Exhaust Control Spring Insert for KTM Husqvarna GasGas 1994-2026 - 54637071200

This genuine OEM spring insert is a critical component of the exhaust control system on high-performance two-stroke engines. It provides a secure seat for the power valve spring, ensuring smooth and consistent operation of the exhaust timing mechanism. By maintaining proper tension and alignment, this part helps optimize engine power delivery across the RPM range.

This part fits an extensive range of models, including KTM 85 SX, 125 SX/EXC, 250 SX/EXC/XC, and 300 EXC/XC-W from 1994 to 2026. It is also compatible with Husqvarna TC 85, TC 125, TC 250, TE 150/250/300, and TX 300 models. Additionally, it fits GasGas MC 85, MC 125, MC 250, EC 250/300, and EX 250/300 models. This versatility makes it a standard replacement for most modern 2-stroke off-road motorcycles in the KTM group.

Manufactured to precise factory specifications, this insert is made from durable materials designed to withstand the high temperatures and vibrations found within the engine casing. Replacing a worn or damaged insert is essential for preventing power valve sticking or inconsistent throttle response. Using original equipment parts ensures a perfect fit and long-term reliability for your motorcycle's internal assemblies.

Check compatibility list below to see if this part fits your motorcycle model.