Do it yourself
Frequently asked questions about cars and motorcycles

Model: Ktm Exc 125
Part:

In this video, see the instructions for removing and replacing the chain, sprocket, and pinion on a KTM EXC 125. First, position the bike on a stand and remove the chain link lock; remove the pinion cover and detach the chain, also removing the pinion as shown in the video. At this point, unscrew the central bolt of the rear wheel to remove it; then unscrew the fixing screws of the sprocket using a Torx screwdriver, and fit the new one. Finally, reassemble everything, following the video to the end!

Updated on 4 April 2026 by ScegliAuto

Video tutorial

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