Universal Parts GY6 Rear Crankcase Breather $1.49 Quantity discounts available QuantityPrice SKU: 164-325 This item is IN STOCKCurrent Stock: 221 Quantity -+ Add to Cart Details Universal Parts Rear Crankcase Breather for 150cc and 125cc GY6 4-stroke QMI152/157 QMJ152/157 engines. Specs Overall Length: 10.5 inches Supported Models GY6 QMI/QMJ 152/157 DetailsSpecsSupported Models Back Universal Parts Rear Crankcase Breather for 150cc and 125cc GY6 4-stroke QMI152/157 QMJ152/157 engines. This breather fits into the rear portion of the crank case near the forward shock mount and gear box. Back Overall Length: 10.5 inches Back GY6 QMI/QMJ 152/157