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triumph cub


FISCHBACH
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Nicolas,

you don’t really need an R Cam for trials as they make the motor have less traction and response from low revs. 
 

However I have R cams fitted to both of my trials Cubs because I wanted slightly more power. 


If you do fit an R cam (if you can find one!) you will need different valve clearances. 

It is possible to fit a distributor type camshaft into a side points engine if you carry out some modifications
 

Hope this helps 

 

Bruce. 

Edited by brucey
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I run my  cub with the standard cam as I found it harder to start and if going over a ridge where you shut off it would stall I built the engine in a verity of specs High comp pistons low comp pistons with and without the R cam I run high comp piston standard cam If can climb Scottish hills it is fine 

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