1989 50hp force issues

nedz19

Recruit
Joined
Mar 10, 2014
Messages
3
I have a 89 50hp force 50 a9c. It is extremely hard to start. After I get it started I get raw fuel out of the exhaust and it will not idle. I cleaned to carb and the needle seems to seat. Ran new fuel line and replaced the primer ball. Doesn't seem to take prime. The ball doesn't get as firm as I think it should. Any help would be appreciated
 

Frank Acampora

Supreme Mariner
Joined
Jan 19, 2007
Messages
12,004
Re: 1989 50hp force issues

Raw fuel out the exhaust could be a bad inlet needle and seat or it could be a ruptured fuel pump diaphragm. The diaphragm is all that separates the crankcase from the fuel pump so if it has a hole or is ruptured or torn, fuel can enter the crankcase by the pulse holes instead of being metered by the carb.

So, remove the pump and inspect the diaphragm and gasket. While you are at it replace them as preventive maintenance. 3 bucks for a diaphragm and a couple of bucks for the gasket--cheap fix if it solves the problem.
 
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