decon Posted October 23, 2015 Report Share Posted October 23, 2015 421 Cub has the following: -pro mod tranny by redline -billet basket -fast clutch -lock out -3 HD springs -shift shaft mod -shift star mod -EZ shift mod -pancake bearing Whole bottom half was shipped and inspected by Cam himself. Clutch fibers are in spec, eccentric bolt has been adjusted, Clutch has been adjusted several times. Just won't shift WOT, Not sure what to do at this point. Quote Link to comment Share on other sites More sharing options...
locogato11283 Posted October 23, 2015 Report Share Posted October 23, 2015 You mean at WOT with no clutch? Quote Link to comment Share on other sites More sharing options...
decon Posted October 23, 2015 Author Report Share Posted October 23, 2015 WOT with clutch Quote Link to comment Share on other sites More sharing options...
nastyracing Posted October 23, 2015 Report Share Posted October 23, 2015 Try a stock shift star on the drum instead of modded star. Quote Link to comment Share on other sites More sharing options...
n2otoofast4u Posted October 23, 2015 Report Share Posted October 23, 2015 Get rid of that star. Drop 2 teeth on rear sprocket. Quote Link to comment Share on other sites More sharing options...
possum Posted October 23, 2015 Report Share Posted October 23, 2015 Get rid of the hd springs. That may help. Quote Link to comment Share on other sites More sharing options...
locogato11283 Posted October 23, 2015 Report Share Posted October 23, 2015 Ryan's 10mm Serval has a lockup and Pro-Mod and it shifts like butter. Quote Link to comment Share on other sites More sharing options...
decon Posted October 24, 2015 Author Report Share Posted October 24, 2015 Put in 3 stock springs, shifts fine now. He had all 6 HD, thanks fellas. 1 Quote Link to comment Share on other sites More sharing options...
possum Posted October 24, 2015 Report Share Posted October 24, 2015 (edited) Boom. You're welcome Edited October 24, 2015 by possum 1 Quote Link to comment Share on other sites More sharing options...
sheerider11 Posted October 24, 2015 Report Share Posted October 24, 2015 Put in 3 stock springs, shifts fine now. He had all 6 HD, thanks fellas.I dont know. My bike slipped bad on the dyno with 3 stock springs. I would think a cub would as well. Quote Link to comment Share on other sites More sharing options...
decon Posted October 24, 2015 Author Report Share Posted October 24, 2015 Even with a lock out? I'm running 3 HD & 3 Stock springs in my Cheetah. I think the issue with the 421 was 2 sets of different HD springs. One set was Toomey, the other set is unknown but they were very tough springs. Quote Link to comment Share on other sites More sharing options...
sheerider11 Posted October 24, 2015 Report Share Posted October 24, 2015 Even with a lock out? I'm running 3 HD & 3 Stock springs in my Cheetah. I think the issue with the 421 was 2 sets of different HD springs. One set was Toomey, the other set is unknown but they were very tough springs. I skipped right over the lockout part. Carry on. Quote Link to comment Share on other sites More sharing options...
JTmachining Posted October 25, 2015 Report Share Posted October 25, 2015 Put in 3 stock springs, shifts fine now. He had all 6 HD, thanks fellas. Where did dis TNT go down at lol 1 Quote Link to comment Share on other sites More sharing options...
decon Posted October 25, 2015 Author Report Share Posted October 25, 2015 Where did dis TNT go down at lol In da hood homie lol Quote Link to comment Share on other sites More sharing options...
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