Universal Parts Carburetor Idle Screw Spring(0)No Reviews yet $1.49 Quantity discounts available QuantityPrice SKU: 151-199 This item is IN STOCKCurrent Stock: 60 Quantity -+ Add to Cart Details Specs Spring Length: 10mm Supported Models Baja SC50, Boreem (BMS), Kymco, Panterra, QMB139 50cc/49cc , Roketa, Schwinn, SUNL, X-Treme DetailsSpecsSupported Models Back Universal Parts Carburetor Air Adjustment Spring for 50cc 4-stroke QMB139 engines. Back Spring Length: 10mm Back Baja SC50, Boreem (BMS), Kymco, Panterra, QMB139 50cc/49cc , Roketa, Schwinn, SUNL, X-Treme Reviews 0 Back Ratings & ReviewsNo reviews availableBe the first to Write a Review