A 300 cc jug would need a bore of 76.6 mm with the same stroke. Can the CG engine cases take that or will they need to be bored out?
__________________
2020 Tao TBR7
9.3:1 PnP head
CRF230F exhaust
4 degree advance key
290 degree cam
Nibbi PE30 and cone filter
Front fork brace
|