Could not get to full power on Yamaha F115

[T-Bro]

When I was using the boat this summer, I had a problem where even with the throttle advanced all the way, I could not get the tach beyond 5000 RPM. Normally, it gets to around 5700 and I do around 39-40mph. Seems like the fastest I was going was 25 mph. I changed the fuel filter and got no improvement.

Is there a VST issue I should get checked out?

Thanks,

Todd

 

[CaptainJim]

When I was using the boat this summer, I had a problem where even with the throttle advanced all the way, I could not get the tach beyond 5000 RPM. Normally, it gets to around 5700 and I do around 39-40mph. Seems like the fastest I was going was 25 mph. I changed the fuel filter and got no improvement.

Is there a VST issue I should get checked out?

Thanks,

Todd

is your bottom paint fouled with barnacles? have you changed your fuel filters recently?

 

[T-Bro]

Jim,

The boat is bottom painted and is in good shape. Because it is trailered, I have no barnacles.

I did change the racor filter and this did not help the problem.

Thanks for your suggestions.

Todd

 

[Totally Hooked]

sounds like the vst filter change that and you should be back up there to 5700

 

[T-Bro]

Thanks!

Todd