1999 johnson 115 hp misfire

[wpope]

have 1999 johnson ocean pro 115 hp bad misfire under pressure. New spark plugs, carbs clean, fuel syatem clean, will run on water hose but in water under pressure bad misfire, all cylinders firing. Could it be power pack or bad ignition switch

 

[jones56]

Re: 1999 johnson 115 hp misfire

Did you firgure out what was wrong ? Why was it misfiring?

 

[boobie]

Re: 1999 johnson 115 hp misfire

This post is almost 6 yrs old. Read the rules at the top of the forum.