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50 hp mercury 4 stroke big foot 2002

laburton

New member
"Sorry I will clearify problem

"Sorry I will clearify problem, when throttle is pushed to wide open engine dies out, have to pull throttle back almost to half throttle for it to stay running. Also has shutter at many different speeds"
 
"Hi,you dont need to start a n

"Hi,you dont need to start a new thread if its a carry on of the same subject,by the same person.when you say "shutter" do you mean shudder,as in vibration,or is the engine missing,ie one cylinder not firing.id check your fuel supply flow/pressure/cleanliness/.renew your spark plugs,or book it in to a boat shop"
 
Have you tried to prime the fu

Have you tried to prime the fuel bulb when on the fly?

Pump the bulb when this phenomenen happens again. Might nail the problem.
 
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