Yamaha Motor Co., Ltd. 22J-15520-00-00 Starter Gear Wheel

The Yamaha 22J-15520-00-00 Starter Gear Wheel is a hardened-steel gear that transmits torque from the starter motor to the engine crankshaft within Yamaha engine starting systems. Designed for motorcycles, scooters, and other recreational vehicles, it promotes smooth engagement between the starter and crankshaft for reliable starts under a range of operating conditions. It mounts as part of the engine-integrated gear assembly and features a precision-machined gear profile built for durable engagement and efficient torque transfer. Verified specs include Brand Yamaha; Part Number 22J-15520-00-00; Product Type Starter Gear Wheel; Function starter motor torque transmission; Compatibility Yamaha engine starting systems; Material hardened steel construction; Application engine starting system; Usage crankshaft engagement and rotation. Common replacements include Yamaha 22J-15520-10-00, Yamaha 2H7-15520-00-00, and Yamaha 3Y1-15520-00-00.