Yellow Auxiliary Exhaust Control Spring for KTM 250/300 1996-2023 - 54637072300 tricou 2020 Husqvarna FC 350

2020 Husqvarna FC 350

evaporative canister

Regular piston replacement is essential for maintaining peak power and preventing costly engine damage

Whether you ride a vintage 2000 KTM 400 SX or a modern 2026 Husqvarna FE 350

Yellow Auxiliary Exhaust Control Spring for KTM 250/300 1996-2023 - 54637072300 tricou 2020 Husqvarna FC 350This 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,