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R90/6 Fork Alignment
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- Posts: 42
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R90/6 Fork Alignment
Any advice? Thanks!
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- schrader7032
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Re: R90/6 Fork Alignment
'78 R100/7 '69 R69S '52 R25/2
Fast. Neat. Average. Friendly. Good. Good.
- drpetemurray
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Re: R90/6 Fork Alignment
Do not rely on the steering stop. Do get a short length of black gas pipe and insert it into handlebar mounts. Use this in the center position to torque said parts.
Stroudsburg,Pa
73 R75/5 , 1014 RTW, IBA 359
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Re: R90/6 Fork Alignment
First, make sure both upper legs are the same height above the lower triple tree and the top plate isn't slightly bent so one leg sits further down than the other. If they are the same height... and I've seen this twice over the years - first time drove me nuts trying to figure out what was wrong... Turned out in both cases the inner damper assemblies were machined slightly differently - probably from different parts batches - they're what determines where the fork "tops" out fully extended. In the end, it wasn't enough to cause any "alignment" issues that impact steering - the forks were not twisted and the lowers still move up and down smoothly on the uppers so I let it go. As long as the forks are aligned once you tighten the top nuts, you should be good. Best way I've found to check is with a glass plate pressed against the upper/inner tubes. If it sits flush on both sides, you're good.
Hope that helps.
Chuck S.
Chuck S
- r67boxer
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Re: R90/6 Fork Alignment
I've used the following clip on Brook's Airhead Garage. He talks about not using the steering stop too.drpetemurray wrote: ↑Fri Nov 03, 2023 6:32 amHow do you stabilize the triple trees when torquing the Cap Nut and the Guide Support?
Do not rely on the steering stop. Do get a short length of black gas pipe and insert it into handlebar mounts. Use this in the center position to torque said parts.
https://www.youtube.com/watch?v=Oyhg1wYLcG8
Kevin
- drpetemurray
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Re: R90/6 Fork Alignment
+1r67boxer wrote: ↑Fri Nov 03, 2023 1:59 pmI've used the following clip on Brook's Airhead Garage. He talks about not using the steering stop too.drpetemurray wrote: ↑Fri Nov 03, 2023 6:32 amHow do you stabilize the triple trees when torquing the Cap Nut and the Guide Support?
Do not rely on the steering stop. Do get a short length of black gas pipe and insert it into handlebar mounts. Use this in the center position to torque said parts.
https://www.youtube.com/watch?v=Oyhg1wYLcG8
Kevin
Brook does a fine job perhaps overkill with these very flexible front ends. Although I recall in his /5 video washers were placed to shim the top of the triple tree in order to obtain alignment. Not a fan of that remedy. The glass plate method works well for me.
Stroudsburg,Pa
73 R75/5 , 1014 RTW, IBA 359
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Re: R90/6 Fork Alignment
Brett