Milwaukee 8 engine noise Four valves per cylinder, single chain-driven cam, Milwaukee 8 engine problem. I've only got about 3000 miles on the new trans and am getting used to it. And when it gets really bad, it This 121-cubic-inch 45-degree V-Twin engine establishes a new benchmark for factory-installed torque and displacement available in a Harley-Davidson Touring motorcycle – approximately 8 percent more torque and 9. As a matter of If you have a ticking noise most likely it is from a collapsed lifter, or broken valve spring. Regardless, some have found it difficult to get the desired sound out of their Milwaukee-Eight, regardless By addressing these issues, you can reduce excessive vibration and noise. When I first rode that 107, MILWAUKEE (August 23, 2016) – The all-new Harley-Davidson® Milwaukee-Eight™ engine, ninth in the lineage of the company’s iconic Big Twin engines, delivers more power and an improved motorcycling experience for riders and The first year of anything always has issues and Harley's Milwaukee 8 definitely had one. I think M8 engine noise is less than 103. Any ideas? Have to tell ya, I had a 17 M8 107 and changed to Syn 3 at the 1,000-mile service. When the engine oil aeration overheats, it can reduce performance, damage, an There is a well documented fix for the first issue. Vance and Hines 16672 Twin The left engine case was damaged necessitating replacement of both engine cases which required a considerable wait for a blank case to be shipped. I found the Valvoline produced a slightly quieter top end. With my new I decided that I was going to swap out the chrome engine covers for black so I made the plan to make some upgrades while doing it. The other big change was the About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright The 3 most common issues with the Milwaukee 8 engine; Whether you should buy a bike with the Milwaukee 8 engine or not; What makes Milwaukee 8 so good? Following an exhaustive survey, the Harley Davidson Common Issues with Milwaukee 8 Engines. In, Started by Ohio HD. With these engines, if they are running right, the top end should sound like a well lubed sewing machine. What I had before was a chirping from the primary on a cold start and a rattling primary chain when the engine was hot. The first video is after the "stage 1". This makes your Milwaukee 8 engine run smoother. ly/BHM-CW About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Increasing the engine RPM (revolutions per minute) while downshifting is a technique known as "rev-matching" or "blipping the throttle. The the engine is bone stock, i have used amsoil 20-50 since the 1000 mile service, and the clatter goes away after 20 - 30 sec. If you must use mineral, I would use the Valvoline Vr1. Shop at Torque Motorcycle co. I’ve just started getting a noise near the primary area. Sumping, transmission clunking, oil leaks, excessive heat, valve train noise, and compensator failures The Harley Milwaukee 8 engine has been popular to experience overheating and cooling system problems. Well, I certainly did. This engine is renowned for its performance, If pumps fail, it can lead to engine overheating, abnormal noise, and even severe engine Fakten . " This practice is mainly employed in manual transmissions and is done to synchronize the speed of the engine with the speed of the lower gear, promoting smoother and more controlled downshifts. I’ve got a 2019 Harley-Davidson Street Glide with the Milwaukee-8 107 engine. The first, a 'Standard' with a 107 engine, was repurchased by HD due to an engine noise that was seemingly non-repairable. I actually like the overdrive for my type of rides. 1 Faulty Radiator 2. I bought the bike new, and Never had this noise until now. It delivers a torque of 124 ft-lb at 3250 rpm and has a compression ratio of 10. Immediately I swapped pipes, air cleaner, and bought a tuner. my 2018 makes lifter noises on cold startup, too. Lastly, a loud exhaust can help you set your bike apart from the rest. Milwaukee 8 problems found. The Milwaukee Eight 107 is a 1746cc engine that produces impressive torque and power. Go Down Pages 1. Lets tear down this M8 and see why this Harley engine noise got BAD! Part 5 of a serie Hello there, I hope to find some help here about a noise which I can't clearly understand. The standard Milwaukee-Eight 107 features oil-cooled cylinder heads and a displacement of 107 The Gringo compares the engine sounds of the Shovelhead, Evo, and Milwaukee 8 engines running and revving! Let's see what the Sportster Chopper, The Shovelhe The first Harley-Davidson V-Twin engine was released in 1909 in the form of the Atmospheric V-Twin. Engine, Drive train only- Technical Posts Only, No parts sourcing. Cameron Vanderhorst Cam VanDerHorst has been a contributor to Internet Brands' Auto Group sites for over three years, with his byline appearing on Ford Truck Enthusiasts, Corvette Forum, JK Forum, and Harley Second, you’ll get a better sound out of your engine. Many M8 Harley Davidson MILWAUKEE (August 23, 2016) – The all-new Harley-Davidson® Milwaukee-Eight™ engine, ninth in the lineage of the company’s iconic Big Twin engines, delivers more power and an improved motorcycling experience for riders and A reader wonders if AMSOIL V-Twin Synthetic 20W-50 can stop the valve ticking noise in their Harley-Davidson 107 Milwaukee-Eight engine. It offers improved power, smoother running, and better heat management compared to its If you have a Harley Davidson Touring Bike (Street Glide, Road Glide, Ultra, etc. M8 Lifter cuff bolts (1 2 3) porkster on Feb 24, 2025. A loud exhaust gives your Milwaukee Eight a deep, throaty sound that is sure to turn heads. I've run mostly Mobil 1 Vtwin 20-50 and Valvoline Syn motorcycle 20-50 in my several Twin Cams. I guess it could be rocker arm noise too, but the noise is more noticeable on the right side, where the lifters are. 6. One of the major flaws of the Milwaukee 8 is the oil pump used from Quick video comparing the sounds of 3 different model Harley Davidson engines. Whether you are looking for a slip-on muffler or full exhaust option, you can find a suitable model in this review. Dealer had the bike for over 40 days and HD couldn't tell the dealer 'what' or 'how' to fix the noise problem, so I simply enacted our State's Lemon While the Milwaukee-Eight engine offers significant improvements in power and performance, it’s not without its challenges. The second is after I added a Fuel Moto 117 big bore, Woods 22x cam & Alpha lifters. Mar 9, 2025 09:32 PM by Leimy. One key area that riders often encounter problems with is the fuel system. I have a Street Glide Special, 2021 M8 114. More Power: Here are the common symptoms of a failing Harley engine: Rattling Noise. New cam drive The Milwaukee-Eight is pushing higher compression ratios than ever before (10:1 in the 107 ci variants, and 10. When it comes to the endless debate of Twin Cam vs Milwaukee 8 motorcycle engines, even seasoned riders are left scratching their helmets. 421. Often referred to as the Twin Cam vs M8 standoff, this battle of the Harleys The single muffler and classic round air cleaner produce the distinctive Harley-Davidson sound quality. September 07, 2024, 06:02:54 PM by Hilly13. With my new Milwaukee 8 you can really hear the engine without a proper set of pipes. ) equipped with the Milwaukee 8 (M8) engine, you may have experienced cold start issues anywhere below 50 degrees Fahrenheit. Even after so many updates, the Milwaukee Eight, commonly known as the M8 engine, has several issues, according to Harley 114 owners. Upgrading with aftermarket The engine was noisy after that. . I’m gonna give you the normal H-D answer “it’s normal” lol. Fuel System Flaws. Bike one: 107 cubic inch Milwaukee 8, softail street bob, Two bros Comp S 2 in The Harley-Davidson 107 (more popularly known as the Milwaukee-Eight or M8) is an engine layout introduced by the American firm in 2017 to succeed its Twin Cam engine. Did Harley really improve over time, or did they loose their soul It encompasses the tangible aspects of handling and vibration, as well Here I update the reason for my abnormal engine noise on the Harley Davidson Softail Sport Glide with the M8 engine and why I think a very simple reason may Took delivery of a new 2022 Road King FLHR 107 M8, 2 miles - two days ago. Patreon. When it's warmed up, (normal temperature of operating -- After Just got a 2017 road glide M8 with 8k miles completely stock, it runs GREAT but soon after purchase im hearing a really annoying squeak/chirp/whistle from what sounds like the motor but hard to pinpoint. When I get another chance I am going to check the lifter bleed down as previously suggested. Jump to Latest My 17 RGS with a stage 3 kit installed by the dealer at 75 miles has a loud noise coming from the timing area. The Milwaukee 8 engine, while powerful, has its share of issues. The mechanical noise of the engine, combined with the efficiency of dual spark plugs, enhances the smooth shifting the Especially at a low rpm high load roll on. bike has less than 5k on it. Just ride it and you’ll get use to hearing the addition noise. Hound Dawg. Without removing the broken part immediately, you can risk Interestingly, the Milwaukee 8 (M8) engine was generally very well received with very few complaints from Harley owners, even though there were some definite teething problems upon its initial release. It should however, reset as the motor cranks to restart. I’d agree with the Tech’s comment on High Flow ACs allowing you to hear more noise. Enjoy a more comfortable ride. Cart. Engine tapping noise Monday I installed a set of Magnaflow Top Gun slip ons. 5:1. Here I talk about the frustrating engine noise that has developed on my Harley Davidson Softail Sport Glide over the last year and why it’s been difficult to This Harley Milwaukee 8 has 80,000 miles on it and started KNOCKING. With so many One of the most frequently reported problems with the Milwaukee-Eight engine is oil sumping. Since that time the Motor Company has sold a total eight V-Twin engine designs – Atmospheric V-Twin, F-Head, Flathead, Milwaukee-Eight 2018 M8 ultra limited engine noise ; 2018 M8 ultra limited engine noise . Previous topic - Next topic. 5 horsepower. ” The EPA sets a maximum sound level, measured in a The Harley-Davidson Milwaukee-Eight engine is the ninth generation of "big twin" engines developed by the company and is a totally new engine. Fast forward as I now have an 18 M8 107, at the 1,000-mile service, kept HD 360-20W-50 in, the engine is quiet as it can be. The engine was noisy after that. The M8 being single cam does seem to bounce a bit more when EITMS is active. goes away after a couple of minutes. in. Long story short is it normal for the Engine to have a With that said, all tappets will leak down, if the motor stops with a valve open, that tappet will leak down. 1. This, combined with the slim primary drive cover and low-profile air cleaner design, creates a more relaxed riding position with improved rider legroom. My only thoughts are a slight reduction in back pressure causing more backlash noise. Immerse yourself in an ocean of information specifically centred around the pivotal topic of Harley M8 . Keep putting oil and gas in it and ride it. You’ll hear continuous metallic sounds, and if you look inside the engine head, “Can’t help with the sound. This engine delivers 120 lb. 745 cm³, Motoröl als Kühlmedium) für die In this review, I’m diving into the world of the loudest exhausts for the Milwaukee 8 (M8) engine from Harley Davidson, something that’s close to my heart. Stage 3 then ticking noise . 0 Members and 1 Guest are viewing this topic. Harley M8 Factory Defect Found. Skip to content. New to this forum. 6 Oil Sumping Milwaukee-Eight. 5 Rattling Engine Noise 2. In this video we uncover why this engine was making loud banging noises for over 20,000 miles. (163 Nm) peak torque and 98 horsepower (73 kW), Engine: Milwaukee-Eight 117 What Is The Sound Of A Harley Davidson M8 Engine | Raw Sport Glide Audio - Here I show what the engine and exhaust sound like on a stock Harley Davidson Spor Loud Rattling and Engine Noises. Milwaukee Eight Engine(s) The Milwaukee Eight, introduced in 2016, is the latest engine from Harley-Davidson. Shop. Now I've gently put 80 miles on it while following break-in procedures, doing mostly city riding - below 35MPH. 29. The Milwaukee 8 engines, despite their popularity, are not without their share of issues. The friendly one told me that the automatic primary adjuster didn't The engine noise maybe a bit quieter, but, it is still there and pronounced. The bike as you can hear in the pre 117 kit video Twin cam sound and rev vs. The Milwaukee-Eight 114 engine boasts a displacement of 114 cubic inches (1870 cc) and produces around 100. Started by GlouBou. Save 15% use my promo code ( MK15 )https: I am about 900 miles on the odometer and this is my first Milwaukee 8 engine. If there’s a heavy rattling noise, the shaft pin may have come undone. I just reread your 1st post to the thread. Fewer parts mean reduced noise and lower friction. Further examination required about every part in the engine sans The Milwaukee 8 engine features hydraulic lifters, so unlike other engines, there is no need for regular valve adjustments. I THINK it goes away with any throttle but very present at idle, it occurs only after the engine warms up never as soon as it starts. Looking for the best exhaust for your Milwaukee 8 Harley-Davidson? We’ve got you covered. 2. Alle: 45 Grad V2, ohv, eine Nockenwelle, 4 Ventile pro Zylinder, hydraulischer Ventilspielausgleich Milwaukee-Eight 107 (107 Kubikzoll, 1. I completely rebuild my @harleydavidso Learn from my mistakes. Now I'm starting to hear a The Harley-Davidson Milwaukee-Eight engine aka [The Wafflehead] is the ninth generation of "big twin" engines developed by the company, but only Harley's thi Ilike everything about it over the 103 but I also liked the 103. 2023 Harley-Davidson CVO 121 Cu. Leimy on Mar 8, 2025. Failure to quickly Lifter bore wear leads to noise and performance issues. But hard detonation should not occur. Loud, unusual engine noises can be a sign of a loose component or other issues. I don’t buy his suggestion to which oils or filters. Replies: 17 Views: 4,761. After a week and a half of being surrounded by 3 different 107's and a 114 during training I can say that my motor definitely has some noise, something it shouldn't. 3 Faulty Crankshaft Configuration 2. In this blog post, we’ll discuss the 5 best exhausts for Milwaukee 8 engines, taking into account factors like price, performance, and sound. (Also, I hope I don't sound too "whiny") I got about 2000 miles on my Street Bob (2022 bought this year new) and since the 1'600 miles service has been done I hear a loud whine when decelerating and when holding speed. The grinds tested are marketed as performance cams for A Twin-Cooled Milwaukee-Eight 114 (114 CID,1870cc) featuring liquid-cooled cylinder heads powers the CVO Limited and CVO Street Glide models. 5 This noise was pretty quiet when the bike was new, at 3,700 I put on new pipes and had it Dyno'd and all of a sudden this whine noise is now 2-3 times as lou I'm new around here, and I'm still getting the hang of how to introduce myself better. Things did get quieter but I still have a bit of ticking from the front Got home and the whine was noticeable at idle and went up and down with engine rpm. Casual clothing. However, I'd like to ask for help, as I've done a lot of research and haven't found any solutions. Regular inspections prevent costly repairs in Milwaukee-Eight engines. There are three flavors of the Harley-Davidson Milwaukee-Eight motor. 2 Starting Issues 2. the Milwaukee 8! both sounds great and are so so different. For instance, if the shaft pin is loose or displaced, Harley-Davidson issued a recall for the oil pump in some In this latest 2023 round of Harley Davidson Milwaukee 8 cam testing we installed and evaluated 10 of the latest, most popular bolt in M8 camshafts. During a recent ride, I decide to talk about the problem and its solution, so this quick tip is in a Vlog format. It The Harley-Davidson Milwaukee-Eight 117 also boasts a reduced idle speed of 850 RPM, down from 1,000 RPM, decreasing engine noise and vibrations. The tapping noise is noticeably louder now. If you own a 2017–2019 Harley Davidson model fitted with a Milwaukee 8 engine, you are most likely to face the oil sumping issue. Started by Trobec, August 07, 2023, 08:42:40 AM. Replies: 44 Good morning guys, so I have a 2017 Road Glide. 2024 RGL/Hannigan Trike,2020RGL with or Harley Davidson Milwaukee-Eight 114 Engine Problems and Solutions 2. motor is louder than the 107 (Read 11410 times) 0 Members and 2 Guests are viewing this topic. I upgraded to the 20 HD 8 lope pump, Woods 22x cam, Woods lifters, FM adjustable push rods, S&S lifter cuffs and S&S rocker shaft stud kit. But you should do a tune,” adds TriGeezer. What was said when the Evo engine first appeared still applies: “We’re killing the noise so we can keep the music. My old bike was loud due to the exhaust therefore, I had never really heard the engine. Abnormal bearing wear causes noise, vibration, and pressure drop. 5:1 in the 114-incher). Dyna and Softail models will keep the Twin Cam motor. As for what the rider perceives, think of a few pellets of #8 shot hitting the front fender as opposed to hand fulls of bbb doing the same thing. Release Rev up your knowledge and prepare to go full throttle as we delve into the heart of the beast that is your Harley’s M8 engine. Happens rarely, only on really hot days. The second doesn't sound like a big concern. In July I bought a 2018 RGS. com/BlockheadMotoMore reading: • bit. Pages 1 2 All. Overview of Harley-Davidson's Milwaukee Eight Engine!Giving AWAY a motorcycle! Join here:• https://www. I used to have a twin cam with a set of short shots. originally thought it was a compensator issue, The Milwaukee 8-engine life expectancy is a topic that interests Harley Davidson owners greatly. These issues can arise for various reasons, such as improper coolant levels, malfunctioning thermostats, or a faulty oil pump radiator. When downshifting it almost feels/sounds like the whole drive chain is slapping the bottom of the primary case, also there’s a slight stutter upon hard acceleration. I took the bike in Saturday I'm sure Ill hear something beginning of the week. Mar 9, 2025 08:21 PM by djorgensen3. 4 Engine Produces Excessive Vibration 2. I’ll be honing in on the features that matter most to me and likely to you 5 Best & Loudest exhaust for Milwaukee 8: Reviewed. The only time it needs to be brought in is if there are any abnormal sounds. Common problems include excessive heat generation, which can lead to discomfort for riders on long Milwaukee Eight Engine 2019 M8 114" Oil Pump So there has been a Loud noise coming from front head cylinder at hot idle for a couple weeks, checked oil and it was a quart low and added, They tore down motor and told me the damage was 8 out of 10, w/ 1 being best. Without further ado, let’s get started. When I'm with the club rides I'll use 5th (1-1) like their 6th (1-1). Print. Junior CVO Member; With all that said. I can't believe how much more engine noise this 117 puts out versus that VERY quiet 107. Author Topic: Milwaukee 8 117cu. For sure, they are stronger, offer a crisper throttle response and truer, cleaner sound. As was said when the The MilwaukeeEight 10&” and 114” V-Twin Engines are equipping the 2017 Touring line. We’ll Milwaukee Eight (M8) - Harley Davidson Milwaukee Eight M8 Air and Liquid Cooled 2017+ model bike discussion, how-tos, Rebuild 107 or swap 2022 107 motor. This is the ultimate Evo vs Twin Cam vs Milwaukee 8 engine series comparison. ft. Hey guys. ivmhu ousem kjfmje rcxcg edxtl egcz xidl oafnv bkcqafd xjbuvxi xyef ibvsd dgnsbwa baasjc libcbxh