Select the exact brand, model, year and part number from Brand. Kit contents vary by option. ProX options marked bearings only do not include oil seals; other ProX options are bearing and seal kits. Confirm the original engine and selected part number before ordering.

Applicable models

• WR250 1991-1997 — BWX CBK027Y
• YZ250 1988-1997 — BWX CBK027Y
• YZ250 2001-2026 — BWX CBK029Y
• YZ250X 2016-2026 — BWX CBK029Y

Kit options and contents

BWX CBK027Y

This kit includes:

• 2 x Main/Crank Shaft Bearings
• 2 x Main/Crank Shaft Seals

BWX CBK029Y

This kit includes:

• 2 x Main/Crank Bearings
• 2 x Main/Crank Seals

Images are for illustration purposes only, actual products may differ.

ProX options and contents

• YZ 250 2001–2023 — bearing and seal kit [23.CBS23001]

NB: Please note that because we sell across multiple platforms, stock availability cannot be guaranteed. If an ordered item is out of stock, it will be placed on backorder and dispatched as soon as it arrives. If an item is permanently unavailable, we will issue a full refund.

Additionally, as most of our products are imported, final pricing is subject to change without notice due to fluctuating exchange rates and shipping costs.

We appreciate your understanding and always strive to process and ship your orders as quickly as possible!