PROX Piston Kit XL125S / CG125 (01.1176.025)

Engineered to restore power and reliability in Honda XL125S and CG125 motorcycles, this PROX Piston Kit is an OEM-quality replacement that fits the top end with precision and confidence.

The kit is built around a 56.75 mm bore (0.25 mm oversize), offering a reliable rebuild option when compression needs a refresh or a performance restore. Each kit is designed to ProX exact specifications and high standards, with components supplied to replace the entire top-end assembly.

• Includes: piston, piston rings, wrist pin, and circlips for a complete overhaul.
• 0.25 mm oversize option to restore bore integrity and seal, with standard-size alternatives available in the broader ProX lineup.
• Durable piston construction with heat and wear resistance to endure demanding riding conditions.
• Optimized combustion efficiency and improved engine responsiveness for smoother power delivery.
• Specifically designed for XL125S and CG125 models, enabling straightforward installation with a reliable fit.
• OEM-quality replacement sourced from manufacturers aligned with ProX specifications and quality benchmarks, with many kits produced in Japan by reputable OEMs.

Whether reviving a vintage XL125S or upgrading an enduring CG125, this piston kit provides a proven path to extended engine life, restored compression, and consistent performance without compromising OEM integrity.

Excellent economic alternative when you are looking for an OEM quality replacement piston

Mainly manufactured in Japan by reputable Original Equipment Manufacturers to ProX exact specifications and high quality standards

Sleeved cylinder piston kits are available in standard size and a Wide range of oversizes

Plated cylinder piston kits come in standard size, as well as in A, B, C and D oversizes if available

ProX leads the industry in cast and forged pistons made specifically to replace OEM parts

Comes complete with pistons, piston rings, wrist pin and circlips

The PROX Piston Kit XL125S / CG125 (Part Number 01.1176.025) is designed to enhance the performance and reliability of your motorcycle engine. Crafted with precision, this kit includes high-quality components that ensure optimal fit and function. The piston features a durable construction suitable for demanding riding conditions, providing both power and longevity. Engineered for easy installation, this kit is ideal for restoring or upgrading your motorcycle's engine performance.
Constructed from robust materials, the PROX piston offers excellent heat resistance and wear durability, ensuring consistent operation over time. Its design promotes efficient combustion and smooth operation, contributing to improved engine responsiveness and fuel efficiency. Whether you're restoring a vintage model or upgrading a modern bike, this piston kit provides a reliable solution for maintaining peak engine performance.
Designed specifically for XL125S and CG125 models, the kit includes all necessary components for a complete overhaul. Proper installation and maintenance will extend engine life and improve overall vehicle performance, making it a valuable addition to any motorcycle repair or customization project.

Features:

• High-quality piston kit designed for XL125S and CG125 models

• Durable construction with excellent heat and wear resistance

• Optimized for improved combustion efficiency and engine responsiveness

• Includes all necessary components for a complete overhaul

• Easy to install with reliable fit and performance