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My Merc outboard has problem


linweir

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Recently my 50 HP Merc has a problem.

I can start it easily. Under low speed such as trolling speed, it ran OK. However, under faster speed, it sputtered, then slowly stopped.

Seems motor couldn't provide fuel under fairly high speed.

I changed fuel line with bulb, fuel filter inside, plus filled some new gas in, but issue still there.

 

I am not sure it's related to fuel or electronics, or..? Any suggestion.

 

The motor is year.2008 4 stroke EFI.

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Had my 2006 do the same. Ran fine at lower speed put the throttle down runs for a few min then sputters and sometimes dies.

Throttle back no issue.. Tried the same you did bulb, gas, filter,etc

 

Was electrical issue drawing more that the battery could output.

 

Replaced battery with bigger battery problem solved.

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