F frock Well-known member Oct 25, 2011 #1 Does Split Second (Ralph Mostad) build a big bore out of this motor??????? Last edited: Oct 25, 2011
1 1100 Member Oct 25, 2011 #2 Never heard of one from him. Bikeman, crankshop and Terra alps are the only companies I have heard of making big bores for this engine.
Never heard of one from him. Bikeman, crankshop and Terra alps are the only companies I have heard of making big bores for this engine.