Maintenance & Technical > KX500 Original
suddenly too rich
matzilla:
when it started doing this and i started looking at jetting i pullud the carb apart and cleaned it and cleaned the jets. slide closes all the way too. i am going to tear it out again tonight and dismantle the carb and soak it in the chem dip. while i'm there i"ll pull the reeds and inspect them too. i wonder if filter oil could get into the pilot air circuit and clog it partially making the pilot rich by not mixing right. frustrating having to work all day first when this is on my mind.
ktmdude:
The filter oil could be it. Good luck
k5abuser:
try the vent tube and ck the fly wheel to see if it sheared the keyway
dave916:
check the choke circut on carb, remove the choke plunger to clean, could just be little dirt under the plunger which make it run rich ,
matzilla:
funny you mention the vent tube. the only other change i have made was routing the bowl vents up to the air box. is it possible for this to affect float levels or create some kind of pressure drop in the bowl?
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