Transmission Main Shaft Stop Disc for KTM & Husqvarna 2013-2023 - 77733022000 cooling while the white map is

while the white map is a slightly softer/safer map with a bit more fuel and a bit less ignition advance and is ideally suited to higher compression heads or deep sand riding where the normal Green tune may be a a bit too crisp

and FX 350 models from 2019-2023

ensuring that your motorcycle maintains its original factory specifications and structural integrity

as well as the ES 350

Compatible with KTM 250 SX-F

Transmission Main Shaft Stop Disc for KTM & Husqvarna 2013-2023 - 77733022000 cooling while the white map isThis genuine OEM Stop Disc is a critical component for the transmission assembly of your motorcycle. It acts as a precision thrust washer on the main shaft, ensuring correct spacing between gears and reducing axial friction during operation. Using original factory parts maintains the integrity of your gearbox and ensures smooth, reliable shifting performance. Compatible with KTM 250 EXC F (2014 2023), 250 EXC F Six Days (2014 2023), 250 XC F (2013