All Balls Racing Wheel Bearing Kit Front (25-1252) Rear - 25-1252

All Balls Racing Rear Wheel Bearing Kit – 25-1252

Precision Bearing Kit for Yamaha WR 250 & WR 450 F Series

Engineered for off-road performance and long-lasting durability, the All Balls Racing 25-1252 Rear Wheel Bearing Kit is the ideal replacement solution for Yamaha WR series motorcycles. This kit features high-speed bearings and premium sealing technology to provide superior protection in demanding trail and racing conditions.

Key Features:

• ABEC 3 Precision Bearings: Deliver smooth, efficient performance under high loads and extended riding conditions.
• Triple Lip Rubber Seals: Effectively retain grease and block out water, mud, and debris for enhanced bearing longevity.
• Chevron SRI 2 Grease: High-performance lubricant with rust and oxidation inhibitors; rated for operation in extreme temperatures.
• OEM Replacement Fit: Designed to match or exceed factory specifications for precise and reliable installation.

Kit Contents:

• Ball Bearings: 2
• Seals: 2

Fitment & Compatibility:

• Yamaha WR 250 (2015–2019)
• Yamaha WR 450 F (2009–2019)

Installation Guidelines:

Inner Spacer:

• Confirm the bore is clean and allows easy passage of the axle.
• Inspect for burrs or wear and ensure the ends are square to seat properly against the new bearings.
• The spacer must match or slightly exceed the length between the bearing stops in the hub or carrier.

Wheel Hub:

• Remove dirt and corrosion thoroughly. Avoid removing metal, which could compromise bearing fit.

Outer Wheel Spacers:

• Inspect for wear at the ends and the sealing surface. Replace if excessively worn to prevent seal leakage and premature bearing wear.

Bearing Installation Notes:

• Caution: Improper installation may lead to bearing damage and significantly reduce service life.
• Heating the wheel hub slightly will allow for easier bearing insertion due to thermal expansion.
• Always press bearings using the outer race only.

The All Balls Racing 25-1252 Rear Wheel Bearing Kit is built for serious riders who demand high performance and reliability in every ride. Ideal for motocross, enduro, and trail applications.