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Universal Parts QMB139 50mm Big Bore Cylinder Kit

$69.99

Universal Parts QMB139 50mm Big Bore Cylinder Kit

20 in stock

SKU: 151-258 Category:
Weight 1.8 lbs
Dimensions 4 × 4 × 6 in
UPC

Details

Universal Parts 50mm Big Bore Cylinder Kit for 50cc 4-stroke QMB139 engines. Upgrades to 81.3cc based on a stock stroke of 41.4mm! Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket. *You may need to modify your engine case to accommodate the larger cylinder. Upgrades to 81.3cc!Bore: 50mmOverall Height: 70mmCylinder Sleeve Outer Diameter: 54.4mm