Transmission Main Shaft Stop Disc for KTM 250 EXC-F/XC-F 2013-2023 - 77733021000

This genuine OEM Stop Disc is a critical component of the transmission's main shaft assembly. It is designed to ensure proper spacing and alignment of the gears, preventing excessive lateral movement and maintaining smooth shifting performance under load.

This part is compatible with an extensive range of models, including the KTM 250 EXC-F, 250 SX-F, 250 XC-F, and Freeride 250/350 from 2013 to 2023. It also fits Husqvarna FE 250, FC 250, and Heritage models, as well as GasGas EC 250F and EX 250F motorcycles.

Manufactured from high-quality hardened steel, this stop disc is built to withstand the high-friction and high-stress environment of the gearbox. Using original factory parts ensures the longevity of your transmission and prevents premature wear on adjacent gears and shafts.

When performing a transmission rebuild or inspecting the main shaft, it is recommended to replace worn shims and discs to maintain factory tolerances. Proper installation ensures that gear engagement remains precise and reliable during off-road or track use.

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