What is the temperature range for the included grease?

The kit comes with Chevron SRI-2 grease, which is formulated to operate effectively in temperatures ranging from -29ºC to 177ºC. This grease also contains rust and oxidation inhibitors.

What does ABEC 3 precision mean for the bearings?

ABEC 3 precision levels indicate that the bearings are manufactured to tight tolerances for high-speed operation. This means they are designed for smooth performance and reduced friction.

Are the seals designed to keep water out?

Yes, the kit features triple lip rubber seals with stainless steel garter springs. This design is intended to create a strong barrier, keeping grease in and preventing water and dirt from entering the wheel bearing assembly.

QuadBoss 89-91 Yamaha YFM250 Moto-4 Rear ATV Wheel Bearing & Seal Kit

Specifications

Brand: QuadBoss
Part #: 413276
UPC: 887337117027

QuadBoss 89-91 Yamaha YFM250 Moto-4 Rear ATV Wheel Bearing & Seal Kit

Name: QuadBoss 89-91 Yamaha YFM250 Moto-4 Rear ATV Wheel Bearing & Seal Kit
Brand: QuadBoss
Price: 64.50 USD
Availability: InStock

$64.50

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Fits 1987-1995 Yamaha YFM350ER Moto-4. This rear wheel bearing and seal kit from QuadBoss uses high-speed bearings and triple lip seals to keep contaminants out.

Key Features

Fits 1987-1995 Yamaha YFM250 Moto-4, 1987-1995 Yamaha YFM350ER Moto-4, and 1987-1995 Yamaha YFM350FW Big Bear 4x4.
High-speed bearings are manufactured to ABEC 3 precision levels for smooth operation.
Triple lip rubber seals with stainless steel garter springs keep grease in and contaminants out.
Includes Chevron SRI-2 grease, which contains rust and oxidation inhibitors and operates between -29ºC and 177ºC.

Secure CheckoutFast Shipping631-982-0042

Fits these vehicles

Yamaha YFM250 Moto-4 1989-1991
Yamaha YFM350ER Moto-4 1987-1995
Yamaha YFM350FW Big Bear 4x4 1987-1995

Product Details

If you're working on the rear end of your 1987-1995 Yamaha YFM350ER Moto-4, this wheel bearing and seal kit from QuadBoss is what you need. It's designed to replace the worn-out bearings and seals, helping to ensure your wheels spin freely and are protected from the elements. These kits are essential for maintaining smooth operation and preventing further damage to your drivetrain.

The bearings in this kit are manufactured to ABEC 3 precision levels, meaning they're built for high-speed operation and smooth performance. To keep that performance going, QuadBoss includes triple lip rubber seals. These seals are designed with stainless steel garter springs and feature double lip type TC construction, which does a solid job of keeping grease in and water and dirt out. The kit also comes packed with Chevron SRI-2 grease, which is formulated to handle a wide temperature range from -29ºC to 177ºC and contains rust and oxidation inhibitors.