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See the compatibility table below
better uphill pull
Reflective piping and logo helps you be seen
Chuckus) Mini-Choppers Dongfang
vibration-resistant construction
Universal Parts QMB139 50mm Big Bore Cylinder Kit v9a See the compatibility table belowThis Universal Parts 50mm Big Bore Cylinder Kit fits 50cc 4 stroke 139QMB engines, upgrading bikes to 81. 3cc based on a stock stroke of 41. 4mm! Specifications: Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket Bore: 50mm Overall Height: 70. 5mm Cylinder Sleeve Outer Diameter: 53mm 139QMB based 50cc 80cc engines with the following engine codes: 139QMA 139QMB 1P39QMB 1P39QMA 2 YN139QMB JJ1P39QMB 139FMA 2 BD1P39QMB BN139QMB
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US$ 2800.00
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US$ 59.95
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US$ 59.95