daveg Posted June 19, 2013 Report Share Posted June 19, 2013 hi,fitted smaller front engine sprocket and electrex ignition tighened up,engine dosnt turn primary chain fouls case,what do i need to do remove shoulder where chain fouls or ???????? Link to comment Share on other sites More sharing options...
mcman56 Posted June 19, 2013 Report Share Posted June 19, 2013 When I bought the smaller sprocket, it came with instructions and a thinner seal for installation behind the sprocket. I did have to cut back the case for clearance. The sprocket and seal came from C&D. I can probably dig up the seal numbers if it would be helpful. Link to comment Share on other sites More sharing options...
broony Posted June 19, 2013 Report Share Posted June 19, 2013 When I fitted a smaller primary drive sprocket I removed the lip where the chain fouls and fitted a new bearing to the crank(which was a sealed type and removed the seal nearest the crank). cheers the noo Brian Link to comment Share on other sites More sharing options...
daveg Posted June 21, 2013 Author Report Share Posted June 21, 2013 hi,thanks for your help been in touch with c&d autos v.v.helpful will use again if i need parts for bsa's highly recommended.now all i need is a angle grinder and big hammer.cheers Link to comment Share on other sites More sharing options...
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