Exhaust Control Closing Cover for KTM 85-300 SX/EXC 1998-2026 - 55537035000

This genuine OEM closing cover is a critical component for the exhaust control system on high-performance 2-stroke engines. It serves as a protective seal for the power valve adjustment mechanism, ensuring that the internal components remain free from dirt and debris while maintaining proper pressure. As an original part, it guarantees the precise tolerances required for optimal engine performance.

This part features exceptionally broad compatibility across the KTM, Husqvarna, and GasGas lineups. It fits KTM 85 SX, 125 SX/XC, 150 SX/EXC, 250 SX/EXC/XC, and 300 EXC/XC models from 1998 to 2026. It is also compatible with Husqvarna TC 85, TC 125/250, TE 150/250/300, and TX 125/300 models, as well as GasGas MC 85, MC 125/250, and EC/EX 250/300 models from 2021 onwards.

Manufactured to exact factory specifications, this cover ensures a perfect fit and reliable performance under extreme racing conditions. The durable construction helps prevent leaks in the exhaust control assembly, which is vital for maintaining consistent power delivery and crisp throttle response throughout the RPM range.

When performing top-end maintenance or adjusting your power valve, inspect the closing cover and its associated gasket for signs of wear or heat damage. Replacing a worn or warped cover helps maintain the integrity of your engine's exhaust timing system and prevents oil seepage from the engine case.

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