setting cartridge fork spring preload?

steve.emma

Member
Oct 21, 2002
285
0
hi im in the process of fititing stiffer fork springs to my kdx and need to set the spring preload. the new springs are off a xr400 and are longer in length than the original springs. after reading a few posts about this im lead to believe i want about 10mm of preload,so to figure out what lengths to make new preload spacers i measure the internal dimensions of the assembled fork (i.e. distance from where the spring seats to the bottom of the fork cap) then subtract the new springs fully extended length including spacer seats etc.., then add my preload amount (in this case 10mm) and that is the length to make new spacers? hope this makes sense to someone and sorry if i didnt explain very well. i think ive got the idea just wanted to run it by someone who knows.
cheers.
 

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