03.1090 Pro-X Connecting Rod Kit for Honda CRF50F XR50R 2000-2012

Connecting Rod Kit for Honda CRF50F & XR50R

This Pro-X connecting rod kit (OEM cross-reference 03.1090) is a complete crankshaft rod assembly for rebuilding the bottom end of your Honda 50cc engine.

Overview

This Pro-X connecting rod kit for Honda CRF50F and XR50R models delivers the critical link between piston and crankshaft in your mini four-stroke engine. The connecting rod kit restores proper rod-to-crank geometry so your top end can spin reliably again. It is built for riders and mechanics rebuilding worn or damaged 50cc engines.

Built For Performance

• Pro-X connecting rod kit engineered to OEM dimensions for a direct-fit rebuild
• Includes rod, bearing, and pin as a matched assembly for consistent balance
• Heat-treated alloy steel construction for strength under high-rpm mini moto use
• Precision-machined big end and small end bores for accurate bearing fit
• Cross-references OEM part 03.1090 for easy verification

Fits These Machines

• for Honda CRF50F 2000-2012
• for Honda XR50R 2000-2012

On-The-Job Use

• Bottom-end rebuilds on worn or seized 50cc engines
• Top-end refresh jobs where the rod shows play or discoloration
• Mini moto and pit bike engine repair
• Youth dirt bike maintenance and restoration work

Specs At A Glance

Good To Know

Q: Does this kit include the bearing and pin? A: Yes, this connecting rod kit is supplied with the rod, bearing, and pin as a matched set for the rebuild. Q: Do I need to split the cases to install it? A: Yes, installing a connecting rod requires splitting the crankcase and pressing the crank assembly, so professional tools and experience are recommended.

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