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1988 60HP Mercury

jvkeys

New member
Why does the primer ball go flat on a 1988 60HP Mercury. checked and adjusted all fittings, changed tank and fuel lines, checked and adjusted carborator.
 
If it's just going a little soft that's normal, but if it's actually getting sucked tight (totally flat) you have some kind on restriction between the bulb and the tank.

Could be something as simple as not opening the vent enough on the tank (if portable) or a bad anti-syphon valve or blocked breather if it's a built-in tank...
 
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