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motor help
Posted: May 15th, 2011, 4:14 pm
by hillclimbjim
hillclimb motor,running fine in the shop ,cleans out great,reeds are good,under a load on the hill today just started spuddering and cutting out,switched coils,same thing happened on the next run.cdi or stator?
Posted: May 15th, 2011, 5:01 pm
by cr5004life
sounds like a jetting issue to me. under a load your bike will be sucking more fuel so its probably rich. hopefully im not wrong so these guys dont eat me alive
Posted: May 15th, 2011, 6:11 pm
by 2strokeforever
had a plug "go bad" even tho it was a nice tan color... that would be easy to check
kill switch too
Posted: May 15th, 2011, 10:00 pm
by JR650
My vote goes for a pinched/clogged fuel line, would take till the float bowl sucked dry to notice so it might not show up in the shop??
Posted: May 16th, 2011, 1:26 am
by craigf40
i would go with the plug as well
Posted: May 16th, 2011, 10:16 am
by hillclimbjim
new plug and carb is spotlless clean and checked after every race
Posted: May 16th, 2011, 4:58 pm
by Kuma
Do you have a stock gas cap or aftermarket vent?
I've seen issues with the aftermarket vents not vent, float bowl will run low under load, then when you check its all good, it's a bitch the first time, then it's something to look for.
Posted: May 16th, 2011, 7:23 pm
by Roostius_Maximus
emgo or other crappy brand of teather? had that happen alot, disconnected it and it worked great
Posted: May 16th, 2011, 10:00 pm
by 100hp honda
main jet. revs fine all day in the garage but no good in the real world
Posted: May 17th, 2011, 1:38 pm
by hillclimbjim
checked everything last night,no pinched fuel lines,cap is fine,coil is good,used this jetting for 2 years,41 pwk 175 60 1 1/2 dgh3,vp-chp,new plug, putting in a diffrent stator and cdi just to be sure
Posted: May 18th, 2011, 4:16 pm
by hillclimbjim
the tube where the main jet screws into is cracked at the base of the carb,not sure why or how
Posted: May 18th, 2011, 5:07 pm
by Roostius_Maximus
PJ carb? i bet i have a body if theres no one closer.
Sean probably has a walkway from the house to the garage made out of PJ carbs
Posted: May 18th, 2011, 5:32 pm
by hillclimbjim
pwk 41mm 2 seasons 45 passes up the hills,got it from cpw,calling tommrow
Posted: May 18th, 2011, 5:33 pm
by seanmx57
LOL, ed's97 in CT is closer and he has 4 like new ones........