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  1. #1
    Site Admin Green Hulk's Avatar
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    New heavy duty supercharger shaft kit for FZ/SHO

    Now available for immediate shipping

    http://www.4-tecperformance.com/inde...oducts_id=1233


    Our Heavy-duty Supercharger Shaft Upgrade Kit delivers increased strength & reliability to your Yamaha Supercharger System. Upgraded shaft & bearings directly replace OEM parts for maximum durability in performance applications. Manufactured exclusively for RIVA by HKS, these components feature superior materials & finishing treatments for reduced friction and abrasion resistance.

    Key benefits include:
    Reduced friction between moving parts.
    Increased fatigue strength in parts.
    Higher resistance to surface abrasion.
    Improved seize resistance. Kit includes supercharger shaft, 2 bearings, shaft nut and complete installation instructions.



  2. #2

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    That is sweetttt ima tell my buddy that has an SHO... i am sure he will love this lol

  3. #3
    krenzema's Avatar
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    Will this increase the s/c clutch life?

  4. #4
    mjh3ides's Avatar
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    Cool, now knowing there is a replacement available I won't have butterflies the next time I need to remove the impeller.

  5. #5
    Quote Originally Posted by krenzema View Post
    Will this increase the s/c clutch life?
    I dont think it would...

  6. #6
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by krenzema View Post
    Will this increase the s/c clutch life?
    No, it just replaced the flimsy stock shaft assembly. Many people have broken them replacing the supercharger impeller and up until now there has been no replacement.

  7. #7
    desperado's Avatar
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    Any specifics on material used and physical dimension difference?

  8. #8
    Site Admin Green Hulk's Avatar
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    Quote Originally Posted by desperado View Post
    Any specifics on material used and physical dimension difference?
    Martin, i don't have that info. The only information I have is what's in the online store description.

  9. #9
    FZR N's Avatar
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    great news well done riva............. any news on the long awaited intercooler Jerry

  10. #10
    desperado's Avatar
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    Quote Originally Posted by Green Hulk View Post
    Martin, i don't have that info. The only information I have is what's in the online store description.
    Thanks Jerry... I'm sure we'll hear the main differentiators real soon...... As others have said, nice to know there is a replacement now available.

    I am debating if upgrading to this shaft should be considered preventive maintenance, that is when running the bigger SC wheels such as the E1..... would sure hate to see my oem shaft grenade at high rpm and destroy the whole SC unit......... the cost of this new shaft would seem very reasonable then....

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