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Late 77 GT500 ACSO Caliper - Need Piston! Help!!

Posted: Fri Dec 12, 2014 10:37 am
by speedfreak
Trying to track down a suitable replacement piston for the calipers on my 77 GT500. They are the ASCO flavor which makes it very hard to find. I've talked to Marcel at Classic Suzuki Parts NL, but the best he can do is a whole new caliper.

I understand that some other piston might be close enough and it's just a matter of buying the right seals. Does anyone have experince with this switch? Any part numbers? I would love to buy a piston and not a whole new caliper - but I'm running out of options... Help please!

Re: Late 77 GT500 ACSO Caliper - Need Piston! Help!!

Posted: Fri Dec 12, 2014 11:37 am
by Coyote
I believe I would eBay for the other type (Tokiko I think). Kits for those are readily available. Asco stuff is really rare. Time to get away from it.

Re: Late 77 GT500 ACSO Caliper - Need Piston! Help!!

Posted: Fri Dec 19, 2014 12:57 am
by oldjapanesebikes

Re: Late 77 GT500 ACSO Caliper - Need Piston! Help!!

Posted: Fri Dec 19, 2014 8:50 am
by speedfreak
Thanks - after discussing parts with Marcel again, I've decided to go to the Tokico caliper. It just makes life easier...