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Hello, my name is***** will assist you today.
What RPM are you running when the motor slows down?
does your alarm system work in the boat?
Do you need to stop and restart the engine, or use the primer bulb or anything to get it going again?
Have you replaced the primer bulb with a good quality one?
Can you check the fuel pump?
On the fuel pump you would be looking at the check valves to see if they are still seating. The kit to rebuild it is only $25, so not a bad investment in the long run. The part number for it is 857005A 1.
Would you also please post the serial number of the engine, I need to look at a diagram from it.
Sorry, the fuel pump is square and bolted to the left side of the engine. Follow the main fuel line from the cowling and it will go straight to it. About 2" square.
Thanks. Do you also have a multimeter to do some electrical testing?
After you check on the fuel pump, we may need to look at the stator or the trigger.
Yes. That is where I would go in the shop. Since you can squeeze the primer bulb and get the motor to stay running, that is an indication of a weak pump.
No worries. Just reply back after you have a chance to get it done.