1988 Evinrude sp88 fuel prime loss

appleo

Petty Officer 1st Class
Joined
Jul 19, 2012
Messages
388
Engine works ok.
I squeeze the prime bulb before starting
Choke it.
And usually starts right up after a few grinds

Issue is I am out on the lake fishing for an hour. and it loses the prime. i must squeeze bulb to get it firm. it then will start .
I find zero leaks in the line or connector . it’s an below floor tank.

ideas?

thanks,
 

racerone

Supreme Mariner
Joined
Dec 28, 2013
Messages
37,678
The bulb does NOT stay hard once motor has started.---And it does not need to be hard..
 
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