'96 Force 5hp NO COLD START

[timmeraw]

I have this nice little very low use '96 Force 5hp(made in Mexico) that will not start cold. If I squirt a little pre-mix fuel into the plug hole it fires right up on one pull and runs great. Once warm it restarts every time. As soon as it sits and gets cold it won't start.

I have replaced the fuel pump gaskets/diaphram and the cleaned the carb and replaced the flange gasket. I even pulled off the reed housing behind the carbs and inspected and cleaned the petals etc. It has great spark and compression btw.

There is a push button primer on the motor that the instructions say...pull the choke and pump the primer one time to start. Could that be the problem...that is...when that is pumped does it draw fuel into the carb and the crank case and could it possibly be defective with a pin hole in it or something?

Priming it isn't that big an issue but for the fact the the cowl has to be removed which also has the starter recoil through it and using a plug wrench and carrying around a squirt bottle with pre-mix ...its all too inconvenient.

Great little motor when it starts.

Ideas please.

Thanks,
Tim

 

[pnwboat]

Re: '96 Force 5hp NO COLD START

Like you said, could be that the primer bulb (#3 in the diagram below) may have a hole in it, or maybe a crack in the rubber. Try pumping the primer bulb multiple times to see if that has any affect. Also check the hose that goes to the primer bulb.

Mercury & Mercruiser Parts, BOTTOM COWL AND SUPPORT PLATE, 5 H.P.

 

[jerryjerry05]

Re: '96 Force 5hp NO COLD START

Take it apart and test the primer.
It should push fuel on the first push after the squeezie has been pumped up.
Like PNW said,try priming a few times.

 

[timmeraw]

Re: '96 Force 5hp NO COLD START

I really wish I had ordered the primer button from Crowley when I just ordered the fuel pump kit and carb gasket....woulda saved myself the $10 in shipping again. Maybe I can find one to use at one of the small engine repair places....lawnmowers and snow blowers and other small engines use them right?

 

[pnwboat]

Re: '96 Force 5hp NO COLD START

Yes, many small gas engines have similar primers and work on the same principle. Just need to find one that fits, or one that you can adapt to your particular application.

 

[PoorBaylinerGuy]

Re: '96 Force 5hp NO COLD START

Dont go buying any lawnmower dealers primers i did and it cause my carb to overflow alll over the place it drove me crazy!

 

[jerryjerry05]

Re: '96 Force 5hp NO COLD START

Yea like poor says, don't use a generic. The only way to go is get the right one.
I've tried using something that looked almost the same ??? Just wasted my $$$$