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In this video, we will go through all the instructions needed to remove the air filter box and the entire transmission system on a Gilera Runner 125 scooter. First, unscrew the outer screws of the air filter cover; once removed, extract the filter. Next, unscrew all the screws of the clutch cover using a socket spanner, and remove the fan by unscrewing the central nut; then remove the variator and the timing belt, followed by the clutch pack. Follow the video to the end for complete disassembly!

Updated on 12 April 2026 by ScegliAuto

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