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1993 8 hp 2 stroke bogging down

rwhiteside1

New member
I have a 1993 8 hp Johnson. It is a 2 stroke. It runs ok, at slow speed. When I increase the RPMS it bogs down and smokes. I tried new gas, with synthetic oil. That did not help. Any suggestions
 
Try this procedure before rebuilding the carb. Run the engine w/o the fuel line until it runs out of gas. Stick the tank end of the fuel line into a can of Seafoam and pump the carb full of it. Let it soak for 24 hours. Reconnect the fuel line to the tank. Start it and let it run at 1/3 throttle in a tank or w/muffs until it stops smoking. Adjust the idle mixture per manual specs. If it doesn't improve greatly rebuild the carb.
 
No. It will burn like fuel and smoke heavily until it is gone. It will actually help decarbon the cylinders.
 
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