Yamaha Motor Co., Ltd. 93340-21008-00 Thrust Bearing Kit

Description:

The Yamaha 93340-21008-00 Thrust Bearing Kit is a thrust bearing component used in Yamaha engine and drivetrain axial load systems. Commonly installed in Yamaha motorcycles and off-road models such as YZ125, YZ250F, and WR250F within crankshaft and transmission assemblies. Maintenance teams and technicians use this part for engine rebuilds, bearing replacement, or OEM repair to maintain proper axial load control and smooth rotation.

Applications:

THE YAMAHA thrust bearing is used in engine and drivetrain assemblies to support axial loads and reduce friction between rotating components under pressure. It is commonly found in Yamaha motorcycles and off-road equipment used in racing, trail riding, and industrial service environments where controlling end-play and ensuring stable shaft movement is critical for engine reliability.

Technical Specifications:

• Brand: Yamaha
• Part Number: 93340-21008-00
• Product Type: Thrust Bearing / Thrust Bearing Kit
• Function: Supports axial load and reduces friction between components
• System Type: Engine / crankshaft / transmission assemblies
• Bearing Type: Thrust bearing (axial load design)
• Material: Hardened steel bearing surfaces
• Application Area: Crankshaft, transmission shafts, internal engine assemblies
• Compatibility: Yamaha motorcycles and off-road models (e.g., YZ125, WR250F series)
• Mechanical Role: Controls axial movement and maintains alignment under load
• OEM Status: Genuine Yamaha part

Common Replacements:

• Yamaha 93342-21013-00
• Yamaha 93340-21007-00
• Yamaha 93340-21009