PROX 23.CBS24009 Crankshaft Bearing and Seal Kit for Yamaha YFZ450R 2009-2019

ProX offers a wide range of crankshaft bearing of well known brands like Koyo, NTN, etc. in C3 and C4 graduations. The high quality bearings will fit perfectly to OEM and aftermarket crankshafts.

ProX crankshaft bearings are manufactured at leading OEM factories, mainly in Japan. All bearings are made to exact OEM specifications, to ensure maximum quality and performance. ProX uses respected brands like Koyo & NTN to ensure quality. These brands are used by OEM brands like Yamaha, Kawasaki, Honda, Suzuki and KTM. ProX bearings offer high durability.

Take the easy route: ProX Crankshaft Bearing & Seal Kits offer you reliability and carefree driving. The sets contain all parts you need for rebuilding your crankshaft and can be used in combination with all other ProX or OEM crankshaft related products. Next to the high quality ProX connecting rod kits the Crankshaft Bearing & Seal Kits are completing the crankshaft parts program.

Restore reliable crankshaft support and sealing performance with the PROX 23.CBS24009 Crankshaft Bearing and Seal Kit. Designed for Yamaha YFZ450R models from 2009 through 2019, this kit provides a practical solution when servicing the engine’s crankshaft assembly. It combines key replacement components in one package, helping simplify maintenance and supporting a precise, professional installation.

PROX develops replacement engine components for powersports applications with a focus on dependable fit and consistent performance. The 23.CBS24009 kit is intended for use during crankshaft service, engine rebuilding, or preventative maintenance where worn bearings and seals may contribute to noise, vibration, oil leakage, or reduced engine efficiency. Replacing these components together can help restore proper rotating assembly operation and maintain effective crankcase sealing.

Designed specifically for the Yamaha YFZ450R platform, this PROX kit is suitable for riders, technicians, and powersports repair facilities seeking application-specific replacement parts. Verify the model year and engine compatibility before installation, and follow the manufacturer’s service procedures for bearing removal, seal placement, lubrication, and torque specifications. The kit is supplied as a complete bearing and seal set for the listed application.

Features:

• Brand: PROX
• Part Number: 23.CBS24009
• Application: Yamaha YFZ450R, 2009-2019
• Product Type: Crankshaft bearing and seal kit
• Quantity: Complete kit
• Purpose: Supports crankshaft service, engine rebuilding, and replacement of worn bearings and seals