Originally Posted by Reino
Jip i looked at that thread a long while ago, The biggest i would go is 300 with my ktm and i cant do the cr500 conversion parts and motor are not really available here. i think there are a total of 5 or 7 cr500 in my country. Its a bummer.
His conversion was based on 250 cases and a 380 crank and top end.
a straight 380 swap is easier and cheaper