4G 1B 8 hole transmission only:

Grubee Inc


4G Model 1B  8 hole Transmission only:    

20T drive - 100T driven pulleys 

 T Belt Drive 

  • 4G Model 1B fits HuaSheng F142-1G and F144-1G engines with integral centrifugal clutches and a tapered crankshaft end.  
  • Will not fit Engines with 5/8" dia. straight shaft PTO.
  • Includes 2 slide chain drive sprockets for easy chain alignment;  
  • 9T sprocket for high torque and 10T sprocket for higher speed
  • 20T Drive belt pulley 
  • 100T driven belt pulley with integral freewheel 
  • Allows easy bike pedaling when engine is off.   
  • Belt Cover is ABS plastic.  Held on with a 3 point bracket.
  • Includes 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.
  • Bikes in pictures are Not included, shown for illustration purpose only.
  • Reference our www.grubeeinc.com right hand information web page for more details and info.