HELP......I have a 1989 Mariner on my bass boat. The motor is starting but idling rough. There is a large amount of smoke (2 stroke oil)coming from the exhaust when starting the motor. When the motor is put into gear it usually stalls. When it does run, it is extremly sluggish and will only go about 10 miles per hour. This problem occured after storing the boat for about 10 months without starting it..........if you feel you know what my problem is PLEASE RESPOND. THANKS FOR YOUR TIME.