Universal Parts 50cc, 2-stroke Oil seal $5.99 Quantity discounts available QuantityPrice SKU: 161-144 This item is IN STOCKCurrent Stock: 11 Quantity -+ Add to Cart Details Specs Inner Diameter: 20mm Outer Diameter: 42mm Thickness: 8mm Supported Models 40QMB 50cc 2-stroke DetailsSpecsSupported Models Back Universal Parts Left Crankshaft Oil Seal for 50cc 2-stroke Minarelli 1PE40QMB Jog engines. 20*42*8 Back Inner Diameter: 20mmOuter Diameter: 42mmThickness: 8mm Back 40QMB 50cc 2-stroke