what is the biggest big bore kit for an 02 rm 85?

[Denny1068]

im turning 16 and this year i wont be able to race 85 cc's so if i get a massive bore kit for it i can run it-it fits me great and plus i need to buy a truck so right now so i dont know when im ever gonna get my 125

 

[Ol'89r]

Denny.

Wisco makes a Super-Mini piston that is 3mm oversize. LA Sleeve sells them. Check their site for a dealer near you.