Chain Size

Discussion in 'Frame Mounted Engines' started by MotorMac, Sep 20, 2008.

  1. MotorMac

    MotorMac Member

    If I want to upgrade my chain from #415 to #41 do I have to change the engine and rear hub sprockets as well? What is the difference between the 2 chains?

  2. A little bit wider, works fine with existing sprockets.....