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hacksaw
hacksaw
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Fitting BSA fork seal
#826974 10/18/20 8:07 am
Joined: Apr 2008
Posts: 40
N
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N
Joined: Apr 2008
Posts: 40
Hi fellas, I am in the process of fitting fork seals to the chrome holders on my B31. I can get the seal into the holder where it sits flush with the bottom of the holder but I still need to push the seal another @18 mm further into the tube for it to be seated correctly.

The seal is a tight fit in the holder and I am worried about damaging the seal or threads on the holder if I use too much force.

Is there a trick to fitting these seals?

Cheers

Neil

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Re: Fitting BSA fork seal
Norton Neil #826976 10/18/20 9:18 am
Joined: Dec 2004
Posts: 10,812
Likes: 52
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Posts: 10,812
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I use a correctly sized aluminum drift ie the size of the seal OD minus 0.5mm to give clearance so it does not damage the threads etc, the rubberised seals are tighter to fit than the steel OD seals but worth using as they seal better on the OD. A large socket wrench also works, just select one just under the OD of the seal but being steel it needs more care to avoid marring the threads. Triumph seal holders are much more substantial and the Norton ones go directly into the fork lower of course, the BSA type is flimsy in comparison.


Moderated by  Allan G, Jon W. Whitley 

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