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1981 KZ650-CSR.
Fork spring spacer 92026-1012 = 27mm O.D. x 80mm Length.
In the 1981 KZ650 manual the fork spring free length listed is: Service limit = 497mm. Standard length = 507mm.
From the diagrams at Partzilla the 750H Ltd models have the same spacer.

martin_csr wrote: 1981 KZ650-CSR.
Fork spring spacer 92026-1012 = 27mm O.D. x 80mm Length.
In the 1981 KZ650 manual the fork spring free length listed is: Service limit = 497mm. Standard length = 507mm.
From the diagrams at Partzilla the 750H Ltd models have the same spacer.

Thanks. I ended up finding another set of original spacers which I will shorten by about 30mm. I'll see how that goes with 15W oil. The service limit for the 750H springs is 483mm - they are a bit shorter than the 750E springs (service limit 497mm - or 477 outside US and Canada... not sure what's up there). Couldn't find the standard length of new springs listed anywhere though.

I would use 3/4" pvc pipe to figure out the desired length before cutting a spacer.