Universal Parts QMB139 Cylinder & Head Kit - 69mm Valves Options:39 00-4 Tube-Type Tire features a

00-4 Tube-Type Tire features a versatile street tread pattern designed for stability and smooth handling

3 Hex Head Wrenches - 8mm

For use with socket driver or 19mm box/open end wrench

Whether you are commuting on urban sidewalks or cruising the neighborhood

Universal Parts QMB139 Cylinder & Head Kit - 69mm Valves Options:39 00-4 Tube-Type Tire features a50cc QMB139 4 stroke Cylinder and Head Kit With 69mm Valves. Choose from 39mm, 47mm or 50mm bore in the Drop Down Box. 47mm Bore Upgrades your Scooter to 72cc! 50mm Bore Upgrades your Scooter to 81. 3cc! Kit includes complete cylinder head, cylinder, piston, rings, piston pin, cir clips, head gasket, and base gasket. *You may need to modify your engine case to accommodate the larger cylinder. Cylinder Bore: Choose from 39mm, 47mm or 50mm Cylinder