1986 25hp Merc troubles

scurtis76

Cadet
Joined
Jan 29, 2008
Messages
9
Gentlemen,

I posted a few months back regarding intermitent issues with my engine. She runs half throttle (even when fully opend) and intermittently kicks in full throttle. Someone suggested replacing the ignition coils. I checked them both and found one with a broken magnet. It seemed like this would have been the issue but I just finally got around to getting her on the water and the problem persists. Again, she starts and idles great, but when you try to get going she only goes about half power. Then all of a sudden it will kick in and go fine. Then back down again. Some times it works fine, other times only half power. I replaced the fuel, filter and lines, as well as the plugs. Any suggestions?
 

Laddies

Banned
Joined
Sep 10, 2004
Messages
12,218
Re: 1986 25hp Merc troubles

Check the switch box with a DVA for outpot.
 
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