Quote:
Originally Posted by smokinrider
no problem, its just the plug on my dr is black as your hat and it pops like a chinees firework factory on fire. it looks great though when it spits flames out. the poppings due to the unburnt fuel ignighting in the hot exhaust.
you seem to know your stuff so i wont drone on,
do a plug chop and check the plug colour, adjust main jet as required,
set the tickover up then fiddle with the pilot screw( Jesse @ keintech might be able to get you a t screw one of these so you dont have to keep taking the carb off to get to it) to get the highest rpm on tick over then readjust the tickover screw to get that set to the right rpm. ride it and depending on how it feels up or down on the needle to get it smooth.
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Having raced two stroke enduro bikes I know about plug chops.
Yesterday I did exactly as you described above and the idle cleaned
right up beautifully, very smooth.
I still think I may be just a tad rich so I'm going back to the stock pilot (42.5 on US 49 state model) I've got a 45 in there with two shim on the stock needle. It actually runs very well, no jumps in power, smooth linear. But overall power, I think could be better.
It starts from cold with no choke, so maybe its a bit rich?
Cheers!
Patrick
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Patrick passed Dec 2018. RIP Patrick!
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