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Guys - just rebuilding my 500 pre-unit triton and have a question about the cam timing.

The bike was built with E3134 cams inlet and exhaust. The bottom end is a T100 with an iron barrel and the head is a twin carb (I think from a T100R).

With these cams fitted I am guessing that I should not use the timing marks on the standard wheels but have to dial in different cam timing. Is there a 'standard' setting for moving the teeth timing on this convertion to E3134's?

Appreciat your help

Thanks

Jamie
 

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You shoud degree the cams in using a dial indicator and a degree wheel. Measure where the intake and exhaust opens and closes using the various keyways (remember you can move a tooth as well as a whole keyway) and compare it to what the abovementioned data sheet is. When in doubt calculate lobe centers because cams will rarely if ever degree in exactly as on a manufacturers card. Yiou just gotta go with the best option.
 
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