Maintenance & Technical > KX500 Original

Cant get 85 kx500 fired up after top-end rebuild?

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Motorrad:
does fuel come out the Pedcock?     Have seen several of those Gunked up latly.  crappy new fuels..
also the old Nylon fuel filters melt together to not pass fuel with the new crappy fuel

rumpelstiltskin:
Yes,tested fuel is getting to carb,then checked fuel was coming out float needle by removing floats,then noticed that fuel is reaching reeds,that's where the trail stops lol,doesn't reach the spark plug d**nit!

dave916:
try blocking the rear of the carb with the palm of you hand while kicking it over  to see if it is sucking air ,
if no induction could be bad air leak ,ie intake manifold , boost bottle , crankcase leaking,
if good induction may be worth double checking the carb , pilot and choke circuit

rumpelstiltskin:
Pulled the stator casing then the flywheel and couldn't believe it,the woodruff key(flywheel key) had sheared in two,half of it in the flywheel and half of it in the crank shaft!!Strange to as i've always got a good strong spark so wasn't even thinking about electrics.This doesn't solve the fact though fuel isn't getting drawn up to the spark plug though from the reeds!

Motorrad:
Funny.  That was going to be the first thing I was going to say.. But didn't..

Had same problem with my Stewart motor when I got it back

Get some valve lapping compound and lap the flywheel into the crank.. Or it will happen again..


Also.  Just because the plug isn't wet.  Doesn't mean it's not getting fuel...

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