Established in 1992, Sumai Bicycle Co.,Ltd. is one of the biggest China minibike parts manufacturer and wholesaler. We've gotten the WMI (World Manufacturer Identification) since 2005. Our company has perfect quality management systems with ISO9001 international quality authentication in 2002 and pays great attention to new product development. We have high-quality staff at design, oem minibike parts development and production fields, and have introduced in qualified personnel from foreign bicycle enterprise. Most of our products have been approved with CE certificate, and some approved with EEC, EPA and CARB.

These go kart kits include everything you need except the engine, clutch, paint and tools, and are available with different tire sizes and wheels depending on the kit you choose. The unpainted jig-welded frame used in these kits is made of thick wall, mild-steel tubing. Assembly manual included. These kits will accept Briggs & Stratton or Tecumseh horizontal shaft engines up to 5 hp. Components include:
Frame and Steering Hoop
Front Wheel & Tire Assemblies
Rear Wheel & Tire Assemblies
Sprocket & Hub
Brake & Hub
Seat & Mounting Hardware
Rear Live Axle
Brake Rod Kit
Front Spindles Chain & Master Link
Throttle Rod Kit
Tie Rod Assemblies
Steering Shaft & Hub Kit
Steering Wheel
All Hardware & Fasteners
Dimensions are:
Frame Wheelbase: 41" from the front spindle bracket to the rear axle opening
Frame Width: 21 3/4" across the back of the frame
Frame Overall length: 48" from the front of the frame to the back of the frame
Frame Height: 5-5/8" from the top of the frame in the back to the bottom of the frame
Front Axle Width: 26" from the end of the spindle bracket across the frame to the end of the other spindle bracket

Comets Torq-a-verter automatic clutch kit, is the easiest way to dramatically improve the performance of your centrifugal clutch driven mini bike or go kart! This amazing system will automatically give you a low range for climbing hills and quicker acceleration, and it will give you overdrive for more top speed. It's like adding more horsepower without changing the engine. The Torq-a-verter will bolt right on to most Briggs 3-5 HP and Techumseh 3-8 HP horizontal shaft engines. Bolts right on in most applications, some applications will require notching the supplied bracket for clearance, or other modifications for chain alignment. Order your Torq-a-verter kit according to the size of your crankshaft and chain size. The Torq-a-verter kit includes the drive and driven clutches, the jackshaft and sprocket, the belt, the cover and mounting bracket and even the bolt for the crankshaft. Just bolt it on and go!

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