Universal Parts QMB139 39mm Cylinder Kit(0)No Reviews yet $38.99 Quantity discounts available QuantityPrice SKU: 151-257 Restock: Early January This item is IN STOCKCurrent Stock: 16 Quantity -+ Add to Cart Details Specs Bore: 39mmOverall Height: 70mmCylinder Sleeve Outer Diameter: 44.7mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts 39mm Stock Cylinder Kit for 50cc 4-stroke QMB139 engines. Includes cylinder, piston, pin, circlips, rings, head gasket and base gasket. Back Bore: 39mmOverall Height: 70mmCylinder Sleeve Outer Diameter: 44.7mm Back QMB139 50cc/49cc , Various unlisted makes/models Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review