The PROX 03.2440 Connecting Rod Kit is designed to restore dependable performance in select Yamaha four-stroke off-road motorcycles. Manufactured to original-equipment specifications and tolerances, this kit provides a precise replacement solution for worn or damaged connecting rod components. It is engineered for reliable operation under the demanding loads associated with motocross, trail riding, and competition use.
This PROX connecting rod kit is made from high-strength alloys selected for durability and consistent performance. The complete assembly includes the connecting rod, crankpin, big-end bearing, small-end bearing, and washers, providing the primary components needed for a thorough bottom-end service. Carefully controlled manufacturing helps support proper fit, smooth crankshaft operation, and long-term reliability when installed with the correct service procedures.
Fitment includes 2010-2017 Yamaha YZ450F models and the 2016-2017 Yamaha YZ450FX. Confirm the motorcycle model year and engine application before installation. The manufacturer part number is PROX 03.2440, and the vendor part number is 03.2440. Professional installation and inspection of related crankshaft, crankcase, and lubrication components are recommended to help ensure correct assembly and dependable service life.
Features:
- High-strength alloy construction supports durability in demanding riding conditions.
- Manufactured to original-equipment specifications and tolerances for accurate replacement fit.
- Complete kit includes crankpin, big-end bearing, small-end bearing, and washers.
- Fits 2010-2017 Yamaha YZ450F and 2016-2017 Yamaha YZ450FX motorcycles.
Features:
- High-strength alloy construction supports durability in demanding riding conditions.
- Manufactured to original-equipment specifications and tolerances for accurate replacement fit.
- Complete kit includes crankpin, big-end bearing, small-end bearing, and washers.
- Fits 2010-2017 Yamaha YZ450F and 2016-2017 Yamaha YZ450FX motorcycles.
Fitment:
2010 Yamaha YZ450F
2011 Yamaha YZ450F
2012 Yamaha YZ450F
2013 Yamaha YZ450F
2014 Yamaha YZ450F
2015 Yamaha YZ450F
2016 Yamaha WR450F
2016 Yamaha YZ450F
2016 Yamaha YZ450FX
2017 Yamaha WR450F
2017 Yamaha YZ450F
2017 Yamaha YZ450FX
2018 Yamaha WR450F
2018 Yamaha YZ450F
2018 Yamaha YZ450FX
2019 Yamaha WR450F
2019 Yamaha YZ450F
2019 Yamaha YZ450FX
2020 Yamaha WR450F
2020 Yamaha YZ450FX