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  1. #1
    big83bronco's Avatar
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    Angry Maybe a stupid question....but i need an answer!

    I put my 01 GPR back together and realized i left out the bearing washers ont eh wrist pin/piston on the #1 cyl. Are these really needed? It seems to run fine, but havnt really ridden it yet, just ran on teh hose for a minute.

    PART # 23 - WASHER, PLATE

    http://www.boats.net/yamaha/partsyst...mponent=357554

    ANY IDEAS???


  2. #2
    Happily Self-Employed WFO's Avatar
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    Thats the thrust washer(s) for the rod bearing. I know it sucks, but it could prematurely trash the rod bearing and maybe the rod.

  3. #3
    JAG's Avatar
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    Nah, you probably don't need them - they probably only originally put them in there as decroative items!

    I'm only kidding - I have no idea, but I would imagine you would want to put them in.

  4. #4
    TRIPLE PIPES ARE 2-STROKE TURBOS allcool's Avatar
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    WFO is right.
    Without the bearing locating washers the bearing can ride back and forth on the pin shortening bearing/pin/rod life.

    iirr there is a rounded shoulder on one side of the washer that should be facing towards the piston pin boss, not toward the rod.
    I use a little grease or assmebly lube to hold them in place for assembly.

    allcool
    Last edited by allcool; 10-23-2006 at 05:25 PM.

  5. #5
    ABBOTT's Avatar
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    Sorry Tim, but you will have to redo that.

  6. #6
    2000 GPRXP 4tec shooter98xpl's Avatar
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    told you,
    SHOOTER

  7. #7
    Moderator RX951's Avatar
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    The thrust washer is necessary.

    Take the time to dissasemble it and remove the worry out your head.


    Otherwise, it'll always be in the back of your mind.



    Start wrenching.

  8. #8
    MR. SCOVILLE UNIT SUCKMYWAKE's Avatar
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    Yup, Sorry But They Are Essential.

  9. #9
    JAG's Avatar
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    NO! DON'T PUT THEM BACK IN!!! That way you can break down and get a tow by a guy on a SEADOO! On second thought, go ahead and put them back in...you're going to break down anyway! I'm only kidding - I got a tow by my buddy on his Yamaha the other day - he got a kick out of the spray coming down on top of my head all the way back to the boat ramp!

  10. #10
    ABBOTT's Avatar
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    Tim in all seriousness, lets hope that this engine goes better than the previous ones. You have had some terrible luck this year. Hope that this all works out for you!!

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