Yamaha Motor Co., Ltd. 4V0-17131-00-00 Pinion Gear 3RD

The Yamaha 4V0-17131-00-00 Pinion Gear 3RD is an OEM-grade hardened steel gear designed to engage the third gear in Yamaha motorcycle transmissions, transmitting rotational power within the gearbox. It is heat-treated for durability and provides precise gear meshing to support smooth shifting and reliable power delivery in Yamaha motorcycle gearbox assemblies. This 3RD gear pinion fits Yamaha motorcycles via model-specific compatibility and installs within the internal transmission assembly to sustain transmission accuracy. Common replacements include Yamaha 3Y1-17131-00-00, 2A6-17131-00-00, and 1T3-17131-00-00 Pinion Gears.