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

• CRF450R 2002-2005 — BWX CBK119H
• CRF450R 2006-2016 — BWX CBK172H
• CRF450X 2005-2017 — BWX CBK163H
• TRX450ER ATV 2006-2014 — BWX CBK147H
• TRX450R ATV 2006-2009 — BWX CBK147H

Kit options and contents

BWX CBK119H

This kit includes:

• 1 x Main/Crank Ball Bearing
• 1 x Main/Crank Outer Roller Bearing
• 2 x Main/Crank Seals

Please note – this kit does not include the crank sleeve

BWX CBK172H

This kit includes:

• 1 x Main/Crank Ball Bearing
• 1 x Main/Crank Outer Roller Bearing
• 2 x Main/Crank Seals

BWX CBK163H

This kit includes:

• 1 x Main/Crank Ball Bearing
• 1 x Main/Crank Outer Roller Bearing
• 1 x Roller Bearing Crank Sleeve
• 2 x Main/Crank Seals

Please note – this kit does not include the crank sleeve

BWX CBK147H

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

• CRF 450 R 2002–2005 — bearing and seal kit [23.CBS14002]
• CRF 450 R 2006–2016 — bearing and seal kit [23.CBS14006]

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!