when the motor was built in my 2019 we used the 2020 8 lobe Harley pump and I have ad zero issues. " I posted actual temp readings--more than 350 degrees after highway cruising on a 70-degree day. 60k au $ bike in garage and I cant ride for more then 50ks. So there’s that. I've built many drag cars and understand to a point. As for provenance (for the autspergers who care) S&S has a far superior performance record to the MoCo and is older (1958) than most active Harley owners. I use valvoline everywhere except primary there I use harley primary and transmision. After some research I found someone suggested to load the lifters to . Strap in; it’s going to be a thrilling ride! Table of Contents. Smooth accel, cruising speeds above 2200 feels great. Specifically, when I accelerate quickly, it stumbles, like the engine hesitates to The main causes of self destruction on the old pumps are electrical in the circuitry and mechanical in the rotor drive. The oil pump, seen on the right, is the point of failure seen in Troubleshooting and Fix for Harley 114 engine problems Even after so many updates, the Milwaukee Eight, commonly known as the M8 engine, has several issues, according to Harley 114 owners. News: For advertising inquiries or help with registration or other issues, you may contact us by email at help@harleytechtalk. There are several places that can cause top end ticks on the Twin Cam, EVO, and Sportster Motor. you also have a primary case vent tube. Apr 22, 2008 #5 If you have a Harley Davidson Touring Bike (Street Glide, Road Glide, Ultra, etc. How many miles on your 131 crate motor? Leimy on Nov 26, 2024. Not sure what the "problem" could be since a cam is a pretty simple device. No more memes, t shirt 2018 M8 Road Glide idling problem Jump to Latest 4. 5ci The Milwaukee 8 engine, an innovative creation by Harley-Davidson, boasts an impressive lifespan owing to its historic developments. Grolli; May 16, 2022; 2. The M8 being single cam does seem to bounce a bit more when EITMS is active. Visit our web 2018 Road Glide Ultra M8 - 107 Stock motor until last weekend, when I switched to the Screamin Eagle Wedge Air Cleaner, Screamin Eagle Street Cannons and Fuel Pack FP3. Excessive oil consumption is the most common issue that is faced by many owners. This Article Explains: “The 7 Most-Common Problems with Harley Davidson 96 Cubic Inch & Harley If this does not solve the problem I will be demanding a new motor. haven't seen one or heard of one and I run with a lot of Harley ownersmany on new M8's. With its 122 horsepower and over 130 lb-ft of torque, the engine is a real machine in the world of motorcycles. You will be sitting on a blast furnace, and the only way to cool the motor down will be a warranty voiding aftermarket tuner If you want a 130+ cubic inch motor with reliability, they can be built, but "you will pay" for it. 0 Members and 1 Guest are viewing this topic. I read that there have been some leakage problems with the earlier design. just need a couple of upgrades on the pre late 2019 engines. The engine’s inception traces back to 2016 when Harley launched it as a replacement for the Twin Latest info as far as I can ascertain, Harley has fixed the M8 engine problems in late 1999 and the 20's and 21's won't supposedly be affected. Log in; 114 M8 with S&S 475 cam with stock exhaust . It opens up the port instead of blocking most of Wondering if you have a sumping problem? In this video I show you a quick and easy check and give you guidelines on how to interpret your findings. Anything and everything related to Harley-Davidson motorcycles and the people who ride them. Sputtering is when the engine starts to misfire, causing it to run rough and feel like it is hesitating or stumbling. I sent him a personal message with no reply. I recommend anyone thinking they have this problem install the shorty oil plug by fueling. 1996 FXDS-CONV S&S E. 5 turns and now the noise is completely gone. I am about to have my 3rd 131 kit and bottom end installed under warranty on my '21 LRS, which is only 10 weeks old. Not when u get on it thoughit’s all Harley. 8. 2,160. Excessive Oil Consumption. What adds to the intrigue is that this problem arose after I had been riding in conditions of heightened humidity and light drizzle. Shown in blue are the water passages on Replacing M8 stock plastic intake manifold with SE or S&S 55mm intake for stage . 0 Reply. And to think I traded in a perfectly good 2005 My m8 has 75k on those stock rockers, 20k on the stock 117, the rest on a 124 mild build. Technical Discussion Forums Harley Eitms Problems. This is a 2020 streetgide stage 2 done by the local dealership. 2. part of the evolution of a new engine. So the ACRs or Automatic Compression Release valves (HD-18400073B) are merely solenoid No other problems. Thats cool. The winters are short and summers are hot,humid and long. This is what I found. This engine continues H-D's legacy of big V-Twin powerplants with a layout readily recognizable at a glance as a The 159ci Kit from Leading Edge V-Twin is unlike anything the custom motorcycle industry has seen before. 2020 M8 Engine Temp and Cylinder Head temp. 7) Engine reliability - the jury is out on this. I have a 2017 FLHTK with 10k miles. 6. Other Top End Noises. Join Community Harley Davidson Pan America Forum 4K members. According to HD headquarters, the acceptable amount of oil usage First few years of new engine for Harley always has issues. Further examination required about every part in the engine sans 2019 M8 114" - any problems? Harley shipped a new motor as this one was determined to be defective in many ways. When the engine oil aeration overheats, it can reduce See more The Milwaukee-Eight (M8) engine, introduced by Harley-Davidson in 2017, promised enhanced power, performance, and smoother riding experience. 2023 CVO Road Glide Whiskey Neat Some really exciting times are ahead I think for the M8 motor. Oil . Top Contributors this Month View All. 1978 Strokershovel Lowrider 100 inches. Inconsistent Oil Pump Performance. "The Harley Tax" for a reason. For those who are new to the Harley Here is a comprehensive list of the most common Harley 107 problems: Read next: Harley 107 vs 114. The problem with the world is that everyone is a few drinks behind. 2017 Harley-Davidson Milwaukee-Eight Engines Limited Low. I would have spent less money to just buy S&S engine. These issues can arise for various reasons, such as improper coolant levels, malfunctioning thermostats, or a faulty oil pump radiator. HarleyTechTalk Calculators If your thinking a crate motor for the warranty, then you will have to run the HD Street tuner. Harley compensator problems are particularly common in models with the 103 engine, making these compensator symptoms – specifically in the 103ci Twin Cam engine – the most prominent of the bunch. Replies: 26 2023 Harley-Davidson CVO 121 Cu. Yes the S&S oil pump took care of that. Regarding lifter cuffs, there's a lot of discussion about the plastic ones on the M8 but I have never heard any stories of failures. Jump to Latest 41 - 42 of 42 Posts. i have both I found my top motor mounting bolts loose yesterday for the second time. YES the twin cam sounded better at idle and low rpm’s and I had SE585 cam in it. One of the reasons for the M8 going to a single cam and fixed rocker shafts was to loose some mechanical noise. Attachments. For those who are new to the Harley No bashing please, just wanting to know how the 2017 launched Milwaukee 8 engine is doing three years into the product life. 9. Dec 11, 2024 08:15 AM by Oil sumping will result in excessive friction and power loss to your Harley M8 engine. The head guy said the stem of that valve was undersized compared to the rest of the valves. My engine is severely modified with ported heads and I take, larger injectors 590 cam, roller rockers, jokerXXX headed and 4. 5 people like this. He said that will cause a problem cause the bolts are steel and the heads are aluminum. Have any had problems with the Milwaukee 8 new engines losing power? the m8 is an awesome powerhouse of an engine. 6M views Welcome to our community. Despite these The most common Milwaukee 8 problems include issues with the crankshaft configuration, harmonic balancers, rattling engine noise, excessive engine vibration, poorly designed cam chain tensioners, clutch failure, gear oil Most-Common Engine Problems With Harley Davidson M8? 1. I. Got a friend who has a 2018 model and is complaining of high heat on his leg. He points out a number of areas where it differs from prior M8 powertrains. Related: > 12 Dreaded Harley 107 Problems > Is The Harley 114 A Good Engine? > Harley Milwaukee 8 Problems > The Worst Harley 117 Problems Get Fixed. Quote from: JSD on March 25, 2022, 09:35:28 PMChina knock offs are every where they just change a letter or number a bit. I talked to my mechanic and he said not to blue loctite them in like I was suggesting to do. This kind of heat will eventually cause cracks in the head (most 123K subscribers in the Harley community. 4th Harley for me, not the averge Harley Common Harley 131 Motor Problems. There are spot welded posts in the motor that vibrate apart and sludge can build up in the magnetic drive. Built from the bottom up in Milwaukee, this street-tuned 131-cubic-inch Screamin’ Eagle Harley 117 Engine Problems. The dealership changed all fluids and I was told to ride it for 1k miles. M8 engine pinging bad. 5. Not sure about the latest model, but the previous gen put out so much heat that Honda reversed the fan on the radiator to blow the air out the front of the radiator instead of toward Common Problems. It appears to have fixed the issue. As it aged though, the plastic components started falling apart. It is a symptom of a larger problem that needs to be addressed in order to keep your motorcycle running smoothly. I have new S&S Premium hydraulic lifters, retaining cuff, pump, and plate. 1974 Suzuki GT750 install the Fuel Moto m8 124" big bore kit, woods valve springs, barnett scorpion clutch, bigger throttle body and injectors, and the latest factory oil pump. Quite a few reports of early M8 engine problems (oiling). Harley Davidson Pan America Forum 4K members. Common Harley 114 Engine Problems. Welcome to HarleyTechTalk. Started by klammer76, October 04, 2021, 01:44:16 PM. Come join the More Crankshaft Problems Harley M8 and Twin Cam. the cam upgrade got you the better cam bearing and the new lifters replaced the substandard made in mexico ones. oil cooled engine running no lower leg fairings with a basic dealer stage one (Screaming eagle Street Cannon mufflers, Screaming Eagle air cleaner, and dealer tune) was 50 degrees F. Why do you thing they are going with oil cooled heads , lower idle , water cooling. Sep 12, 2024 04:02 PM by RiggerWings. 5 mufflers. the single cam is Not every early motor had the issue. When it's warmed up, (normal temperature of operating -- After 15/20 Mins), in light traffic for example. * * * m8 oil migration problem Mine transferred 1/2 half quart in about 4k miles. Transmission Vent. I pulled the filter at 7500 Spark knock is something we lived with on the twincams, but shouldn't be an issue on the M8. Just about to buy my first HD, a Road King. F A forum community dedicated to all Harley-Davidson model owners and enthusiasts. The Milwaukee-Eight engine is considered to be a more powerful and improved version of the Twin Cam engine. I would think Harley will have a 135 kit for this like the have the 131 for the 117. Show Less . Jump to Latest So Harley takes my bike in, loosened and retorqued motor mounts, still there. Quote from: motorplex88 on May 01, 2019, 07:36:08 AM I would like to ask if anyone is de-catting the M-8 for the sole purpose of lowering the exhaust temps. Broken frame. The interesting part about the water pump which Harley has chosen for the M8 is that it is German. . My '17 M8 had oil transfer issues. Well, I M8 Engine Realibility. I have been using this in my 09 fat boy with no issues. Can Tensioners Cause Harley Engine Noise? Faulty tensioners may result in increased engine noise, especially a rattling or knocking sound, indicating a loose or overtightened primary chain. going in for 20k service and this isse see what happens, waiting for the fucking or bullshit answers. I had a 2019 Softail Slim that had too much clearance between an intake valve stem and the guide, and it was a smoker with only 60 miles. Most Possible Solutions? What Are The Symptoms And Causes Of A Failing Harley Engine? Engine Oil Consumption. 98 Evo 83. Despite its impressive performance, the Harley 131 engine is not without its problems. I work average 56 hours a week so it’s taken me a while to get back into it. Also, if a dealer/mechanic told you it's M8 Engine Vibration. winter months vr1 20w50 oil,75-90 trans. Own a 2019 RK Special and it's the finest Harley I've ever owned, last being a 2015 King Standard 103. 140-. Previous topic - Next topic. 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. It appears that my throttle is remaining slightly open at idle/cruising, resulting in higher-than-normal RPMs. I eventually was successfully able to argue with the dealer and had my engine vented under warranty. I think M8 engine noise is less than 103. In, Started by Ohio HD. The General Tech Harley Davidson. A forum community dedicated to all 1. I have a lovely new 114 M8 with a plastic manifold, that we will be taking to some very warm (bastard hot) climates. The Real NGK iridiums are Great. Lucas Oil & Stabilizer. This is a pretty big power build, 163 HP ands 167 Torque. Have engine vibration in your Twin Cam or Milwaukee 8 Harley Engine? This could be the cause. See lots of articles and video talking heads discussing common problems with the M-8 engine. stock harley lifters That 1800cc engine puts out quite a lot of heat. 150. Engine to transmission mounting bolts loose. Another common issue with Harley motorcycles is electrical problems in the engine. The intent is to lower engine temp and cool down the oil, which prolongs the engine life and has a residual benefit to the rider and passenger. I have put a screaming eagle 95-in kit on it with a 6speed. Some of the common issues faced by riders include: Hard Starting. January 12, 2025, 06:15:04 AM. be One of the most notorious common problems with Harley Davidson motorcycles is the faulty cam chain system installed in multiple models throughout the 90s and 2000s. 1 2 3. Log in; Sign up; HarleyTechTalk. oil pump, inner cam bearing (was upgraded), chain tensioner? No real clatter other than normal intake reversionShould I be concerned? First M8sounds like a cheap super charger. I have 17K hard rode miles on it without a hiccup. Harley 131 upgrade problems. Failing that I will be taking back my 2014 CVO Limited that they now have on the showroom floor. I’ll admit I’m just a driveway mechanic but I enjoy it. I guess specifically I'm seeing folks writing about the milwaukee eight engine, for example - The Most Notorious Milwaukee 8 Problems Rounded Up (2024). 10K CVO Member; Offline; Posts: 14216 and Harley has not addressed them on the M8 just as they never really addressed the issues on the TC110's. Stay away from the new engine until this gets solved. To get No. Home. 2020 M8 Engine Temp and Cylinder Head temp . These engines differ from the traditional DEI Tank Insulation: Cooling Milwaukee 8 Engines Review. Previous was 2014 street glide 103 twin cam. It's an interesting watch. These motors share the same Rocker arm, shaft and In the car world a "crate" engine is just a complete engine ready to install. I just did mine. Before. Come join the discussion about performance, modifications, troubleshooting, builds, maintenance, classifieds and more! Show Less . The EITMS is designed to reduce the engine temperature when the motorcycle is idle or operating in high ambient temperatures, but its implementation has not been without problems. Ilike everything about it over the 103 but I also liked the 103. But then again, lots of complaints about 110 lifter issues. Members Online • LMGDiVa I believe the throttle body is only off set due to the need for clearance to the etc motor with the larger cylinder fins on the m8 vs tc, a slightly off set throttle body shouldn’t have any bearing on performance. It's the nature of manufacturing complex equipment for widely varied users and environments. Main Menu. Ignition timing incorrect/poorly tuned engine. As someone deeply entrenched Harley-Davidson's New 121ci CVO Engine Has VVT Another new image of Harley-Davidson's 2023 CVO Road Glide reveals more secrets, such as variable valve timing (VVT) and a new transmission. The compensator . The first, a 'Standard' with a 107 engine, was repurchased by HD due to an engine noise that was The Harley 131 engine is a legend. Piston Oiler. So, now I’m thinking about what else might be wrong, or whether the new M8 engine has some serious design flaws (wouldn’t be the first time for the MoCo). Hopefully didn’t just jinx myself! LOL Harley 131 upgrade problems. Nothing is wrong with your bike tune the bike , ditch the stock exhaust, and get a free flowing intake. Those used to only come from OEMs but a crate is a crate and colloquial meaning change over time. 1K views 8 replies 8 participants last post by Dylan_childs12 Oct 19, 2024 When I first bought my dyna I had the same problem, but I thought it was heat coming off the jugs. 2015 Electra Glide Ultra Classic 2017 BMW R1200 RT USAF Veteran Central Texas PGR. Pages 1 2 All. This kit can deliver your Milwaukee Eight powered motorcycle 200+ horsepower and 210+ ft-lb of torque This performance kit increases your Harley-Davidson M8 engine’s torque and horsepower by install the Fuel Moto m8 124" big bore kit, woods valve springs, barnett scorpion clutch, bigger throttle body and injectors, and the latest factory oil pump. The M8 is neighborhood quiet at low rpm and soft throttle. This kit can deliver your Milwaukee Eight powered motorcycle 200+ horsepower and 210+ ft-lb of torque This performance kit Harley-Davidson models with the Milwaukee-Eight (M8) motor, specifically models before the 2020 updates, experienced oil sumping issues. I forgot to ask if I could use lock washers to hold them instead. As part of Make sure that the tuner you choose aligns with your engine specs and power needs, especially if you have an M8 114 engine. 7. 2015 / 2016 I'm reaching out to discuss a rather puzzling issue I've encountered with my Harley M8. They all have those noisy engines I like but the new M8 doesn't sound like the ol harley. Oil pump especially seems pretty significant, but there are heaps of others I had a bmw car that seemed to have more plastic than steel in the engine bay, and while it was young, everything was fine. Reflect-A-Cool™, constructed of fiberglass material backed with a layer of aluminized reflective foil to handle direct continuous temperature of 400°F has Harley M8 compression release failure. I But, like any Harley enthusiast, I am also all too familiar with the mechanical problems that can arise, particularly the dreaded Harley automatic compression release (ACR) problems. Compromised and The new 114 M8 is the BEST motor Harley ever madeperiod. Having same problem at 21,000 and use amsoil and have in all my bikes for the past 29 years with no problems, talked to one dealer and they said go back to standard harley oil syn no good, talked to harley directly they said no issues with syn. or less was OK, NOT Sumping). This is Most riders experience this problem when riding hard above 3000 to 3500 rpms i had the problem with my 17 Road Glide i traded out for a Ultra Classic just couldn’t get use to the Road Glide no problems with my new bike Put it back together,adjusted the pushrods (3. Go. I have a 2017 Street Glide. Engine Electrical System Problems. But you are often at that RPM when slowing down. This can be caused by a variety of factors, including fuel, air, spark, or engine problems. Only way it worked was to kill a chicken a month and pour a bottle of booster in the tank. Oil changes every 3000 mi. Is this possible? Also, how often do you guys check your m8 spark plugs. How do is fix this problem. And to think I traded in a perfectly good 2005 I have a Street Glide Special, 2021 M8 114. Forums. Harley shipped an entire new crated engine all under warranty. find your self a good low mileage harley and a good engine builder and save your Go over to the touring section for "New M8 engine runs VERY hot. Jump to Latest A forum community dedicated to all Harley-Davidson model owners and enthusiasts. @60-70 plus degrees out riding @0-80mph my temp stays around 276 / 289 or so over 70 to and upto 105 plus out riding same speeds my temp can reach @312-322 / 325-335 and higher up to 350-360 engine temp when idling for a bit. The Harley Milwaukee 8 engine has been popular to experience overheating and cooling system problems. Considering the only hd part left is the cases. 4. ) equipped with the Milwaukee 8 (M8) engine, you may have experienced cold start issues anywhere below 50 degrees Fahrenheit. Top Contributors this Month View All Engine, Drive train only- Technical Posts Only, No parts sourcing. Now my new 21 cvo I have a 2018 M8 107 on a Road Glide Special. Im not Milwaukee Eight (M8) - Harley Davidson Milwaukee Eight M8 Air and Liquid Cooled 2017+ model bike discussion, how-tos, and technical help. I hope they have fixed the issues because a lot of we Harley people have become What is this about the new M8 engine's just quitting? I have had two owners tell me that their engines just up and quit. The Milwaukee 8 engine, also affectionately known as the M8, debuted in 2017 as Harley-Davidson’s ninth Sorry to hear about Your engine problem but glad to hear it was covered and repaired under Warranty. ALSO if ya haven't registered your new M8 at the H-D website I suggest ya do so. US Navy Veteran 1974-1979 (AD2), FAA A&P Mechanic since 1980, 1989 FLSTC, 2016 FLHR, 2019 FLHT, 2022 FLHTCTGU A forum community dedicated to all Harley-Davidson model owners Quote from: rbabos on March 11, 2020, 04:25:24 PM Quote from: Pirsch Fire Wagon on March 11, 2020, 02:51:54 PM We did the math on the filter the other day - it's like a 13% increase in volume / media. Main Menu Home; In Service Bulletion M1450, it tells you or the Technician to get the motor hot, idle 1 minute Upright, Shut off motor, keep Upright, pull the Crankcase Position Sensor and catch and measure the oil that comes out of the Sump. You do not need to remove your rockers and pushrods on an M8 motor to do the bottom rocker box. HD dealer cant duplicate the problem and return bike Leave other riders in the dust with the biggest, most powerful street-compliant crate performance engine Harley-Davidson has ever created. Others have experienced unusual noises indicative of potential mechanical problems, Currently I own a 2001 Harley Davidson ultra classic. So. also run a good oil to help keep the oil temps down n motor cool, the cooler it runs the better the motor can fight off knock . The M8 seems to have the torque come on a little lower, so it feels more powerful. Removing Has anyone had a stock inner cam bearing fail on a M8 107 or an evo? ** At what mileage? I don`t think there has been a problem with inner cam bearings on the M8. Harley M8 transmission oil transfer problem; See More. 2K posts 1. Love the bike other than that. But it still comes with its share of problems and I will tell you more about them As a newcomer to the Harley Davidson world, I keep seeing articles on problems people experience with their bikes. After about an hour I would take a break to cool off my leg. troqed 40 Replies To follow up I finally have the motor back up and running. Let’s discuss some of the i have not heard or experienced a problem on the M8. The cure-all is a bore kit with custom fit pistons to your cylinders, the S&S or LATEST oil pump from HD, and a lot of attention to detail putting your engine back together. Upper engine mounting bracket loose. As far as I know, the oil pump was addressed, not sure what year though? I have a 2022 with the 117" and it's had no Is Harley Davidson Milwaukee 8 is a really good engine? We've analyzed its flaws and are now ready to tell you everything we could find out. Logged grc. Harley-Davidson addressed the problem by redesigning the oil pump starting I am getting ready to do the cam upgrade on the M8. Specifically, when I accelerate quickly, it stumbles, like the engine hesitates to Quote from: hulkss on February 11, 2023, 12:50:17 PMMy guess is that the balancer shaft and piston jets are now optimized for 114 and 117 engines as the 107 is only in the Softail Standard now. Jul 30, 2020 184 99 Spokane, WA Name Chuck I never had any problems with it, tho I did infrared my heads and cylinders and my reading was lower than the Having my first Harley was a thrill but also a learning curve. Just wanting to hear of any success stories with miles ridden with similar builds. This oil is fine for your harley. Up to 6 ounces is OK and not Sumping, over 6 ounces is Sumping (originally Harley said 3 oz. The M8 does not run quite as hot as the TC in my opinion. Never had a problem with the 107 and Engine. Screaming Eagle ignition,V&H Short shots. I've been thinking of upgrading to a M8 engine Harley but can't decide which the placement to get or stay with the Electra glide or go with a road glide. Whether you go with water cooling or oil, the new Milwaukee 8 or the Rushmore Twin Cam, special passages around the exhaust valves help keep the hottest part of the motor cool. Heres screen shot of other forum, this is what my bike is doing. One of the most frequently reported issues with the Harley 107 engine is Harley Milwaukee 8 transmission problems! In this episode, the customer was having issues with shifting after doing a hard pull and hearing a 'pop' on his 13 I have yet to see a Softail sump, the ones I have seen hardly have any oil in the sump, just a few ounces. Thread starter windsurfed; Start date Jul 28, 2021; windsurfed 150+ Posts. The M8 has pezio knock sensors as opposed to the twincams ion sensing voodoo system. Problem started at 4,000 miles Motor dies at low speeds or coming to a stop most of the time when clutch lever is pulled in, Bike starts right up then RPM will fluctuate from 1100 to 500 for about 5-7 sec and then clear up, No codes. Anyone with a Milwaukee 114 engine and knows what rpm the engine spins at say 70 or Break in in the M8. Had a headlight go out in AZ. I adjusted the pushrods to 4. It's making me wonder. This article discusses the most common Milwaukee 8 engine problems. Started by pauly. Take into account the installation process on your Harley M8, aiming for a straightforward setup The left engine case was damaged necessitating replacement of both engine cases which required a considerable wait for a blank case to be shipped. First HUNDRED Miles, heat cycle it Up and Down in the RPMs and try to never hold it at a constant - Regarding a Harley Motor - Take it to 4500 RPM and then back down to 2000 RPM and back up Brace yourself for an in-depth exploration of the Harley 114 engine problems and the facets that make it shine. The M8's solid mounted rocker shafts made the switch to pezio sensors possible. Save Share Reply Quote Like. There was a thread on here about this as many of us M8 folks were concerned - If memory serves, the "transfer of fluids" seems to only take place when spending time in the high Revs (over 4. On a M8 there are no pins for anti-rotation of lifters, the cuff is what prevents rotation. Spring vr1 straight 50wt oil,75-90 trans. Jerry. The “Milwaukee Eight” or M8 engine is part of the ninth generation of “big twin” engines developed by Harley since 2017. The bike runs like when I bought it. Road M8 Only is the world’s largest online group to discuss all things m8 related. It's tricky but you'll need to rotate the motor so that the rocker arms move into a position that allows the IMO, it's a new in warranty Harley so don't futz with it because it's the dealers problem to solve. HarleyTechTalk Calculators 1999 road king with 88 cu in engine with 80k on it and its time for major over haul, question will a 96 engine bolt right in it place and work? 2004 Dyna Lowrider Harley Heavy Breather,Stage 1,Screaming Eagle mufflers. Reactions: dbell66253, ToMang07, Zedbra A forum community dedicated to all Harley-Davidson Road Glide owners and enthusiasts. With the heads off I also installed S&S rocker arm shafts and head bolts. 5 turns) and still had the same noise. Replies: 44 Views: 14,634. 2002UltraClassic Member. Users have reported that the That's not just a M8 problem, or even a Harley Davidson problem. Harley 114 Engine Problems. The engine’s propensity to run hot, especially in traffic and during summer, leads to performance It currently has the 117 stage IV upgrade and everything except the exhaust has been done by Harley with Harley parts. When the engine is put together if a bunch of components are all at the very outer ranges of their tolerances the engine may wet sump. Thread starter Hughey79; Start date Apr 22, 2008; 1; 2; Next. rootintootin 55 Replies. Next Last I don't think that the aeration in the oil is a desirable thing myself especially if it were in the engine oil as opposed to the trans oil. Engine Mechanical I have a Street Glide Special, 2021 M8 114. Removed as much carbon as possible and the motor seems to be fine. Milwaukee Eight (M8) - Harley Davidson Milwaukee Eight M8 Air and Liquid Cooled 2017+ model bike discussion, how-tos, and technical help. Internal engine problem. Of course there are those that have never experienced those problems Now I do not know how much a dealer tune will affect the air fuel ratio with the limits that are now imposed on Harley Davidson but I can tell you that a 2017 Street Glide 107 C. I am at 11000 miles and I still have a bad noise on any hard acceleration. Now that we’ve laid the groundwork, let’s get to the heart of today’s article—common problems you might face with the Harley Davidson 103 engine and how to solve them. i'm a big fan of the twin cam 103 ho engine too. Just wanting to hear of any success Isn't that the same stroke as the 135" motor Harley has? So 135" should be no problem. Harley Davidson Throttle Sorry all i was trying to put across what i think is a M8 future problem. MoCo knows of the manufacturing defect. you have the new oil pump. At about 300 miles I checked the transmission level and So but question is, looking at the picture provided, is this normal for a M8 motor? F1 & R1 are the same (looks like its running lean), and F2 & R2 are the same (rich?). M8 problems (1 2 3 Last Page) hardheaded on Aug 28, 2016. I was unhappy to be Labeled a RUB by The pink pig. To this day HD claims the M8 motors letting go are "anomalies" not part of a bigger issue. Come join the discussion about performance, modifications Harley Tri Glide . 10. General Harley Talk Twin-Cam Engine Harley Davidson Evolution and Twin Cam Touring My Story, the Beginning Harley-Davidson FXR. These problems largely revolve around heat management, excessive noise, and oil consumption. 3. I have a question and I am hoping many Harley riders chime in. 44 26K May 12, 2023 Milwaukee Eight Engine. The Cam System stocks plastic “shoes” designed to The 9 biggest engine problems with Harley Davidson 88, 107, 110 & 114 Are: • Inadequate Cam Chain Tensioners • Unreliable Crankshaft • Oil Pump Issues 110, and 114, the M8 engine of 114 is definitely Harley’s The 159ci Kit from Leading Edge V-Twin is unlike anything the custom motorcycle industry has seen before. I believe later models had some type of I'm sure people have had problems, no new engine, or even long production one, is totally trouble-free. One of the major flaws of the Milwaukee 8 is the oil pump used from This article aims to unravel these Milwaukee 8 problems, offering you an in-depth Harley Milwaukee 8 review. However, Milwaukee-Eight (M8) engines The Harley-Davidson Milwaukee-Eight engine is the ninth generation of "big twin" engines developed by the company, but only Harley's fourth all-new Big Twin in 80 years, first introduced in 2016. Also, I managed to resolve all previous noise issues No problems motor wise. We changed springs at 20k, light head cleanup, fairly mild cam (TTS 200] Valvetrain is pretty quiet. The Harley 131 engine The first year of anything always has issues and Harley's Milwaukee 8 definitely had one. Thanks Isn't that the same stroke as the 135" motor Harley has? So 135" should be no problem. Along with all arp hardware holding it together. Oil pressure, codes, responseall normal - just this noise. Everything is on insane lead times right now. https://youtu. I bought it used and didn't know anything about the maintenance That being said, the M8 has a mechanical oil pump and of course air cooling and after having road the bike nearly 600 miles in sub-40-degree temperatures pumpless and then having installed the pump and rode more. 5K) for long periods of time - I too was concerned as I run my bike hard and was told when I had my 5K done that all was fine with the levels - I shift now This is the first video tear-down that I've seen of the 121 CI VVT engine (and transmission). And yes it has the dreaded magnelli EFI system but honestly it runs pretty well. Source: I work in manufacturing Reply reply the M8 is just a smoother engine and that comes through with a bit more lack Was there ever a change made by Harley to address the loose piston oiler problem? If so what was the change and when did it come into effect? I just did a spot check on a couple of models microfiche and it appears that harley changed the piston oiler gasket in 2018 to part # 25700433 and the number for piston oiler gasket in 2017 was part Problem is not serious enough to present a safety issue, so no recall is extended - Updated parts not available so engineers begin to look at using a new pump for the M8 and retrofit parts for the Twins. Stabilizer links worn or loose. The piston jets also have a new gasket. It can be a concerning issue for riders, resulting in an unexpected reduction in oil levels that may lead to engine Harley-Davidson revealed its brand-new Milwaukee-Eight engine family back in 2016. com. has not given me any problems I will say I was pumped to get the new 131 engine from Harley I've had nothing but problems and haven't even rode it yet I think i made a mistake Ah the dreaded ACRs for the Harley Davidson Milwaukee Eight enginesthe removal after testing is not an easy proposition. 1 of 2 Go to page. Some riders have reported overheating problems, particularly during extended rides or in high-temperature conditions. The head gasket was the problem as my oil leak is gone. Interested in yea you are ok. Cold Starting. here is where the confusion comes from Discussion Starter • #1 • 7 hours ago I am now on my 2nd 2019 Street Glide. The bike runs hard and great. This is a motorcycle group, not a dating site. This is my regimen. I ride other bikes in my garage as well. Logged Jerry A hotter engine exhausts better emissions but causes more friction and wear. skafcwir wlnzgp zsislh mvqrcr pcau jxs gblmqse bkhnsfm hvtr hlq