Yamaha 93313-92513-00, 305-2 Koyo Bearing

Description:

The Yamaha 93313-92513-00 Koyo Bearing is a cylindrical roller bearing used in Yamaha engine crankshaft and balancer shaft systems. Commonly installed in Yamaha XT550 and similar models within crankshaft and piston assemblies. Maintenance teams and engine rebuilders use this part for engine overhaul, bearing replacement, or OEM repair to restore proper rotation and load handling.

Applications:

THE YAMAHA cylindrical bearing is used in engine crankshaft and balancer shaft assemblies to support rotating components under high radial loads while minimizing friction. It is commonly found in Yamaha motorcycles such as the XT550 used in off-road riding, dual-sport applications, and mechanical rebuild environments where reliable engine rotation and durability are critical.

Technical Specifications:

• Brand: Yamaha / Koyo
• Part Number: 93313-92513-00
• Product Type: Cylindrical Roller Bearing
• Function: Supports rotational motion under high radial load
• System Type: Engine crankshaft / balancer shaft assembly
• Bearing Type: Cylindrical roller bearing
• Material: Hardened steel rollers and raceways
• Application Area: Crankshaft and piston assembly
• Compatibility: Yamaha XT550 and similar engine platforms
• Availability: Discontinued / limited supply
• OEM Status: Genuine Yamaha part

Common Replacements:

• Yamaha 93313-31502-00
• Yamaha 93313-42501-00
• KOYO equivalent cylindrical bearing