Milwaukee Eight (M8) 2017 and up M8 Air and Liquid Cooled discussion
Sponsored by:
Sponsored by:

M8 problems

Thread Tools
 
Search this Thread
 
Old Jul 20, 2017 | 09:00 PM
  #751  
ChromeSporty's Avatar
ChromeSporty
Advanced
Joined: Aug 2016
Posts: 85
Likes: 21
From: King Ontario
Default

After reading through this I think I'll stick with my good o'l Sporty for a while. Absolutely flawless after 30K. This **** is scaring me.
 
Reply
Old Jul 20, 2017 | 10:41 PM
  #752  
mjwebb's Avatar
mjwebb
Seasoned HDF Member
15 Year Member
Photogenic
Community Builder
Top Answer: 1
Joined: Jan 2008
Posts: 13,674
Likes: 11,461
From: State of Confusion
Default

Originally Posted by ChromeSporty
After reading through this I think I'll stick with my good o'l Sporty for a while. Absolutely flawless after 30K. This **** is scaring me.
EVO engines rock..about the best HD ever produced
 
Reply
Old Jul 21, 2017 | 05:30 AM
  #753  
Redrodyankneck's Avatar
Redrodyankneck
Stellar HDF Member
10 Year Member
Photogenic
Liked
Top Answer: 1
Joined: Mar 2016
Posts: 2,285
Likes: 965
From: Eastern NC
Default

Originally Posted by ChromeSporty
After reading through this I think I'll stick with my good o'l Sporty for a while. Absolutely flawless after 30K. This **** is scaring me.
You scare easy Boo
 
Reply
Old Jul 21, 2017 | 08:32 AM
  #754  
checkers's Avatar
checkers
Ultimate HDF Member
Joined: Jan 2009
Posts: 5,016
Likes: 277
From: East Tn Foot of The Dragon
Default

A suggestion for M8 riders: ECM's have to read the sensors in the system. If you throw the ignition switch to on and hit the starter you can create issues.
Please, when turning on ignition switch wait 3-4 seconds before engaging starter. This allows correct fuel pressure and ECM to read all sensors and temp.
As far as warped rotors, they don't warp themselves and have never been a warranty repair. As far as the other list of repairs, it's sad.
 
Reply
Old Jul 21, 2017 | 08:52 AM
  #755  
Max Headflow's Avatar
Max Headflow
Seasoned HDF Member
Joined: Dec 2005
Posts: 19,925
Likes: 8,027
From: poway
Default

Originally Posted by checkers
A suggestion for M8 riders: ECM's have to read the sensors in the system. If you throw the ignition switch to on and hit the starter you can create issues.
Please, when turning on ignition switch wait 3-4 seconds before engaging starter. This allows correct fuel pressure and ECM to read all sensors and temp.
As far as warped rotors, they don't warp themselves and have never been a warranty repair. As far as the other list of repairs, it's sad.

You don't have to wait.. Rotors can easily be off if not ground flat to start or tweaked when screwing them hubs...
 
Reply
Old Jul 21, 2017 | 10:28 AM
  #756  
Never2Late's Avatar
Never2Late
Cruiser
Joined: Jul 2010
Posts: 126
Likes: 5
From: (near) Verrado, AZ
Default

Originally Posted by checkers
A suggestion for M8 riders: ECM's have to read the sensors in the system. If you throw the ignition switch to on and hit the starter you can create issues.
Please, when turning on ignition switch wait 3-4 seconds before engaging starter. This allows correct fuel pressure and ECM to read all sensors and temp.
As far as warped rotors, they don't warp themselves and have never been a warranty repair. As far as the other list of repairs, it's sad.
l am a lurker more than poster, but an FYI, the rotors have been replaced twice with the ESP by CNA. Once at about 40,000 mi and just recently at approximately 101,000 miles. Can't speak on the 2 year manufacturer warranty.

l've been following this post because a 2018 is in my future in early 2018.
 
Reply
Old Jul 21, 2017 | 10:50 AM
  #757  
FLTRI17's Avatar
FLTRI17
Stellar HDF Member
15 Year Member
Liked
Loved
Community Favorite
Joined: Sep 2009
Posts: 2,114
Likes: 666
Default

Originally Posted by checkers
A suggestion for M8 riders: ECM's have to read the sensors in the system. If you throw the ignition switch to on and hit the starter you can create issues.
Please, when turning on ignition switch wait 3-4 seconds before engaging starter. This allows correct fuel pressure and ECM to read all sensors and temp.
As far as warped rotors, they don't warp themselves and have never been a warranty repair. As far as the other list of repairs, it's sad.
Can you just imagine a motor cop sitting behind a road sign, then a speeder zooms by. Now the cop has to turn the ignition on and wait?
Shortly after the first EFI cop bikes were delivered the MOCO put out a service bulletin stating there was no need to wait. I know this because I was a HD service mgr in 1999-up when the Delphi system was announced.

The pulsing braked were noticed from the very first ride coming to a gentle stop on my break-in trip to Oregon from the Bay Area. I ASSUMED they would simply replace them under new bike warranty at my first service.
At my first service they determined the rotors were within spec...by .001" and I must have abused the brakes to generate hot spots on the rotor. Hot spots are generally developed from differing thickness of the rotor. Something might have caused the warpage when bolted to the hub due to something between the rotor and the hub, or simply not ground true when finished.
The dealer principal (owner) rode the bike and told me he felt the pulsing then explained the factory has tolerances and mine was .001 UNDER the max variance. Hell the tech could have bumped the rotor and it would have met the requirement but obviously the dealer didn't want to help me to get the rotors covered. $170 plus labor to get my brakes proper.

Really disappointed in my delivering dealer's failure to take care of the issue.
Bob
BTW, called the customer service dude at the MOCO and was told they relied on the dealer to determine if the rotors were within spec, and if so, there was nothing they could do.
The dealer told me I was on my own with the factory as they didn't have as much poop as I with the factory and their warranty.
All I can say is things have definitely changed since I worked for them. All it took was a call to the MOCO and explained I (or a qualified tech) rode the bike and it pulsed. Job covered.
 

Last edited by FLTRI17; Jul 21, 2017 at 11:02 AM.
Reply
Old Jul 21, 2017 | 12:05 PM
  #758  
mjwebb's Avatar
mjwebb
Seasoned HDF Member
15 Year Member
Photogenic
Community Builder
Top Answer: 1
Joined: Jan 2008
Posts: 13,674
Likes: 11,461
From: State of Confusion
Default

Originally Posted by FLTRI17
Can you just imagine a motor cop sitting behind a road sign, then a speeder zooms by. Now the cop has to turn the ignition on and wait?
Shortly after the first EFI cop bikes were delivered the MOCO put out a service bulletin stating there was no need to wait. I know this because I was a HD service mgr in 1999-up when the Delphi system was announced.

The pulsing braked were noticed from the very first ride coming to a gentle stop on my break-in trip to Oregon from the Bay Area. I ASSUMED they would simply replace them under new bike warranty at my first service.
At my first service they determined the rotors were within spec...by .001" and I must have abused the brakes to generate hot spots on the rotor. Hot spots are generally developed from differing thickness of the rotor. Something might have caused the warpage when bolted to the hub due to something between the rotor and the hub, or simply not ground true when finished.
The dealer principal (owner) rode the bike and told me he felt the pulsing then explained the factory has tolerances and mine was .001 UNDER the max variance. Hell the tech could have bumped the rotor and it would have met the requirement but obviously the dealer didn't want to help me to get the rotors covered. $170 plus labor to get my brakes proper.

Really disappointed in my delivering dealer's failure to take care of the issue.
Bob
BTW, called the customer service dude at the MOCO and was told they relied on the dealer to determine if the rotors were within spec, and if so, there was nothing they could do.
The dealer told me I was on my own with the factory as they didn't have as much poop as I with the factory and their warranty.
All I can say is things have definitely changed since I worked for them. All it took was a call to the MOCO and explained I (or a qualified tech) rode the bike and it pulsed. Job covered.
wow, splitting hairs like that..nothing like taking care of your customers and making them want to come back for service or buy a bike from then..you can't fix stupid
 
Reply
HD Forum Stories

The Best of Harley-Davidson for Lifelong Riders

story-0

7 Times Harley-Davidson Chucked Tradition Out the Window

 Verdad Gallardo
story-1

7 Surprising Harley-Davidson Products that Are Not Motorcycles

 Verdad Gallardo
story-2

8 Best Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-3

10 Worst Harley-Davidson Motorcycles Ever

 Pouria Savadkouei
story-4

Killer Custom's Jail Break Is The Breakout That Refused to Blend In

 Verdad Gallardo
story-5

Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

 Verdad Gallardo
story-6

Harley-Davidson Reveals Super Cool Cafe Racer Concept

 Verdad Gallardo
story-7

Engraved Rebellion: Inside Bundnerbike's Glam Rock II

 Verdad Gallardo
story-8

10 Motorcycles You Should Never Buy

 Joe Kucinski
story-9

10 Things Harley-Davidson Needs to Fix in 2026

 Verdad Gallardo
Old Jul 21, 2017 | 06:31 PM
  #759  
checkers's Avatar
checkers
Ultimate HDF Member
Joined: Jan 2009
Posts: 5,016
Likes: 277
From: East Tn Foot of The Dragon
Default

Originally Posted by Max Headflow
You don't have to wait.. Rotors can easily be off if not ground flat to start or tweaked when screwing them hubs...
Then don't wait. Crank em both together. I'm sure that published bulletin from 1999 is still current 18 years later.
From what I'm reading, the MOCO will replace warped rotors for 2 years and unlimited miles? This is a question. The warped rotors and who caused it has been an ongoing issue for years between the MOCO, the dealer and the customer. Many dealers will bite the bullet and replace them at least one time under their policy guidelines for customer satisfaction. I know mine would on a new bike purchased from him.

Originally Posted by Never2Late
l am a lurker more than poster, but an FYI, the rotors have been replaced twice with the ESP by CNA. Once at about 40,000 mi and just recently at approximately 101,000 miles. Can't speak on the 2 year manufacturer warranty.

l've been following this post because a 2018 is in my future in early 2018.
I assume CNA is Cornerstone. If the rotor failed and the claim is worded as such and extended service contract can elect to replace them. Every extended contract I have ever read will not cover friction brake parts such as pads/rotors.

Originally Posted by Never2Late
l am a lurker more than poster, but an FYI, the rotors have been replaced twice with the ESP by CNA. Once at about 40,000 mi and just recently at approximately 101,000 miles. Can't speak on the 2 year manufacturer warranty.

l've been following this post because a 2018 is in my future in early 2018.
Are you considering an M8?
 

Last edited by ChickinOnaChain; Jul 23, 2017 at 12:45 AM.
Reply
Old Jul 22, 2017 | 06:04 AM
  #760  
splattttttt's Avatar
splattttttt
Ultimate HDF Member
Veteran: Army
Joined: Jul 2014
Posts: 5,649
Likes: 430
From: MASS_hole
Default

Originally Posted by Nuke_Disaster
Well, my morning started out interesting... was leaving for work, went to start my SGS, turned the ignition and nothing happened... Looked at the ODO display and it said somehting like "ENTER PIN". I had my fob in my backpack which was inside my saddle bag, so I grabbed it thinking it was out of range or something. Held it in my hand, tried again, same thing.

Figured it was just the battery so I ran inside and changed the battery of the fob, came back out, and the bike started. Damn oil light on AGAIN. Pulled out of the driveway, got to the corner and the oil light went out (usually goes out once I get going).

Driving down the road about a mile and the bike just cuts out on me. Check engine light comes on, oil light comes on, no power, engine dead. Luckily I was in front of a school so I coasted in, tried to put the bike in second gear to start it back up while i was coasting, but no-go. Pushed this 1000 lb beast up a small hill, put it on its kickstand and rooted around in my vest to find my phone to call the dealership, while trying to restart the bike. It wouldn't even turn over. Tried about 3 or 4 times.

As I was looking for the dealership number and trying to cool off, I noticed the hazard lights were on for whatever reason and my phone was still connected via bluetooth, even though the bike was turned off. Not sure what that means. Sat there for a minute and then decided to try to start the bike again. It started and I drove it back to my house and parked it. Called the dealership and they are sending someone over to pick it up sometime today.

Pretty bummed.

Of note: About 75% of the time that I start the bike up after it has been sitting for the day, the check oil light comes on and the info screen says "check oil". It eventually goes away once I get down the road, but the times vary. It always goes off though. Never had the bike die on me like this morning.

Anyone know what it could be? Stuck valve? Bad oil pump? Driver error?

EDIT: Bike has less than 800 miles. Already had the tranny rebuilt ~200.
Originally Posted by ChromeSporty
After reading through this I think I'll stick with my good o'l Sporty for a while. Absolutely flawless after 30K. This **** is scaring me.
Originally Posted by Redrodyankneck
You scare easy Boo
Don't wanna lay the chance of any possible jinx on ya brother. I strongly believe that what goes around, eventually comes back to the flinger. And I'm more than happy that you and your new bike are happy. But be sensitive to others. Consider this thread as sought of therapy session for ppl going through a rough time. No one wants to get slapped by some happy go ****er.
Thanks for reading and ride safe.
 
Reply



All times are GMT -5. The time now is 03:48 PM.

story-0
7 Times Harley-Davidson Chucked Tradition Out the Window

Slideshow: Harley-Davidson built its reputation on nostalgia, but every so often, the company took a hard left turn into the future.

By Verdad Gallardo | 2026-05-20 11:18:19


VIEW MORE
story-1
7 Surprising Harley-Davidson Products that Are Not Motorcycles

Slideshow: The bar-and-shield logo shows up on far more than motorcycles, some of the company's most unexpected products have nothing to do with riding.

By Verdad Gallardo | 2026-04-29 16:50:35


VIEW MORE
story-2
8 Best Harley-Davidson Motorcycles Ever

Slideshow: Not every Harley gets it right, but these are the ones that genuinely earned their reputation.

By Pouria Savadkouei | 2026-04-15 14:23:21


VIEW MORE
story-3
10 Worst Harley-Davidson Motorcycles Ever

Slideshow: From the troubled AMF years to modern misfires, these bikes earned reputations for reliability issues, questionable engineering, or disappointing performance.

By Pouria Savadkouei | 2026-04-01 20:01:09


VIEW MORE
story-4
Killer Custom's Jail Break Is The Breakout That Refused to Blend In

Slideshow: Killer Custom's "Jail Breaker" build focuses more on stance and visual aggression than mechanical overhaul.

By Verdad Gallardo | 2026-03-18 19:20:32


VIEW MORE
story-5
Crazy Bunderbike Build Looks Amazing, But Is It Impossible to Ride?

Slideshow: The Swiss custom shop has taken a Harley Softail and stretched it into something so long and low that it looks closer to a rolling sculpture than a conventional motorcycle.

By Verdad Gallardo | 2026-03-07 16:15:30


VIEW MORE
story-6
Harley-Davidson Reveals Super Cool Cafe Racer Concept

Slideshow: Harley-Davidson's new RMCR concept revives the café racer formula with modern hardware-and it may be exactly the reset the company needs.

By Verdad Gallardo | 2026-03-04 12:23:37


VIEW MORE
story-7
Engraved Rebellion: Inside Bundnerbike's Glam Rock II

Slideshow: A standard cruiser becomes an intricate metal canvas in the hands of a Swiss custom house known for pushing Harley-Davidson platforms far beyond their factory brief.

By Verdad Gallardo | 2026-02-24 18:19:44


VIEW MORE
story-8
10 Motorcycles You Should Never Buy

Slideshow: There is no shortage of great motorcycles to buy, but we would avoid these ten.

By Joe Kucinski | 2026-02-19 14:50:51


VIEW MORE
story-9
10 Things Harley-Davidson Needs to Fix in 2026

Slideshow: Harley-Davidson's challenges aren't abstract; they show up in dropping shipments, shrinking dealer traffic, and strategic decisions that aren't yet translating into growth.

By Verdad Gallardo | 2026-01-13 18:33:17


VIEW MORE