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Replacing the Air Filter on a Ducati Monster 821

Model: Ducati Monster 821
Part: Air filter

Video tutorial

In today's tutorial video, we will see the main steps to remove and replace the air filter of a Ducati Monster 821. First, remove the seat using the key, and unscrew the lower screw of the tank, detaching the bracket; then open the upper lever and lift the tank.

At this point, remove the two electrical connectors and disconnect the fuel hose; this gives access to the air filter box, where you will extract it and replace it with the new one, as shown in the video: now reassemble everything!


Updated on 31 March 2026 by ScegliAuto


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How to replace the air filter on the Aprilia SR 125 scooter?

In this tutorial, you can see how to replace the air filter on the Aprilia SR 125 scooter, a very simple and quick operation. First, wait for the engine to be completely cold, then locate the airbox and, using a simple cross-head screwdriver, unscrew all the screws around its perimeter. Next, remove the front part of the box, extract the old filter, and clean the inside of the housing from any dirt residue. Once the replacement is inserted, simply follow the reverse procedure to reassemble everything.

Watch the video!


by ScegliAuto

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