Deon wrote:Yes, I see this. The ZXR front end is on now with the only mod being an adaptor collar to fit the bottom bearing into the NSR frame. Now that's done I have just picked up some ZXR636 forks that very happily fit into the ZXR400 clamps. Whichever way I go, I believe that USD forks are staying on. It changes the whole look of the bike. I like it a LOT!!!

You'll need to enlighten me here !

ZXR H USD's are 40mm
ZX636 USD's are 41mm

Did you just open them up and hammer them in ?

What wheel you running on the ZX forks?

The H yolkes are about 3mm different pitch to the ZX's which is the same as the ZXR L model.

I ask, cause I am in the process of doing a ZX636 conversion too. Just now I have an L & H bottom yolk away getting the pins pressed out, sleeved and set back into the opposite yolk.

The L yolk with H pin will allow me to fit the ZX636 USD's with an '05 wheel and petal discs on using the standard axle pin, spacers (using a digital speedo) and front muddy.

This is getting fitted on a 400 which is about 10Kg less than the 636 so the set-up should be a very good match, however your 250 will be a damn site less in weight so hope your VFR shock can compensate.

I also don't get how the VFR400 forks were soft as again the bike is heavier than the NSR and the sag on them would not of been right with out re-springing them It may be that the initial geometry of the bike was wrong and that's what made you think they were soft either that or your flippin huge

H forks were/are very well made (SP version's are fully adjustable) , modern ones now are fully adjustable as standard and until you leap to Ohlins there is very little improvement over the years.

anyhoo, you've got it all sorted so that is a result
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