pjw123 Posted March 7, 2019 Report Share Posted March 7, 2019 Just acquired a Pinky in need of serious TLC. Mains in a bad way. Have a fully rebuilt S bottom end which I was considering fitting. Q: .is there much of a difference between S,R & Pinky bottom ends, Quote Link to comment Share on other sites More sharing options...
rcgods Posted March 8, 2019 Report Share Posted March 8, 2019 As far as I know the engines were the same it was just the bodywork differed Quote Link to comment Share on other sites More sharing options...
thai-ty Posted March 18, 2019 Report Share Posted March 18, 2019 All identical. Perhaps flywheel weights were different as the bike became more "modern"? Quote Link to comment Share on other sites More sharing options...
2stroke4stroke Posted March 18, 2019 Report Share Posted March 18, 2019 On 3/8/2019 at 3:29 PM, rcgods said: As far as I know the engines were the same it was just the bodywork differed I'm sure the porting was different between S and R, the exhaust certainly was and I think the jetting, if not the carb. Bottom ends probably the same. Quote Link to comment Share on other sites More sharing options...
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