Maintenance & Technical > KX500 Original
Help Tuning, no idle
alward25:
What Tuck and Foxx said, if your crank seals, intake or base gaskets are sucking air, it will not idle.
bandit88:
I was suspecting that, but the thing that had me stumped is that bad crank seals usually make it run lean, in my case its super rich. Gonna start the tear down tonight.
Foxx4Beaver:
--- Quote from: bandit88 on April 04, 2016, 05:55:29 AM ---I was suspecting that, but the thing that had me stumped is that bad crank seals usually make it run lean, in my case its super rich. Gonna start the tear down tonight.
--- End quote ---
not if it's a clutch side crank seal....this is what Tuck was referring too in his post....it'll suck tranny fluid, which in return, will cause it to run rich.
If it were a magneto side seal...all it would have to suck, is air....and be critically lean.
bandit88:
Thanks guys. Just needed a little confirmation. Just ordered bearings, seals, gaskets, case splitter, and some other stuff. Pulling the motor tonight. If I am ambitious it will be done by the weekend. Also tempted to order all new KIPS valves just to be sure everything is as good as it can be. Those little drums are pricey though!
Foxx4Beaver:
I wouldn't worry about the side valves too much...I would concentrate on getting new O-rings for the aluminum collars/guides for the valves, and get a new seal, new guide and O-ring for the governor rod(behind the little plastic KIPS cover on the right side).
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