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  1. #1
    SHO Rider's Avatar
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    Supercharger question

    Just purchased a FZS and I've been reading all the supercharger posts regarding failures. What should I be doing to help it last? Will using energy conserving engine oil make the clutch slip more like it would in motorcycles with wet clutches?


  2. #2
    Do not use oils with friction modifiers. Yamalube is great oil and lots of us use it. Amsoil marine (no friction modifers) is also good oil.
    What year fzs?ocean or lake??

    Even with all the issues I had, my initial clutches lasted 56 hours each without wrecking anything but them selves. I run the piss out of my ski and have had a c3 wheel and many mods for all bit 10 of 120 hours. A blow off valve is a good idea to help reduce clutch load during rapid deceleration. Just a bit of throttle control can go along way. I believe someone has over 100 hours on each of his fzs' with out issue (can remember his name...)

    Enjoy your ski.

  3. #3
    lets race.... mikeFZR's Avatar
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    There are many many many members here with well over 100 hours with no issues, myself included. If you are keeping the ski stock or mostly stock, yamalube is a great choice.

  4. #4
    wotxxxsd's Avatar
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    To preserve the clutches don't run wot and immediately let off on the throttle.
    Try not to release the throttle all at once. That back pressure from a rapid throttle release shortens the life of the charger.
    Same with wave jumping at wot...
    Other than that keep her wot......

  5. #5
    r33pwrd's Avatar
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    Supercharger question

    Do you plan to mod?

  6. #6
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    rev limiter is without a doubt what kills the clutch. like hole shot and cavating bumping the rev limit or in rough water with the rev limit engadgeing and reengadgeing over and over.
    I have about 300 hrs with many passes at wide open and always dead let off with no problems. if its hitting the rev limiter let off a little and it will last alot longer.

  7. #7
    r33pwrd's Avatar
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    Supercharger question

    Quote Originally Posted by Rocketman View Post
    rev limiter is without a doubt what kills the clutch. like hole shot and cavating bumping the rev limit or in rough water with the rev limit engadgeing and reengadgeing over and over.
    I have about 300 hrs with many passes at wide open and always dead let off with no problems. if its hitting the rev limiter let off a little and it will last alot longer.
    Is there anyway to soften the rev limiter on these? Do you think a bov helps or is a waste of money?

  8. #8
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    Quote Originally Posted by r33pwrd View Post
    Quote Originally Posted by Rocketman View Post
    rev limiter is without a doubt what kills the clutch. like hole shot and cavating bumping the rev limit or in rough water with the rev limit engadgeing and reengadgeing over and over.
    I have about 300 hrs with many passes at wide open and always dead let off with no problems. if its hitting the rev limiter let off a little and it will last alot longer.
    Is there anyway to soften the rev limiter on these? Do you think a bov helps or is a waste of money?
    No way on revlimit. I have never run a blow off valve so I have no experience to share

  9. #9
    YAMAHA POWAAAA !!!!! 1_Fast_SHO's Avatar
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    Quote Originally Posted by r33pwrd View Post
    Quote Originally Posted by Rocketman View Post
    rev limiter is without a doubt what kills the clutch. like hole shot and cavating bumping the rev limit or in rough water with the rev limit engadgeing and reengadgeing over and over.
    I have about 300 hrs with many passes at wide open and always dead let off with no problems. if its hitting the rev limiter let off a little and it will last alot longer.
    Is there anyway to soften the rev limiter on these? Do you think a bov helps or is a waste of money?

    BOV helps, my clutch lasted 190 hours.

  10. #10
    Jarrett's Avatar
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    You should talk to VinceC here. He has over 300 hours on his stock clutch.

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