solvent3 Posted August 3, 2011 Report Share Posted August 3, 2011 Hi i have my FB being built currently and need some hints on gearing sizes. The engine is 8e 197cc and has the 4 speed box. I might replace with trials cogs but, if i don't what is a good front/rear sprocket combination to get a good usable 1st and 2nd? thanks Quote Link to comment Share on other sites More sharing options...
brian h Posted August 4, 2011 Report Share Posted August 4, 2011 Hi Do you have a 38T or 51T clutch chain wheel. ? Brian H Quote Link to comment Share on other sites More sharing options...
solvent3 Posted August 16, 2011 Author Report Share Posted August 16, 2011 hi, i dont have the bike here at the minute as its being built but thanks for the reply i will check when i get it back. Hi Do you have a 38T or 51T clutch chain wheel. ? Brian H Quote Link to comment Share on other sites More sharing options...
brian h Posted August 29, 2011 Report Share Posted August 29, 2011 I have a 197 James Commando K7T similar to your FB, let me know what engine, clutch, gearbox and rear sprockets you have at present, I assume you have the 4 speed wide ratio gearbox?. Quote Link to comment Share on other sites More sharing options...
solvent3 Posted October 23, 2011 Author Report Share Posted October 23, 2011 Managed to get what I needed by dropping the engine sproket down to an 18. Quote Link to comment Share on other sites More sharing options...
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