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mrm2083
05-22-2010, 11:03 AM
My boat has been sitting for about 5 months being started once a month and it is now idling rough until it reaches operating temperature. It's an 06 rtp-1 engine. Any ideas as to the cause?

onejdgreen
05-24-2010, 12:38 PM
Fouled plugs. If you just started it and didnt get it up to operating temp it will foul the plugs, especially if you are running a ethanol blended fuel.