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  1. Well, other than perhaps a more reduced maximum...

    Well, other than perhaps a more reduced maximum RPM limit, not sure what you are expecting from a custom Riva tune.

    Do you want the engine power (throttle and/or ignition timing) to be...
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    Yamaha dash speed readings are not terribly...

    Yamaha dash speed readings are not terribly accurate, especially since they deleted the paddle wheel sponsor from the ride plate. The displayed ’speed’ is based on engine RPM and calculated/estimated...
  3. Why are you thinking you need some sort of...

    Why are you thinking you need some sort of ‘custom’ tune for your SVHO with a Fizzle intercooler?

    Your configuration seems quite straightforward. Fizzle intercooler and normal air intake...
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    While I agree that the factory sealant on the...

    While I agree that the factory sealant on the transom plate often allows leaks into the hull, a transom plate sealant leak seems unlikely to be spraying water high up onto the top of the electrical...
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    Welcome. Have you confirmed the actual top...

    Welcome.

    Have you confirmed the actual top speed using a GPS app on smartphone?
    Or using a hand held GPS unit?

    What sustained maximum engine RPM does the dash show?

    What altitude and air...
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    What markings did it have? Photo?

    What markings did it have?

    Photo?
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    That Polaris part number 4010885 has an odd...

    That Polaris part number 4010885 has an odd history. IIRC that ‘part number’ also shows up on other Polaris factory re-programmed CDI which were typically marked with a second part number using a...
  8. What happens to the battery voltage when you...

    What happens to the battery voltage when you press Start and the engine begins to crank?

    Does the voltage instantly fall several volts, then continue declining as the engine cranks?
    When it stops...
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    Any time the distance from the hull transom to...

    Any time the distance from the hull transom to the jet pump exit nozzle is changed (such as adding a pump wedge) the length of the steering, reverse and trim rod ends will need to be adjusted.
    ...
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    Oh yes, welcome. Save this link, you will find...

    Oh yes, welcome.

    Save this link, you will find it quite useful.
    http://polarispwcknowledge.shorturl.com/first-things-to-do
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    The dash display should not go blank when the...

    The dash display should not go blank when the Start button is pressed.

    When you get a multi-meter, set it to DC volts and press the probes into the two battery posts. Not the cable ends, the...
  12. The tune does not determine the maximum sustained...

    The tune does not determine the maximum sustained engine RPM at WOT.
    The impeller does.

    The tune is selected to match the hardware upgrades, so the engine combustion runs in a ‘safe’ ratio of...
  13. With the Fizzle intercooler you have effectively...

    With the Fizzle intercooler you have effectively a Stage 2 upgrade configuration.

    So you would select a Stage 2 tune (Riva MaptunerX) to match the hardware upgrades. The Stage 2 tune will provide...
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    This is the Polaris Ficht factory fuel pressure...

    This is the Polaris Ficht factory fuel pressure regulator, mounted inside the stock fuel pump assembly.

    http://greenhulk.net/forums/attachment.php?attachmentid=484728&stc=1

    It mounts into the...
  15. This is our normal practice.

    This is our normal practice.
  16. Depends on the tow vehicle. Lots of lifted SUV...

    Depends on the tow vehicle. Lots of lifted SUV and pickup trucks used for towing.
  17. My previous trailer also had a trailer box...

    My previous trailer also had a trailer box aligned parallel to the trailer centerline.

    http://greenhulk.net/forums/showthread.php?t=265444&p=2891809&viewfull=1#post2891809
    ...
  18. Trip from cold winter to warmer region. In...

    Trip from cold winter to warmer region.

    In this case the PWC covers were kept in place while driving and did provide some paint protection. Pressure washing upon arrival cleaned the covers, and...
  19. http://greenhulk.net/forums/showthread.php?t=29162...

    http://greenhulk.net/forums/showthread.php?t=291620&p=3117788&viewfull=1#post3117788
  20. http://greenhulk.net/forums/showthread.php?t=29625...

    http://greenhulk.net/forums/showthread.php?t=296255&p=3164194&viewfull=1#post3164194
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    Perhaps you could post the PET 2100DXR tachometer...

    Perhaps you could post the PET 2100DXR tachometer dimensions here, so others looking for the same measurements can easily find it.
  22. Glad to hear you succeeded! Sometimes violence...

    Glad to hear you succeeded!

    Sometimes violence is required to overcome corrosion bonding between parts. Especially, but not only, with salt water PWC.

    Tip: CANDooPro makes a GPS accurate speed...
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    It may be water spraying from a cooling hose or...

    It may be water spraying from a cooling hose or water coupling, or a gasket leak. Can you ride with the seat off to observe the running engine?

    Or perhaps keep it fully strapped to the trailer,...
  24. Thread: Fuel issue Help!

    by K447
    Replies
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    486

    :-k ...

    :-k

    http://greenhulk.net/forums/showthread.php?t=292501&p=3125323&viewfull=1#post3125323

    http://greenhulk.net/forums/showthread.php?t=294488&p=3141507&viewfull=1#post3141507
    ...
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    Correct.

    Correct.
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