4G 1B transmission only: Fits Huasheng 49 & 53cc CC engines
4G Model 1B 8 hole T-Belt Drive Transmission only:
20T drive to a 100T driven pulley that connects to 9T or 10T chain drive sprocket. Final drive ratio depends on what bike wheel sprocket is used.
Final Drive Ratio example: 20T drive pulley to 100T driven pulley to 10T chain sprocket to 50T chain sprocket = 25 to 1 ratio.
Specifications:
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4G Model 1B only fits HuaSheng F142-1G 49cc and F144-1G 53cc taper shaft engines with integral 3 shoe centrifugal clutches.
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Will not fit 5/8" dia. straight shaft engines like the Honda GXH50.
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Includes 2 sliding drive sprockets, 9T & 10T, for easy chain alignment;
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9T sprocket for most torque and 10T sprocket gives higher top speed
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20T Drive belt pulley.
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100T Driven belt pulley with integral freewheel.
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Freewheel allows easy bike pedaling when engine is not running.
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Belt Cover is ABS plastic. Held on with a 3 point attach bracket.
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Includes a belt tension adjustment spanner wrench.
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Has 8 mounting holes to enable using 10G Multi Speed kit. See our 10G add for details on how to make your bike shift gears like a motorcycle.
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Bikes in pictures are Not included, shown for illustration purpose only.
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Check out our www.grubeeinc.com information web page for more details and info.
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Should you want to buy a ready made 4 STROKE ENGINE bike made by a professional company we recommend the CHEATA BIKE COMPANY based out of Milwaukee Wi. www.cheata bikes.com See attached pictures of their masterpieces.