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Bearing Gear Cluster for SF
this continuous variable transmission belt is engineered to handle the harsh torque cycles and extreme heat generated by heavy utility buggies and sport go-karts operating in off-road environments
or just feeling loose and worn
Installation Note: When switching to a wider bar like the NCY Z-Bar
SSP-G QMB139 Stroker Crankshaft Water-Cooled 250cc Bearing Gear Cluster for SF44mm Stroker Crankshaft Assembly for 50cc 4 stroke QMB139 engines. Overall Length: 247mm Thread Size (tapered side): M10x1. 25 Thread Size (spline side): M12x1. 25 Bearing Outer Diameter (tapered side): 42mm Bearing Outer Diameter (spline side): 47mm Number of Splines: 26 Connecting Rod Inner Diameter: 13mm Number of Teeth (oil pump drive gear): 16 (use with 33t oil pump) QMB139 50cc 49cc This product is not intended for use on public roads or land.
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