Home Forums Shifter Karts #40 / #428

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This topic contains 5 replies, has 2 voices, and was last updated by  Chris Reinhardt 4 years, 8 months ago.

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  • #36260

    Ted Hamilton
    Participant

    I’m mounting a Suzuki RM80 with #428 chain on an American chassis with a 1.25″ rear axle.

    I’ve found a source for #40 gears and hubs in 1.25″….so, my question is whether I can run this sprocket without destroying something in the process?

    Advice appreciated…  I’d like to stick with #428 instead of #520… I’m not opposed to switching to #40 chain on a #40 rear sprocket and #428 front…if that will work.

    TIA,

    ~Ted

    www.facebook.com/hamiltonhelmets/
    2014 Praga Dragon / IAME KA-100

  • #36282

    Chris Reinhardt
    Participant

    Number 40 and 428 chain are NOT the same, I believe the roller is larger on the 428….

    Chris Reinhardt

    CR2 Motorsports

    http://www.cr2motorsports.webs.com/

    XV Racing Products

    http://www.xvengineering.com/

    ­­

  • #36294

    Ted Hamilton
    Participant

    Solved the issue by buying a Hegar sprag with 4 gears. :)

    www.facebook.com/hamiltonhelmets/
    2014 Praga Dragon / IAME KA-100

  • #36384

    Chris Reinhardt
    Participant

    Make sure you get the one that has a push start button…

     

    CR

    Chris Reinhardt

    CR2 Motorsports

    http://www.cr2motorsports.webs.com/

    XV Racing Products

    http://www.xvengineering.com/

    ­­

  • #36500

    Ted Hamilton
    Participant

    CR – not sure what you mean by that last comment?  It does have a kill switch button…

    1996 CR80…

    www.facebook.com/hamiltonhelmets/
    2014 Praga Dragon / IAME KA-100

  • #36525

    Chris Reinhardt
    Participant

    With a sprag on it, you can spin the rear wheels till your hearts content and it won’t spin the motor.  If you plan on starting it off the rear wheels, then they made a version that locked up the hub by pushing a button.  Once started it’s spring loaded and pops out, back to a one way sprag….

    CR

    Chris Reinhardt

    CR2 Motorsports

    http://www.cr2motorsports.webs.com/

    XV Racing Products

    http://www.xvengineering.com/

    ­­

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