25hp Merc Dies when put in gear

madmarlin

Seaman Apprentice
Joined
Nov 6, 2005
Messages
48
Hi Guys, I have a mid 1990's model 25hp Mercury pull start. Problem is when motor is hot it idols and starts fine but when I put it in gear it dies. If I squeeze fuel bulb it will get it going then once revs are up it will continue to run fine. I am assuming this is a carb problem just wanted to make sure and if so is it possible to run some carb cleaner or something through it or does carb have to be removed and dismantled to clean it.
 

Wiggy

Petty Officer 2nd Class
Joined
Aug 16, 2005
Messages
130
Re: 25hp Merc Dies when put in gear

You can try a can of carb clean, but best one that is added to your fuel, as it then reaches all the parts of the carb. You should notice a difference.

Though the optimum is a full carb overhaul including the fuel pump.

Yeah, it sounds a carb problem.
 

deejaycee_2000

Captain
Joined
Mar 28, 2006
Messages
3,447
Re: 25hp Merc Dies when put in gear

I agree, do a full carb overhaul .... including the fuel pump ..
 

madmarlin

Seaman Apprentice
Joined
Nov 6, 2005
Messages
48
Re: 25hp Merc Dies when put in gear

thanks will try both as time permits
 
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