Custom Builds and Performance Parts
  • Lighten Magneto Flywheel for 50cc 4-stroke QMB139 engines.

    $65.00

    Lighten Magneto Flywheel for 50cc 4-stroke QMB139 engines.

    • 8 Magnets
    • Inside Mounting Hole has a Cut-out Keyway    

    • Inner Diameter: 90mm
    • Outer Diameter: 110mm
    • Thread Size: M24x1.00


    need puller? 

    flywheel puller