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ECRider 03-14-2019 07:56 PM

Excess Front Wheel Side-Play 2018 GP300
My forks seem to be having excess clearance of approx 1-2 mm between the fork lugs & the wheel spacers giving the impression that the front wheel bearings are worn, when the bearings are actually OK.

This is after following the routine procedure of reinstalling the front wheel into the KYB forks by torquing the axle nut with the opposite brake side fork axle clamps tightened, followed by tightening the brake side clamps, loosening opposite side clamps & bouncing the forks with brake on to true the wheel, then re-tightening the opposite brake side clamps.

Sure I can re-tighten the axle nut to close the clearance between the wheel spacers but then this may promote fork binding.
Anybody else notice this?
Maybe I need wider wheel spacers.

shawbagga 03-15-2019 12:33 AM

Lightly snug/tighten axle nut. Bounce forks half a dozen times to centre axle/lugs. Tighten RHS(non brake side) fork lug. Tighten axle nut. Tighten LHS fork lug. The end.

ECRider 03-18-2019 11:23 PM

Thanks. I tried Shawbaggas method when changing out the mousse on the front tyre on the week-end & no side-play.
Haven't had this issue using my previously described method on plenty of other bikes though.

(F5) 03-19-2019 12:17 AM

Not sure with 18 setup, but fat end of axle should be able to be slid into clamp back to front. Ie. If you smacked the end with an 'ammer putting it in in a rush at some stage, it will get a raised edge which will stop it going home fully.

ECRider 03-19-2019 06:00 PM

Mostly I just tap the axle in by hand. With the front wheel out, I like to check the axle slides freely between the lugs to get each fork height through the triple clamps set correctly.
I did previously have to polish up the end of the non-brake side axle with fine emery paper next to the pull handle (ie on GP model) as it was binding in the lug.

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