The PROX Connecting Rod Kit, part number 03.2232, is engineered for dependable performance in select Yamaha two-stroke motorcycles. Manufactured by PROX to original equipment specifications, this connecting rod kit is designed to provide a precise fit, consistent operation, and reliable durability during engine service or rebuild applications.
Each kit includes the essential components needed for connecting rod replacement, including the crankpin, big-end bearing, small-end bearing, and washers. PROX uses high-strength alloys and carefully controlled manufacturing tolerances to support proper crankshaft operation and long service life. The components are developed to meet or exceed the functional requirements of the original equipment design.
Feature: High-strength alloy connecting rod construction
Feature: Original equipment specifications and tolerances are meticulously maintained
Feature: Kit includes crankpin, big-end bearing, small-end bearing, and washers
Feature: Designed for engine rebuilding and connecting rod replacement applications
This PROX 03.2232 connecting rod kit fits the 2022, 2023, 2024, and 2025 Yamaha YZ125, as well as the 2022, 2023, 2024, and 2025 Yamaha YZ125X. Verify the model year and application before installation, and follow the motorcycle manufacturer’s service procedures for crankshaft disassembly, bearing installation, and engine assembly.
Features:
- High-strength alloy connecting rod construction
- Original equipment specifications and tolerances are meticulously maintained
- Kit includes crankpin, big-end bearing, small-end bearing, and washers
- Designed for Yamaha YZ125 and YZ125X engine rebuilding applications
- PROX part number 03.2232
Fitment:
2022 Yamaha YZ125
2022 Yamaha YZ125X
2023 Yamaha YZ125
2023 Yamaha YZ125X
2024 Yamaha YZ125
2024 Yamaha YZ125X
2025 Yamaha YZ125
2025 Yamaha YZ125X