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1992 Mercury 4cyl 2 stroke fouling

jofa928

New member
"Hi,
Would rev limit cause th


"Hi,
Would rev limit cause the engine to run richer and foul plugs faster ?
My tell tale is too hot to keep your hand under and may be the cause of the rev limit.
Also, I acidently mixed synthetic two stroke oil with standard oil, could that cause excessive fouling ?
I have 4 very wet brown looking plugs after two short runs, then it won't start or run until I change or clean the plugs. The engine has good compression in all cyl.
I measured 9VAC on the send wire to the tach from the coil, spark seems very strong."
 
to hot pisser
-lean
-t-stat


to hot pisser
-lean
-t-stat not working
-clogged cooling passageways
-impeller going out
-wrong spark plugs
-poppet not working
 
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