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Boat takes off fine.Runs wide open then all of a sudden backs off a few hundred RPM,then goes aways ,then goes back to full RPM. Last two tanks have been gas with no ethanol and plugs changed end of last year.Merc. 200 HP Optimax

Thanks,Mark

Submitted: 186 days and 23 hours ago.
Category: Boat
Value: $18
Status: AWAITING CUSTOMER ACTION
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Posted by Jeremy Railsback 186 days and 15 hours ago.

Info Request

Hi XXXXXXXXXX. Thank you for asking your question on JustAnswer. <br/> The other Experts and I are working on your answer. By the way, it would help us to know:

<br/><br/>

-What make is your Boat ?<br/>

-What model is your Boat? <br/>

-How many horsepower is your Boat?<br/>

-What have you already tried?<br/>

<br/>

Thank you again for trusting us with your problem. Please reply as soon as possible so that we can finish answering your question.

186 days and 1 hours ago.

Reply

Sugar Sand,Mirage 18,200 Hp Optimax,Differant Gas,Oil,New Plugs

Answer

Ok

well i would run it off an aux gas tank with new fuel lines

if it still does it we know it is on the motor and not the fueling system

to me it sounds like the vst filter is clogged

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Expert: Jeremy Railsback
Pos. Feedback: 100.0 %
Accepts: 673
Answered: 9/16/2009

MarineTechnician 10+ Years

Yamaha, Mercury/Mercruiser, Honda, Suzuki, Volvo-Penta, Kawasaki, Seadoo, Polaris factory certified

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