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  1. #1

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    Input needed please - Lost boost

    I tried to do a quick search just running short on time this morning. I have a 2009 FZR SHO. I was doing some ocean riding over the weekend. The end result is loss of boost. I have no lights or indications that anything is wrong on the dash. I have an upgraded SC wheel approx 15psi boost, upgraded IC, high flow exhaust, ribbon delete, Flashed PCM for my mods, and high flow intake.

    My indications are:

    Loss of power
    Top speed 47mph
    No sound of the SC spooling
    No blow off valve sounds when releasing the throttle (As usually would hear)
    No indicators on the dash
    No alarms
    No abnormal noises in the engine bay
    All hoses and such appear to by tight and in place with no damages.
    No smoke or oil

    I can't think of any other things to add. I was just curious as to what people have seen before I start pulling things apart. I did hear it's a possible SC clutch issue.

    Thank you in advance for any help. I appreciate it.


  2. #2
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    clutch went out most likely.


  3. #3

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    So I pulled the sc. the gears are missing many teeth. Mostly the gears closest to the block are missing teeth.

  4. #4
    enforcer's Avatar
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    Quote Originally Posted by Borden72 View Post
    So I pulled the sc. the gears are missing many teeth. Mostly the gears closest to the block are missing teeth.
    you'll need to pull that motor and get all the shavings out.Time for an overhaul my friend. Hopefully no damage ocured to the crank bearings....

  5. #5
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    not common on a 09 to break teeth, you must of really been riding some rough water and staying on the throttle to do that.

  6. #6
    THE PLATE MAN JIM'S PERFORMANCE's Avatar
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    Quote Originally Posted by enforcer View Post
    Quote Originally Posted by Borden72 View Post
    So I pulled the sc. the gears are missing many teeth. Mostly the gears closest to the block are missing teeth.
    you'll need to pull that motor and get all the shavings out.Time for an overhaul my friend. Hopefully no damage ocured to the crank bearings....
    +1

  7. #7
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    Maybe it had a 2011 spec clutch

  8. #8
    HydroFool GPRSHO thomaswester's Avatar
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    Quote Originally Posted by Borden72 View Post
    So I pulled the sc. the gears are missing many teeth. Mostly the gears closest to the block are missing teeth.
    That is very sad.
    like it's mentioned you need to pull the engine and clean it up.
    Thanks
    Thomas Wester

  9. #9

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    Yea I am working on pulling the motor now. She will be down for a couple weeks with my work schedule and all. The sc gear was fine. No damage there. The gear on the clutch and the smaller gear (both closest to the engine block) were the damaged gears. Both missing teeth.

  10. #10

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    Quote Originally Posted by enforcer View Post
    Quote Originally Posted by Borden72 View Post
    So I pulled the sc. the gears are missing many teeth. Mostly the gears closest to the block are missing teeth.
    you'll need to pull that motor and get all the shavings out.Time for an overhaul my friend. Hopefully no damage ocured to the crank bearings....
    I did get into the oil pump and verified that was clean and had no metal shavings in it so that's a plus.

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