Do it yourself
Frequently asked questions about cars and motorcycles
Car tutorial (Do it yourself) Motorcycle tutorial (Do it yourself) Frequently Asked Questions
This guide shows how to change the gear oil on a Piaggio Vespa PX 125. The first step is to remove the right side panel. Place a container under the gearbox to collect the used oil. Using an 11 mm spanner, unscrew the drain plug located at the bottom of the gearbox. Use a flathead screwdriver to unscrew the fill hole cap. Once all the lubricant has drained, close the drain plug and clean up any spilled oil. Using a syringe, insert the new gear oil into the reservoir; approximately 250 ml of fluid is required. Tighten the reservoir screw and clean up any excess oil. Refit the side panel and run the engine for a few minutes to circulate the oil.

Updated on 15 May 2026 by ScegliAuto

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