100 hp MERCURY GONE BAD AGIAN

BigDaddyBrian

Recruit
Joined
Jun 6, 2010
Messages
4
Please help,my outboard lost bottom two cylinders.i replaced the stater and the power pack less than 10 hours ago.what should i be looking for now.it runs good at an idle,but doesnt have any power now.it is 1989 4 cylinder ,100 hp mercury.we put in river,ran really good for about a mile,maxed out at 5000 rpm,backed off in curves for safty and then gave it gas agian,that time it had no power,pulled spark plugs and bottom two were wet.what should i check now?
 

mike1245

Petty Officer 2nd Class
Joined
Mar 7, 2010
Messages
162
Re: 100 hp MERCURY GONE BAD AGIAN

get a spark tester and make sure you have good spark then check compression
 
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