Maintenance & Technical > KX100 / KX85 / KX80 / KX65 / KX60
Kx85 going thru cranks
DoldGuy:
Where did the "C12" head come from? P-C has a tendency to deck the cylinders, possibly your MSV is causing rod failure. Just thinking out loud here.
DoldGuy
SHLEPY:
any one ask what oil ratio....just askin.
85#371:
Yeah the head and cylinder came from PC it came with a head made to run mrx-02 but at 30$ a gallon we got a different head to run c-12 from them.
85#371:
Symptoms of worn crank seals? Why and what would make it sputter at higher rpms that would be crank related?do these bikes have a keyway on the crank for timing that could be worn? I have the same bike stock that we can swap parts with if there's any suggestions. I would like to find the root of the problem instead of just throwing cranks in it every 15 hours. I don't beleive the last crank was bad neither did my mechanic that changed it. How to tell if there was a problem with the last crank? Maybe it was just seals and I didn't need to change the crank out?
85#371:
What is MSV? What about crank breather on the 85 could it be clogged I doubt it because we just put a new clutch in it before this happened this time and all the tranny oil leaked out and then we replaced it? I'm trying to think of all possibilities
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