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Thread: 250-R counter Balancer shaft bearing destruction.

  1. #1
    Join Date
    Jun 2005
    Location
    Jackson MI
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    1,688

    250-R counter Balancer shaft bearing destruction.

    This is what could happen If you don't check your counter balancer bearings. They are getting pounded everytime the cylinder fires.
    Attached Thumbnails Attached Thumbnails R case.jpg   R case 2.jpg  

    83 ATC 60-R Cr60 converted with Zinger parts.
    83 ATC 70.
    83 Tri zinger
    ATC 85-R Cr85 engine on shortened 86-R frame.
    ATC450AF
    86 310-R Drag racer
    440 snowmobile powered custom built.
    87 Cr 500 Converted to Drag racer

  2. #2
    Join Date
    Jun 2002
    Location
    Mississippi
    --
    2,552
    ouch!! weld it up and grind it down. i love aluminum!!!
    83 ATC70
    85 ATC70
    85 200x vintage racer
    86 500r
    Lots of parts

    My 500R


  3. #3
    Cody's Avatar
    Cody is offline Just Too Addicted Arm chair racerJust too addicted
    Join Date
    Feb 2005
    Location
    FLORIDA
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    731
    OUCH!...Not good, 200x... You redneck. LOL
    1985 Yamaha 200E Shaft - New Toy / Project
    1983 Yamaha YT175 - Kinda retired?

  4. #4
    Join Date
    Jun 2002
    Location
    Mississippi
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    2,552
    LOL, thats better then JB weld!!
    83 ATC70
    85 ATC70
    85 200x vintage racer
    86 500r
    Lots of parts

    My 500R


  5. #5
    Join Date
    Jun 2005
    Location
    Jackson MI
    --
    1,688
    The outer bore that holds the bearing race is beat out real bad the bearing rattles around in the case. I have another one that is the same way. I hope I can put a thin layer of weld around the worn bore then weld the hole inbetween. I think the hard part will be centering up to machine the bearing bore back out.

    83 ATC 60-R Cr60 converted with Zinger parts.
    83 ATC 70.
    83 Tri zinger
    ATC 85-R Cr85 engine on shortened 86-R frame.
    ATC450AF
    86 310-R Drag racer
    440 snowmobile powered custom built.
    87 Cr 500 Converted to Drag racer

  6. #6
    crackshot's Avatar
    crackshot is offline Worthless, would be a vast improvement. Arm chair racerJust too addicted
    Join Date
    Sep 2004
    Location
    Idaho
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    1,024
    That's nasty looking.
    1980 110
    1982 250R
    1985 200s
    1985 250R
    1985 350X
    Parting out...
    1983 250R
    1984 185s
    PM me for parts



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