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  1. #1

    Polaris Virage - Enging problem in reverse - Help Appreciated

    Hi Folks.
    Great Forum. Leo here from Downunder.. Have a wierd problem that when I move the Lever to Reverse and give it throttle the engine seems to run hi and low like its loosing power, then regaining, then loosing then regaining etc. Until I put it back into forward and the engine runs fine. The up and down of the engine will continue only while in reverse and only when I give it throttle.. Any help greatly appreciated. Thanks. Polaris Virage 2000 model Jet Ski.


  2. #2
    casey67's Avatar
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    Welcome to Green Hulk Leo !

    Which model Virage do you have ( Virage-Virage TX or TX I ) ?

    My guess is TXI

  3. #3
    Hi Casey67, its the TXI model.
    Thanks
    Leo

  4. #4
    casey67's Avatar
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    Well , the reverse system on the TXI will drop the RPM to " simulate nuetral "

    How you "simulate nuetral" on a direct drive propulsion system confusses me,I'll need to do some reading inorder to help.
    I hope K447 see's this thread ,he'll probably be more helpfull with the electronics.

    More answers will come soon.

  5. #5
    Thanks for the info so far Casey67. Any further info you can find would be great. Cheers Leo

  6. #6
    Connecticut CrazyA's Avatar
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    Quote Originally Posted by LeoPenn View Post
    Hi Folks.
    Great Forum. Leo here from Downunder.. Have a wierd problem that when I move the Lever to Reverse and give it throttle the engine seems to run hi and low like its loosing power, then regaining, then loosing then regaining etc. Until I put it back into forward and the engine runs fine. The up and down of the engine will continue only while in reverse and only when I give it throttle.. Any help greatly appreciated. Thanks. Polaris Virage 2000 model Jet Ski.
    Quote Originally Posted by LeoPenn View Post
    Hi Casey67, its the TXI model.
    Thanks
    Leo
    Hi Leo. Welcome to the Hulk!!!
    The Virage TXI wasn't introduced until model year 2001. The Virage TXI implements a rev-limiter switch when in reverse. It's normal.

  7. #7
    Click avatar for tech links/info, donation request K447's Avatar
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    If you have a Polaris Ficht fuel injected engine, of any model or year, then when the reverse lever is in the Neutral of Reverse positions, the EMM will limit engine RPM to a maximum of 3500RPM.

    The Reverse message will appear on the display, and I think the Red lamp on the display also lights up. There is an electrical switch on the reverse lever mechanism that tells the EMM when the lever is moved out of the full forward position.

    The RPM limiting is intentional, and is intended to maximize reverse thrust. If more engine power was allowed in reverse, the water underneath the hull (where the jet pump intake is located) would become aerated, and the jet pump would not be able to produce much thrust, despite the high engine RPM. Jet pumps can not produce effective thrust if the intake water has air bubbles.

    On my own Virage TXi, the RPM limiter holds the engine RPM very close to 3500, but the engine sounds strange as the EMM alternates between cutting power to the cylinders and re-enabling them.

    Note that reverse is designed for slow speed maneuvering only, such as around docks and launch ramps. The steering acts differently, and thrust is limited, not just by engine RPM, but also by the nature of redirected jet pump thrust.

    The Virage TXi was produced only for the 2001 and 2002 model years in North America. You can check your model year - look at the last two digits on the HIN number plate on the rear deck.

    For more info an all Polaris PWC models/years click
    Polaris PWC model overview

    Click here for information related to the newer generation models (Virage, Genesis, MSX 140)

    You may also find this useful;
    How to repair a stiff or jammed Reverse lever on Virage, MSX, Genesis
    Relieves the binding inside the reverse handle mechanism

  8. #8
    Folks,
    Thank you very much for the great response. It makes perfect sense and I should have realised.
    Great to know there is nothing to worry about!

    I'm really happy I found this forum. It is EXCELLENT.
    Thanks again all!

    Leo

  9. #9
    Just snoozin' on the couch M447's Avatar
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    Welcome to the forum

  10. #10
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by LeoPenn View Post
    Folks,
    Thank you very much for the great response....

    I'm really happy I found this forum. It is EXCELLENT.
    Thanks again all!

    Leo
    Post up some photos of your Polaris, and where you ride.

    Stick around - lots to learn, and a good group of guys and gals too.

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