conrod bush

Discussion in 'Motorized Bicycle General Discussion' started by gavmiester, Feb 26, 2009.

  1. gavmiester

    gavmiester New Member

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    Hi there ,Greetings from gold coast Australia.Any one know of a fix for the bush on an "80"measures 11mm internal 14mm external asked Zbox they sent 2 that didnt fit then said cant help!brnot
     
  2. Brains

    Brains New Member

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    Gday gavmiester, who did you purchase the motor from?

    Brains
     
  3. wildemere

    wildemere New Member

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    Those bronze bushings will need to be honed to a press fit.

    Then an oil hole is drilled and relieved.

    Then honed again to accept the piston pin.

    You'll need verniers or calipers at the least to do the job.

    And a tool to fit the bushing.

    Have you done any of this?
     
  4. gavmiester

    gavmiester New Member

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    Motor was purchased from Zbox, how do you hone the bush ?I did measure with electronic vernier,tried drilling out the bush but it broke up.is it possible to get a needle roller bearing to fit?11mm X 14mm
     
  5. gavmiester

    gavmiester New Member

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    Took the motor to local engineering shop sorted out for $20
     
  6. gavmiester

    gavmiester New Member

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    18mnths later the engineers work performing flawlessly,Bob Garner Engineering,races Rotax,Ducati etc
     

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