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

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