VINTCO Crankshaft Assembly Yamaha WR Z / YZ / 465-500 81-93

VintCo is a U.S.-based manufacturer specializing in high-quality replacement parts for vintage motorcycles. Founded nearly 30 years ago, the company initially focused on producing connecting rods for Ossa and Bultaco motorcycles. Over time, VintCo expanded its product line to include crankshafts, pistons, cylinders, bearing kits, and more, catering to a wide range of vintage models from brands such as Honda, Yamaha, Suzuki, Maico, and KTM.