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Johnson 30 hp 92 modtrouble when warm

edvin61

New member
"I just bought this motor,and

"I just bought this motor,and tried it on the boat,when cold it speed normally,and planes,but after some minutes,it will not increase low speed,and jump like a rabbit. Water is good out of both pie and exhaust,but white smoke or damp seem more than normal to me. Could temperature switsch cause this,maybe related with a bad thermostat? Checked fuel filter,and tried different settings on carburetter,but make little difference.Ignition plate seem to move smooth as well.The motor worked allright by last owner,but at least a year ago.Have somebody an idea? I would be very grateful."
 
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