Universal Parts QMB139 39mm Cylinder(0)No Reviews yet $39.99 Quantity discounts available QuantityPrice SKU: 151-13 This item is IN STOCKCurrent Stock: 10 Quantity -+ Add to Cart Details Specs Bore: 39mm Supported Models QMB139 50cc/49cc , Various unlisted makes/models DetailsSpecsSupported Models Back Universal Parts Cylinder for 50cc 4-stroke QMB139 engines. Back Bore: 39mm Back QMB139 50cc/49cc , Various unlisted makes/models Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review