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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 Yamaha f150 that is spewing gas from the exhaust. I

Customer Question

I have a Yamaha f150 that is spewing gas from the exhaust. I have examined all the fuel lines, cleaned the injectors, changed the spark plugs and flushed the vst. the motor runs fine at high speed but rough at low speed.
Any ideas
Submitted: 2 months ago.
Category: Boat
Expert:  Jason replied 2 months ago.

Hi Wayne, good morning my name is Jason.

Have you checked the engine compression and fuel pressure yet?

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