Transmission Circlip WS20 for KTM 85 SX & 640 LC4 1996-2025 - 0417200120

This genuine OEM Circlip WS20 is a critical retaining component used in both the transmission main shaft and timing drive assemblies. It is designed to provide secure axial positioning for gears and camshaft components, ensuring stable operation under high-stress conditions.

This part is compatible with a vast range of motorcycles, including the KTM 85 SX, Husqvarna TC 85, and GasGas MC 85 models from 2018 to 2025. It also fits classic LC4-engine bikes such as the KTM 400, 620, 625, 640, and 660 Adventure, Duke II, and Supermoto models produced between 1996 and 2007.

Manufactured from high-quality spring steel, this retaining ring offers the precise tension and durability required for internal engine and gearbox environments. Replacing worn circlips during maintenance is essential to prevent component displacement and potential engine damage.

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