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Waverrunner engine problem

2007 Yamaha FX Cruiser High Output, having problems with the power of it. At times it will run at full RPM’s with the throttle fully pulled, and at times, with the throttle pulled, it runs at a lower RPM with less power. At times it bounces back and forth. I was thinking it was possibly the fuel filers clogged, but don’t know how to find it or what not. Thanks for your help.

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Ditto problems with a 2007 VX Cruiser. I have two and only one is giving me problems so I don't think its the gas (since I buy for both at the same time). I see no fuel filter between the tank and the injectors. Wondering if I have an injector problem Have used a bottle of fuel injector cleaner to no avail. Additionally, I have had to replace spark plugs with relative frequency in both VX Cruisers.

Posted on Jul 16, 2011

  • Mr Jimbo Jul 31, 2011

    I have the same issue: 2 2007 VX Cruisers, one runs at 6000 rpm and every once in awhile it kicks up to the full 8000 rpm. The other runs fine and I fill them both with the same gas at the same time. I'm wondering if there is an issue with the circuit board that controls the lo mode.

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Posted on Jan 02, 2017

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