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  1. #1
    snowrunner's Avatar
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    Does anyone make a reliable Powervalve for the 1200's?

    I know the stockers suck (at least the first few years), but who makes one that'll last. Is there a good Yamaha update for a 1200?

    Looking to buy some!


  2. #2
    Moderator RX951's Avatar
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    They updated the powervalves I believe in 2003. the older ones had a history of dropping into the cylinder from the pin sliding/walking out.

  3. #3
    Moderator OsideBill's Avatar
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    The R&D ones are really nice and they fit well, they also have an upgraded arm that holds them. I know you were looking for some on the other thread. The gas valves are great a little pricey but compared to the price of R&D valves new the gas valves are my first choice. I think there are some used ones floating around for sale if not Fercho still has some. a lot cheaper than Riva's

  4. #4
    snowrunner's Avatar
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    Philip GPR has some. Gotta see if Fercho has anymore.

    Eric

  5. #5

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    I think I have some somewhere. 60% of retail if I can find them.

  6. #6
    If you have not dropped a valve then there is a cheaper soultion than buying new valves, You can buy wave eaters clips, these little metal caps go around the top of your stock valve and totally eliminates the chance of dropping a valve. I think they are about $60. they also make the couplers between the cyls and they also help allowing the valves to truly open 100% I think clips and couplers is 100. Sam

  7. #7
    snowrunner's Avatar
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    I've got the wave eaters. Worried about the 99 material that was used, was said to crack and fall apart

  8. #8
    TX21's Avatar
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    So buy the Riva ones? I have a 2000 and need to fix that problem. Already had a valve fall but not cause much dammage. I am new to this so where can I buy them.

  9. #9
    Like a chimp with a ball-peen hammer smackwave's Avatar
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    Once you put the WaveEater clips on (at least with the old style clips that included stops) the '99 valves should be as reliable as any other year, or even the R&D valves. Changes were made to the bushing and pin, but the valves and stems remained unchanged in all 66V engines.

    My opinion - save the money and go for a Lowell or GroupK 1390BB with the PowerValves fixed in place. Removes all concern about the valves forever, and for me the peace of mind was well worth the cost.
    Last edited by smackwave; 05-18-2007 at 04:16 PM. Reason: typos - d'oh!

  10. #10
    TX21's Avatar
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    Quote Originally Posted by smackwave View Post
    My opinion - save the money and go for a Lowell or GroupK 1390BB with the PowerValves fixed in places. .
    So where can I find this stuff? Looked at Rivas website and they have the valves and waveater clips. The valves are $99 per!! The clip kit is $100, can I just get the valve thats bad assuming the other two are ok? Or do I have to match all the power valves @ 300 for all three?

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