OEM Carburetor Spring Cap fits KTM & Husqvarna 125-380cc 1994-2016 - 54631231000

This genuine OEM Carburetor Spring Cap is a critical component for maintaining smooth throttle response and consistent engine performance. It serves as a seat for the throttle slide spring, ensuring it applies even pressure against the jet needle and slide assembly. Replacing a worn or cracked cap prevents binding and ensures your carburetor operates exactly as the manufacturer intended.

This part is compatible with an extensive range of 2-stroke motorcycles. It fits KTM models including the 125 EXC, 125 SX, 150 SX, 200 EXC, 200 XC-W, 250 EXC, 250 SX, 250 XC, 300 EXC, 300 XC, and 380 SX from 1994 through 2016. It also fits Husqvarna models such as the TC 125, TC 250, TE 125, TE 250, and TE 300 from 2011 to 2016. This includes various special editions like the Six Days, Factory Edition, and Jackpiner models.

Manufactured from high-quality, fuel-resistant materials, this spring cap is designed to withstand the harsh environment inside a carburetor. Its precise dimensions guarantee a perfect fit within the throttle slide, reducing friction and wear on internal components. Using original equipment parts ensures that your fuel system maintains its factory calibration and reliability.

Installation is straightforward during a standard carburetor cleaning or needle adjustment. Simply place the cap over the needle retainer before inserting the throttle spring. We recommend inspecting this part for signs of fatigue or cracking whenever you perform top-end maintenance or jetting changes to avoid unexpected throttle issues.

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