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Instructions for Removing the Chain, Sprocket, and Gear on a Derbi Terra 125

Model: Derbi Terra 125
Part:

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In today's video tutorial, you will find instructions for removing and replacing the chain, sprocket, and gear on a Derbi Terra 125. First, remove the cover of the sprocket by unscrewing the fixing screws; then, use something sharp, like a flat screwdriver, to detach the chain from its link, as shown in the video.

Once the chain is removed, unscrew the nut of the sprocket to take it off; then, remove the rear wheel by unscrewing the central bolt, and take off the gear by removing the fixing screws!


Updated on 10 April 2026 by ScegliAuto


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by ScegliAuto

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