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ensuring a reliable seal and optimal compression
The M10 diameter and 1
Whether you ride a vintage 2000 KTM 400 SX or a modern 2026 Husqvarna FE 350
The zinc-plated finish offers superior resistance to corrosion and environmental wear
Yellow Auxiliary Exhaust Control Spring for KTM 250/300 1996-2023 - 54637072300 tricou ensuring a reliable seal andThis genuine OEM yellow auxiliary spring is a critical component of the exhaust control system. It is designed to regulate the power valve's opening timing, allowing riders to fine tune the engine's power delivery and torque curve. As an original equipment manufacturer part, it ensures precise tension and long lasting performance for your 2 stroke engine. This spring is compatible with an extensive range of models. It fits KTM 250 and 300 EXC, SX, XC,
