Hot Rods OSK0054 Countershaft Seal Kit 2014-2024 Yamaha YZ250F YZ250FX WR250F

A leaking countershaft seal is more than just a mess on your garage floor; it’s a risk to your transmission’s lubrication and overall reliability. This Hot Rods Countershaft Seal Kit provides a quick and effective OEM Replacement solution to stop oil loss at the source. Moto-House MX recommends this kit for riders who want to eliminate the guesswork of sourcing individual O-rings and bushings, ensuring a factory-tight seal every time you service your drive system.

Engineered for the rigors of competitive racing, this kit is built to handle the high-torque loads of modern 250cc powerplants. Each component is manufactured to precise tolerances to provide lasting Racing Performance and prevent dirt or grit from entering your engine cases. This kit includes the seal, bushing, O-rings, and sprocket nut washer where applicable, providing everything needed for a professional-grade repair.

Top Features: Hot Rods Countershaft Seal Kit

• Complete Repair Solution: Includes the countershaft seal, bushing, O-rings, and lock washer for a comprehensive fix.
• Precision Engineering: Components are built to exact tolerances to ensure a perfect fit and long-term oil retention.
• Heavy Duty Durability: Designed to withstand the constant friction and heat of high-performance off-road riding.
• Direct Fit: Seamlessly replaces worn factory components without the need for modifications.

Fitment List

Year Range	Vehicle Brand	Vehicle Model & Size
2014-2024	Yamaha	YZ250F
2016-2024	Yamaha	YZ250FX
2015-2024	Yamaha	WR250F

Frequently Asked Questions

Does this kit include the transmission bearings?
No, this kit is specifically designed to replace the external countershaft seal and its immediate hardware. It does not include internal transmission or water pump bearings.

How often should I replace my countershaft seal?
It is best practice to inspect the seal during every sprocket change. If you notice any oil weeping around the front sprocket area, it should be replaced immediately to prevent oil starvation.

Is the sprocket nut washer included for all models?
The kit includes the sprocket nut washer where applicable for the listed Yamaha models to ensure the sprocket is properly secured after the seal is replaced.

Upgrade Your Ride and keep your transmission protected.

Moto-House MX – Choice of Champions – is located in Clermont/Montverde, FL. The best motocross shop in Central Florida.