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  1. #1

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    RXP-X Supercharger washers

    After reading the guys post about his RXT-X OEM washers exploding, it has me wondering.

    Are the OEM titanium washers of less quality than the Riva Washers??

    I was debating on sending down my charger to make sure the slip point was set right and at the same time having my extra set of Riva washers put on with the needle bearings. Now I'm wondering if I should do it to prevent somting catastrophic??

    My ski has 30 hours on it also... scary...


  2. #2
    i do not think they are sure if the washers went out first or the bearings.

  3. #3

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    Ya I read that.... if it was the bearings though, wouldn't you think they were faulty??

    I've read several times of people changing their washers before complete 100 hour rebuild. The 100 hour rebuild is the bearings and washers correct?


    Still... are the OEM washers not as good as the Rivas? I'm trying to decide if I should use my good, new, Rivas or just have the slip point checked.

  4. #4
    Having Fun jp1300r's Avatar
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    I have now seen a few PX chargers with worn washers in the 40-60 hour range. Slips less than 5lbs. Total loss of washers on another one. I would replace with RIVA washers now, if I had a X SCer.

  5. #5

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    So are the Rivas better than the OEM, or just replace them because they're getting a rep for being worn out?

    What is the optimal slip point?

    Shoot, if it was that guys bearings.. it just doesn't seem right that you should have to replace the bearings at 30 hours.

  6. #6
    Having Fun jp1300r's Avatar
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    I've read several times of people changing their washers before complete 100 hour rebuild. The 100 hour rebuild is the bearings and washers correct?


    100 hour rebuild is everything but the housing and impeller. (Shaft, washers, bearings, spring washers, drive washer, seal, gear, etc.)

  7. #7
    Having Fun jp1300r's Avatar
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    The RIVAs don't seem to break up, if they overheat. They hold their slip better. The OEM when they loss to much slip, they overheat and break up and go into the engine. I guess you can guess this is bad.

  8. #8

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    Hmmm... seems bad!

    I guess I'll have my extra Riva washers put on since I'm doing the upgrades.

    Those pics of that guys blower makes me cringe!

  9. #9
    Having Fun jp1300r's Avatar
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    I ride in smooth water, rivers, creeks. Just thinking about jumping waves with these chargers scares me. One PX had been run in a enduro race. Check the slip was 4lbs, less than 50hrs on ski. The one that lost its washer had 70-80 hours and had been run in rougher water.

  10. #10
    I read in another post the riva had some kind of plating over them that will slip. the Other ones for sale in the 4tec store were better and cheaper

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