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Searched around and found different answers to this question so I'm still unsure how to proceed. Hopefully someone will be able to clarify for me....
I'm doing a fork seal replacement and progressive spring update on the front end of my '82 1000 kat with anti-dives still there but disabled and am at the point of putting everything back together. Reading the installation notes that came with the progressives it tells me I need no spacer. But the spring that was in there before (I have no idea if it was stock or not) is longer than the progressive! Is this what others have found with these types of fork?
Dimensions are:
original spring: 480mm
progressive spring: 455mm
(they are 11-1107's which are the correct springs for the machine)
Looking at the fische I don't see anything missing from my forks and when assembled with the original spring there's about 3/4" of preload, with the progressive there's less than none. That's not right is it?
I have read where some members doing this update have used a spacer and others that did not. Seems to me to retain the normal preload I'd have to use a 25mm spacer to make up the difference - right?
I know from doing this on my other bikes that preload is something you have to measure sag and mess with when back on it's wheels but I'd like to at least get in the ball park.
Can anyone that's done this offer advice, I'm confused
I'm doing a fork seal replacement and progressive spring update on the front end of my '82 1000 kat with anti-dives still there but disabled and am at the point of putting everything back together. Reading the installation notes that came with the progressives it tells me I need no spacer. But the spring that was in there before (I have no idea if it was stock or not) is longer than the progressive! Is this what others have found with these types of fork?
Dimensions are:
original spring: 480mm
progressive spring: 455mm
(they are 11-1107's which are the correct springs for the machine)
Looking at the fische I don't see anything missing from my forks and when assembled with the original spring there's about 3/4" of preload, with the progressive there's less than none. That's not right is it?
I have read where some members doing this update have used a spacer and others that did not. Seems to me to retain the normal preload I'd have to use a 25mm spacer to make up the difference - right?
I know from doing this on my other bikes that preload is something you have to measure sag and mess with when back on it's wheels but I'd like to at least get in the ball park.
Can anyone that's done this offer advice, I'm confused
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