Skip to content
All Canada Post orders are being upgraded to courier free of charge to avoid any shipping delays.
All Canada Post orders are being upgraded to courier free of charge to avoid any shipping delays.

4G Model 1B TRANSMISSION 20Tx100TFW x 9T/10T

Sale Sale
Original price $169.99
Original price $169.99 - Original price $169.99
Original price $169.99
Current price $139.99
$139.99 - $139.99
Current price $139.99
SKU 4G-1B
Fits HuaSheng 49cc 142F and 53cc 144F engines with tapered shaft and built-in Centrifugal Clutch Model 1B

The T-Belt drive runs much quieter than a chain drive.

4G Model 1B 8 hole T-Belt Drive Transmission only:

20T drive to a 100T driven pulley that jackshafts to 9T or 10T chain sprockets

Specifications:

  • 4G Model 1B only fits HuaSheng F142-1G 49cc and F144-1G 53cc engines with integral 3 shoe centrifugal clutches.
  • Will not fit 5/8" dia. straight shaft engines like the Honda GXH50.
  • Includes 2 sliding drive sprockets, 9T & 10T, for easy chain alignment;
  • 9T sprocket for most torque and 10T sprocket gives a higher top speed
  • 20T Drive belt pulley.
  • 100T Driven belt pulley with integral freewheel.
  • Allows easy bike pedaling when the engine is not running.
  • Belt Cover is ABS plastic. Held on with a 3 point attach bracket.
  • Includes a belt tension adjustment spanner wrench.
  • Has 8 mounting holes to enable using 10G Multi-Speed kit.
  • Multi-Speed kit requires a 10 degree downward tilt of the transmission