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Dominick
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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2004 Mercury optimax 90 hp. Oil injected. Gas is coming out

Customer Question

2004 Mercury optimax 90 hp. Oil injected. Gas is coming out of exhaust and it idles rough. Boat runs very well as higher speeds. Just had new plugs in.
Thanks
Vince
Submitted: 11 months ago.
Category: Boat
Customer: replied 11 months ago.
After looking I can't tell if has is coming out exhaust.:. I see some around water intake also. There is also gas/oil towards front of engine where hose comes in under oil tank
Customer: replied 11 months ago.
after running at slow speed and turning motor off its seems like the engine is flooded when attempting to restart and there is a strong fuel smell. The engine will restart after waiting a few ninutes
Expert:  Charles replied 11 months ago.

Ok, you also mentioned fuel dumping from some place?

Customer: replied 11 months ago.
There was fuel in the water and when I lifted my motor out of water fuel/oil dripped of the motor into water
Expert:  Charles replied 11 months ago.

With the hood off, can you see about where it is coming from?

The fuel and oil do not mix on this engine until the cylinder.

Customer: replied 11 months ago.
I really can't tell for sure but thee are wet hoses going into the engine. . I honestly don't know if it's gas, oil or both
Expert:  Charles replied 11 months ago.

The pic is too close, I cant really see anything.

Customer: replied 11 months ago.
There are two hoses entering back of engine right below cowl and They are wet.
Customer: replied 11 months ago.
It also looks like the air filter has oil on outside cover. Tell me what pics I can send to help
Expert:  Charles replied 11 months ago.

Move back jut a bit. My system totally blows the pics up.

Customer: replied 11 months ago.
I'll take new pics in the mourning
Expert:  Charles replied 11 months ago.

Thanks

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