Big Bore Kit

[Minter fab]

So I spent Saturday afternoon tearing up the sand on my 250R. by the end of the evening she was not happy. It's no runs but I think it' stuck a ring. Does anyone know of someone offering a Big Bore Kit for the air-cooled 83-84 250R

[sledcrazyinCT]

There is a factory 300 kit you can find for sale. New pistons are now available
Also there is a top end kit that hits 290 with stock cylinder resleeved

[Minter fab]

ive been looking and havnt seen a thing. I lied I think I have found one kit that's been punched 30 over

[ATC-Eric]

I will be offering a 310 kit here in the next 30 or so days......................

[Minter fab]

Sent you a p.m.! Definitely interested