03.2423 Pro-X Connecting Rod Kit for Yamaha WR450F 2003-2006

Pro-X Connecting Rod Kit for Yamaha WR450F

This Pro-X connecting rod kit is a crankshaft rebuild component for the Yamaha WR450F, listing Pro-X part number 03.2423, and it brings the bottom end back to spec on 2003 through 2006 models when the stock rod is worn.

Overview

The Pro-X connecting rod kit for Yamaha WR450F supplies the rod and matching crank components needed to rebuild the bottom end. It is made for 2003 to 2006 WR450F machines that see regular off-road use. This connecting rod kit serves owners and engine builders handling a full crankshaft service.

Built For Performance

• Connecting rod sized for the Yamaha WR450F engine
• Kit includes the rod, big end bearing, and crank pin
• Pro-X part number 03.2423 for easy identification
• Suited to the stresses of four-stroke off-road riding
• Designed for crankshaft rebuilds rather than bolt-on fitting

Fits These Machines

• for Yamaha WR450F 2003
• for Yamaha WR450F 2004
• for Yamaha WR450F 2005
• for Yamaha WR450F 2006

On-The-Job Use

• Bottom end rebuilds after rod or bearing wear
• Preventive crank service on a high-hour trail bike
• Full engine refresh alongside piston and valve work
• Enduro and trail riding where the WR450F logs long hours

Specs At A Glance

Good To Know

Q: What else should I replace during the rebuild? A: Crank seals, main bearings, and gaskets are commonly renewed at the same time as the connecting rod kit. Q: Does fitting this kit require special tools? A: Yes, pressing the crank assembly together calls for a hydraulic press and crank truing equipment.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.