Originally Posted by 3uba296
Cool, good to know. What about people saying yoy could get 500cc out of the 350 engine?
People say all sorts of things. With enough time and money I'm sure you could.
The stock cases can accept a sleeve OD of up to 93mm. With the 71.2mm stroke of the 350's crank, you would need a 93.9mm bore to make 500CCs. I don't know how thick a sleeve needs to be, but you're looking at widening the cases (and moving some case bolts) or getting a stroked crank. I've never heard of a stroked crank for this bike, but that doesn't mean someone hasn't made one