Description
- Kit contains stroker crankshaft, main bearing/seals and complete gasket set for complete installation
- (04-05) +4.4mm stroke / Makes 470cc / Uses stock piston
- (06-08) +3mm stroke / Makes 471cc /Uses stock piston
- *Does not fit R or X models
For Models:
2004 - 2009 Yamaha YFZ 450
