All Balls Front Sprocket Overhaul Kit 25-4045

The All Balls countershaft repair kit 25-4045 is a complete maintenance solution for the countershaft section of the transmission in popular 125cc motocross motorcycles. Specially designed for riders who prioritize reliability and consistent maintenance.

• Application: Transmission / Clutch, Front — focused on maintaining the countershaft area of the drivetrain.
• Compatibility: Fits Husqvarna TC 125 and KTM SX 125/150 models from 2016–2021.
• Contents: Complete repair kit with seals, O-rings, and a snap ring for secure installation.
• Brand Quality: All Balls is renowned for drivetrain and transmission parts built for durability and reliable performance.

This repair kit replaces the critical seals and rings around the countershaft, reducing oil leakage and strengthening transmission protection. The kit is designed for easy installation during routine maintenance sessions and delivers consistent, reliable gear performance—essential for aggressive riding and off-road activities.