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  1. #1

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    Riva XXX-2 Super Charger? Is this an ET 140LE?

    Here is the info.

    http://rivaracing.com/n-11763-riva-s...ercharger.html

    They state they use better aftermarket bearings?

    Does ET use stock bearings?


  2. #2
    AtoMIC_OraNGE greenbullet's Avatar
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    IMO stock bearing is the only way to go

    ive got got stock bearings on my triple mod 140.

  3. #3

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    Stock bearings have plastic cages? Would be nice if something better was out there for us.

  4. #4
    Moderator beerdart's Avatar
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    The problem is there is no bearing available that specs to the RPM's the SC turns.

  5. #5

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    Hmmm I wounder what bearings Riva is using? I guess we need to talk to them and maybe ET to find out some info out?


    From Rivas site.

    Key Features:
    • Lightweight 140mm billet aluminum impeller
    • Genuine BRP Supercharger Shaft Kit is modified to improve reliability
    • Shaft collar is pinned in place to ensure consistent clutch washer tension
    • Oil hole passage is modified for increased lubrication
    • Upgraded bearings for high RPM reliability
    • Delivers huge increases in boost pressure, acceleration & top speed
    • 15 psi @ 8,200rpm
    • 16 psi @ 8,500rpm
    • 18 psi @ 9,000rpm

  6. #6
    AtoMIC_OraNGE greenbullet's Avatar
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    I don't ride as much as others I guess but either way every other year I rebuild the charger. And every year replace the bearings. Like states it's the hot cold cycles the bearings go threw a d the 40+k Rpms they deal with

    the ET water cooler really Aids to the bearing life as well too keeps the hottest side of the charger cooler

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