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Model: Gilera Runner 125
Part:

In this video tutorial, you will learn how to overhaul and install the variator and transmission components of a Gilera Runner 125 scooter. First, check that all your components (drive belt, primary and secondary gears, variator, and rollers) are in perfect condition; then position your gears and subsequently the variator with the rollers inside. Next, position the clutch and the drive belt to the fan, and then tighten the bolts to reassemble the engine cover, following the video until the end!

Updated on 2 April 2026 by ScegliAuto

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by ScegliAuto

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