Tohatsu MFS50A intermittent power loss

[Platypus E65]

I've got a 2015 MFS50A tiller model that has been used for a little over 200 hours. Just recently it started to feel like it has a minor power loss while cruising at mid to upper rpm that last for a couple seconds each time it happened. The last time I noticed it happening it lasted a lot longer than a few seconds and that happened after I switched over to another 12 gallon gas tank. Fuel line has a new water separator that I installed a couple weeks ago but I didn't have an extra so I ran the motor without one for a couple days until the new water separator arrived in the mail. I did switch out the prop a few weeks ago that hit some ice a couple times, enough to have the motor turn off by itself but, I don't know if that would be relevant. Any ideas on why it would lose power intermittently?

 

[Sea Rider]

Before hitting the ice several times, was the motor running strong an even at speed ?

Happy Boating​

 

[Platypus E65]

Before hitting the ice several times, was the motor running strong an even at speed ?

Happy Boating​

Yes, as far as I remember it worked fine until the last couple times I used it.

 

[MattFL]

Does squeezing the ball continuously prevent the problem? I'm wondering if you have an air leak somewhere in the gas line between the tank and the fuel pump.

 

[Platypus E65]

Does squeezing the ball continuously prevent the problem? I'm wondering if you have an air leak somewhere in the gas line between the tank and the fuel pump.

I didn't even think of squeezing the bulb when the problem arose because it only lasted a couple seconds each time until the last time when it lasted for more than a few seconds. I'll try switching out the prop and if the problem persists I'll try squeezing the bulb when it happens.

 

[Sea Rider]

Priming the bulb only works well when the motor tends to die of fuel starvation, if priming again and again repetitively and the motor springs back to life each time , the fuel pump its working all right.

If you squeeze hard the bulb till firm as a rock, check if there's any fuel spills at both connectors sides, if any there's no air leak at least on the entire fuel line.

Happy Boating​