Is this right??
Seasoned HDF Member
Joined: Apr 2006
Posts: 10,675
Likes: 95
From: Billings,Mt.
I dont know how fork oil can have an affect on tire wear,well unless the tubes are not filled the same?
But since you did buy the bike used,there's a possibility the PO did something to the forks.
Might be a good idea to change the fork oil anyway.
Also check the wheel bearings,axle torque and tire pressure.
If you have spoked wheels,check the spokes for tightness,wheel runout and tire balance.
But since you did buy the bike used,there's a possibility the PO did something to the forks.
Might be a good idea to change the fork oil anyway.
Also check the wheel bearings,axle torque and tire pressure.
If you have spoked wheels,check the spokes for tightness,wheel runout and tire balance.
Last edited by 1flhtk4me; Nov 18, 2012 at 08:26 AM.
Road Master
Joined: May 2008
Posts: 762
Likes: 14
From: Bellevue, NE
I dont know how fork oil can have an affect on tire wear.
But since you did buy the bike used,there's a possibility the PO did something to the forks.
Might be a good idea to change the fork oil anyway.
Also check the wheel bearings,axle torque and tire pressure.
If you have spoked wheels,check the spokes for tightness,wheel runout and tire balance.
But since you did buy the bike used,there's a possibility the PO did something to the forks.
Might be a good idea to change the fork oil anyway.
Also check the wheel bearings,axle torque and tire pressure.
If you have spoked wheels,check the spokes for tightness,wheel runout and tire balance.
Seasoned HDF Member
Joined: Sep 2009
Posts: 25,306
Likes: 2,443
From: Eastern NE
Old/dirty fork oil isn't likely the cause of worn tread...worn bearings, tire pressure, imbalance are more likely a culprit, but you'd definitely have front-end vibrations. Try another shop (2nd/3rd opinion) and see if the majority rules w/these assessments.
Outstanding HDF Member
Joined: Jul 2007
Posts: 2,241
Likes: 7
From: Daytona, Fla.
That being said, it's highly unlikely that fork oil is causing tire wear. Particularly without ride problems. "A little uneven" probably means cupping. Check inflation pressure & balance. Learn about the wear bars built into the tires & spend a dollar on a simple pocket ruler that measures in 32nd's of an inch. Measure your own tire wear & you'll know when to replace a tire so you won't be at the mercy (or lack of) a stealership.
Ultimate HDF Member
Joined: Mar 2012
Posts: 6,129
Likes: 143
From: Santa Cruz
Old oil can decrease damping and allow the wheel/tire to "bounce" more. A bouncing tire will wear "funny". The Harley damper rod system doesn't control damping/rebound very well to begin with and light wore out oil doesn't help. Heavier new oil isn't a bad idea. That said; bearing, balance and/or air pressure problems are more common/likely.
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