40hp merc 4stroke runs fine then starts loosing power

by Unknown

My 2011 bass tracker 40 hp four stroke mercury will start up and run fine for a while then it starts losing power and bogging down to nothing , You can immediately turn the key off and start it back and it will take off like nothing happened . Then after a while it will do it again ? I have replaced the fuel filter on the motor and also replaced the pump bulb. The motor is fuel injected. It ain't giving any alarms . Thanks

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Feb 10, 2020
Same problem
by: Maverick

I’m having the same problem with my 2016 40hp Mercury 4 stroke 3 cylinder. I lose power but get no alarms. Turning the engine off then immediately back on fixes the issue. You guys ever figure out the source?

Jan 18, 2020
Seapro 40hp stop running NEW
by: emmanuel

i have exaxtly the same issue on my 40hp seapro. Its run well and suddenly stop. Can start immediatly again. no alarm.Fuel seem fine. it not seems really to have rpm relation as it can stop on low speed either. I have 2 engines and both have same problem. they have only 70h run. As new.

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