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Dominick, Marine Mechanic
Category: Boat
Satisfied Customers: 1009
Experience:  25 Years Experience as Mechanic, 20 Yrs Boat Yard Owner/Mechanic, Factory Certified
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I have a 21 ft sea ray cuddy with a 4.3 V6. Starts right up

Customer Question

I have a 21 ft sea ray cuddy with a 4.3 V6. Starts right up idles good gets up on plane runs great at 3000 to 3500 rpm but as soon as I open it up over 4000 rpm it starts to bog down
Submitted: 1 year ago.
Category: Boat
Expert:  Tan replied 1 year ago.

Hello. My name is Tan.

This is either fuel starvation or a dirty carburetor. Run the engine on a different fuel tank to eliminate a fuel restriction.

Have you changed the fuel filter yet?