2018 Fatbob Front Wheel Hop - Harley Davidson Forums

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2018 Fatbob Front Wheel Hop

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Old 07-08-2018, 07:08 AM
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Default 2018 Fatbob Front Wheel Hop

Took my bike in yesterday for what appears to be a front tire out of balance.
I also had my 1000 mile service due and heated grips installed which was part of my sale when purchased..
Everything went great except for the fix of the wheel balance issue.
They checked the tire for balance which was fine. They test drove the bike and could feel what I was feeling. They replaced the front tire, but it was still there. The symptoms are from approx 48mph up through 56mph, you get an out of balance feel, like the front wheel is hopping down the road. The dealer wants to call Harley first thing Monday and see what they say.....they also said the only thing left is the wheel itself is not right.
Wondering if anyone else has experienced this problem and if so, what was the cure?
 

Last edited by 2018FatBob; 07-08-2018 at 07:12 AM.
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Old 07-08-2018, 07:31 AM
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I had this same issue. Dealer worked on the bike for a few hours.. twice. In my case the front tire balanced properly, but was actually out of round. The sidewall was slightly taller in one area.
Id bet that while good side to side your wheel is out of round.
 
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Old 07-08-2018, 09:20 AM
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well my other half has been a machinist for almost 40 years.....he got his indicator and checked the wheel, just to rule it out.....
well the wheel is out .03 on the radial, and .04 on the lateral. So whoever machined the wheel messed it up.
Waiting to call the dealer tomorrow morning.......
 

Last edited by 2018FatBob; 07-08-2018 at 10:39 AM.
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Old 07-08-2018, 05:42 PM
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I had the same issue. Searched in vain for the culprit in the front end.

I put a dial indicator on everything in the front end...then the rear end. Once I got to the rear tire, I had the culprit dead to rights.

These M8 Softails seem especially sensitive when it comes to out of round tires. Probably because there is a very noticeable lack of vibration from the bike, as a whole...
 
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Old 07-09-2018, 05:30 PM
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Mine does the same thing and dealer "can't find anything wrong with it nor can they feel it" according to them. It starts to really vibrate and shake around at higher speeds (over 85). Going back to dealer for this and another new issue that popped up after the 1000 Mi service. I now have a grinding noise that I can hear and feel in the pegs. It only happens when slowly rolling at 8-6 MPH when coming to a stop or if I roll on a slight downhill grade, clutch in, clutch out, in gear or in neutral. The belt tension was adjusted but is super tight now so I'm wondering if that has anything to do with it? Anyway I will let you know what the dealer says about it and the front end hop/shake this time.
 

Last edited by Bowhunter8607; 07-09-2018 at 05:33 PM.
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Old 07-10-2018, 03:57 PM
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My sportglide is in for the 1k service now, mine is being checked for the same issue. With mine it happens at about 30 to 35 mph, anything slower or faster it is smooth.
 
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Old 07-10-2018, 04:07 PM
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Chinese wheels?
 
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Old 07-11-2018, 05:57 PM
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The dealer got back to me and HD is replacing the wheel. Only issue is that it is backordered
They said they were told about a month, but the dealer said could be sooner........fingers crossed!
 
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Old 07-11-2018, 05:58 PM
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Originally Posted by Kingglide549 View Post
Chinese wheels?
I'm kinda curious if they are Chinese wheels....that might explain the poor machinist work.
 
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Old 07-11-2018, 05:59 PM
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Originally Posted by rvkersh View Post
My sportglide is in for the 1k service now, mine is being checked for the same issue. With mine it happens at about 30 to 35 mph, anything slower or faster it is smooth.
What tire do you have? Just curious.....
 

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