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2004 115 txr 4 stroke

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  • 2004 115 txr 4 stroke

    I am having problems applying power and maintaining power, idle is great, cold starting great, but once on the water there is power hesitaiton and sputtering. I have a friend with a similar motor, with similar problem, he had the VST and high pressure pump screen cleaned to fix a similar problem and I can't find any of these on my engine. Is there a VST on a 2004 115 TXR 4 stroke, Any help would greatly be appreciated.

  • #2
    If its a four stroke then yes it's fuel injected. What is the model number?
    Regards
    Boats.net
    Yamaha Outboard Parts

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    • #3
      F115TXRC - I have the parts listing, but do not see a Vapor Seperator tank, All I can see on the parts listing is a low pressure fuel pump, Were is the highpressure pump and VST on this motor?

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      • #4
        It's behind the intake manifold,
        2004 F115TLRC Yamaha Outboard FUEL INJECTION PUMP Diagram and Parts
        Regards
        Boats.net
        Yamaha Outboard Parts

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        • #5
          how do you get at the VST?

          Is there a trick to getting at the highpressure fuel pump and VST? Do you have to remove the intake manifold?

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          • #6
            You will have to remove intake.
            Regards
            Boats.net
            Yamaha Outboard Parts

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            • #7
              I have the VST and pump assemble off, any suggestions on fluids to clean, TANK, Screen and pump?

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              • #8
                yamaha combustion chamber cleaner works about the best I have tried.

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