Full Race Slipper Clutch Set-up, 2 Stroke Youth ATV YFZ 450 The MHR version includes a

The MHR version includes a control unit with variable spark advance timing

This is the complete gasket set for Malossi MHR Racing 70cc cylinder kit

plus torque value of 7

In addition

Full Race Slipper Clutch Set-up, 2 Stroke Youth ATV YFZ 450 The MHR version includes aReplaces slipper sprocket, no need to torque every time you ride and no more lost races due to sprocket slipping, bolt on a slipper clutch and be done with it. Complete slipper clutch comes with Koso lightened clutch, choice of torque spring and 2000 shoe springs, 2 cover gaskets. All parts included to bolt on as a complete assy, with precision machined parts for maximum pressure to prevent premature slipping. Fits 2 Stroke 50cc and 90cc. Choose from