Yamaha WR Main Bearing & Seal Kit - Hot Rods - High-speed C3 rated bearings - `01-`21. This Hot Rods kit is designed to replace the main bearings and crank seals on Yamaha WR 250F models from 2001 through 2021, offering a reliable, cost-effective alternative to OEM parts.

Designed for riders who modify or maintain WR 250F machines, this kit uses High-speed C3 rated bearings and precision seals to meet or exceed OEM specifications. The components are selected for durability under hard use and higher RPMs typical of off-road and race applications. Using matched bearings and seals helps restore crankshaft alignment and reduces the risk of premature wear, while keeping maintenance straightforward for experienced enthusiasts and mechanics.

Features

• High-speed C3 rated main bearings for improved internal clearance at higher RPMs
• Complete set of crank seals matched to bearings for precise fit
• Meets or exceeds OEM specifications for fit and performance
• Cost-effective replacement kit suitable for rebuilds and performance updates
• Fits Yamaha WR 250F models 2001–2021 (250cc)

If you have questions or need help confirming fitment, call us directly — we’re happy to assist. We offer installation and customization services at both of our locations: Austin, Texas and the Los Angeles, California area. Call Austin: 512-982-9393 (TX) or Los Angeles: 562-981-6800 (CA).

Thinking about purchasing multiple items? Contact us for shipping discounts. We install on premises at both locations.

CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov