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  1. #1

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    stuck powervalve

    i have a 1999 yamaha xl1200ltd. i have two pv that i am trying to remove but they are stuck, how can you remove them. i can move them about 1/2 in and then they stick. please help


  2. #2
    Mpeavler's Avatar
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    Quote Originally Posted by himwest View Post
    i have a 1999 yamaha xl1200ltd. i have two pv that i am trying to remove but they are stuck, how can you remove them. i can move them about 1/2 in and then they stick. please help
    Keep working on getting the carbon build up off with cleaners!!

    M

  3. #3

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    can not use cleaners the engine is still in running condition and all together.

  4. #4
    jdog800's Avatar
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    you have to pull the pipe off to get to the powervalves. Then take the caps off. Unhook the linkage for each one. pull the valves out. Clean them. Reinstall. Buy some waveeater clips. Install. Done.

    Better get that fixed before your motor decides to eat one. Then it wont be in running conditon at all.

  5. #5

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    I understand how to pull them out of the engine but they will not come out. the sky has only run yamalub so there is a lot of gup in the pv.like i stated before i can only get them up about 1/2 in. i had top end rebuilt last year and the tech(meathead) did not clean out the pv.

  6. #6
    Moderator OsideBill's Avatar
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    There is a allen cap screw that holds the shaft guide bushing into the cylinder, did you remove this? If this is removed then I use a small prybar and gently pry from under the pin they come out pretty easy even the gunked up ones. I have attached a pic looking into the PV opening see where the threaded hole is in the middle that is where the allen cap is. Sometimes you have dig the goo out to find it This is a gas valve in this pic but it is the only pic I could find looking into the area.
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  7. #7

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    i have the screw out and tried to pry under the pin but still can only to get them up about 1/2 in. after i remove the screw sould the brass bushing aound the pv move?

  8. #8
    Moderator OsideBill's Avatar
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    Yes that bushing will come out with the PV

  9. #9
    improvised tmg97gp's Avatar
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  10. #10

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    yes i got out my pv, but one broke on the way out. anyone know where i can get one at a good price. 1999 xl1200ltd stock but will soon have a d-plat ,blocked off oil pump, and wave eaters

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