For owners of Honda 125cc and 250cc motorcycles, maintaining peak transmission performance is crucial. At the heart of this system lie the main and secondary axles, critical components responsible for transferring power from the engine to the rear wheel. Worn or damaged axles can lead to poor shifting, power loss, and significant mechanical issues. This is where precision-engineered replacements become essential. We specialize in manufacturing high-quality, direct-fit replacement axles designed to meet or exceed OEM specifications. Whether you need a durable Honda Motorcycle Main Shaft Countershaft set, a reliable Honda Bike Primary Axle Secondary Axle, a complete Honda Motorcycle Transmission Main Axle Output Axle assembly, or a robust Honda Engine Main Shaft Counter Shaft, our products ensure seamless gear engagement and restored power delivery for your bike.
Every Honda Motorcycle Main and Secondary Axle for 125CC 250CC Models in our inventory is the result of meticulous engineering and rigorous testing. We utilize premium-grade alloy steels, often 8620 or 4140 chromoly, which are then subjected to advanced heat-treating processes like carburizing and tempering. This creates an optimal balance of a hardened, wear-resistant surface and a tough, shock-absorbing core. Each component is precision-machined on CNC equipment to ensure perfect dimensional accuracy, including spline profiles, bearing journal diameters, and oil passageways. This guarantees a perfect fit and eliminates the need for modifications during installation. Below are the detailed specifications and material properties that define the superior quality of our axle sets.
| Component Name | Primary Application (Model Range) | Overall Length (mm) | Major Spline Specification | Key Bearing Journal Diameter (mm) |
|---|---|---|---|---|
| Main Shaft (Primary Axle) | Honda CG125, CB125, CRF250 | 245.5 ± 0.1 | 24T / Module 1.0 | 20.0 (-0.02, -0.04) |
| Countershaft (Secondary Axle) | Honda CG125, CB125, CRF250 | 228.0 ± 0.1 | 17T / Module 1.25 | 25.0 (-0.02, -0.04) |
| Transmission Output Axle | Honda XL250, XR250 | 262.3 ± 0.1 | 18T / Module 1.25 | 28.0 (-0.02, -0.04) |
| Engine Main Shaft Assembly | Honda CBR250R | 198.7 ± 0.1 | Integrated Gear Design | 22.0 (-0.015, -0.034) |
