yz80 1993 46MM piston buy or swap

[muzzmail]

I need a yz80 1993 piston "46mm", brought a wisco from ebay usa std but ended up 47mm. Have had such bad luck, replaced piston last xmas, it lasted 2 days, my 14 yr old son was gutted, we had water leak, replaced seal but new piston was toasted and died 1 day later. Will like to trade 47mm if someone has the 46mm or consider 2nd hand good (if there is such a beast).
Cheers

[Wellyman]

Try Wiseco or other piston manufacturers for a 46mm version you may have to go and see Yamaha for that one or have another look on Ebay or trademe. or get a Honda.
WM

[F5 Dave]

Unlikely anyone has one here sitting around. One such an old bike has it had a sleeve fitted or were they iron bore to start with. If so just bore it. Wisecos require lots of clearance say 4 thou to be safe. Run it in carefully. Check no airleaks.