Sprocket plates overlap. Makes sprocket crooked

Discussion in 'Frame Mounted Engines' started by PabstBlueRibbonrulz!, May 7, 2009.

  1. Hello,

    I am attaching the sprocket, rubber donut assembly to my rear wheel and found that the plates which bolts finally go through overlap each other. (Three semi-circular plates (9 holes each))

    My problem was described here: http://www.motoredbikes.com/showthread.php?t=19557 but no one gave a solution.

    This looks exactly the same as what I am describing:


    I've really wrestled it, but I just wont align. If all else falls could I bust out the ol' hacksaw and trim the plates??

  2. MotorBicycleRacing

    MotorBicycleRacing Well-Known Member

    A lot of the crappy kits had the holes in the rubber rings punched
    in a too small a diameter which pulled the bolts in so the plates
    overlap on the inside.
    the rubber rings would nor align with the holes in the sprocket

    Where did you get your kit from? Brand of engine?

    My latest grubee's are so much better with the only problem
    being that the bolt hole circle is too small for some hubs.

    Hacksaw? I would grind them down if I was you but you may not
    have one...

    As long as your sprocket is on straight and tight do what you
    have to do to make the metal ring fit and look decent.

    Good luck!
  3. It's a 49 (aka 50) cc 2-stroke from thatsdax.com.