Do it yourself
Frequently asked questions about cars and motorcycles

How to Replace the Piston on an Aprilia SR 150?

Model: Aprilia Sr 150
Part: Engine

Video tutorial

To replace the piston on an Aprilia SR 150, loosen the screws that secure the cylinder to the top of the engine block: once released, detach it completely from its seat to access the piston inside. This can now be freed from the corresponding connecting rod by removing the pin and the corresponding retaining ring; at this point, completely detach the piston from the connecting rod to insert the new one. After installation, reassemble all removed parts.


Updated on 31 October 2026 by ScegliAuto


Related tutorials

Sr 150 To replace the rear shock absorber on the Aprilia SR 150, loosen the bolts that secure it to its housing near the rear wheel: to access the bolts at …
Sr 150 To replace the transmission on an Aprilia SR 150, loosen the bolts located on the top of the casing on the left side of the bike, near the rear wheel…
Sr 150 Before starting, position your Aprilia SR 150 on the centre stand. Begin by undoing and removing the central nut that secures the front wheel axle. T…

How to Change the Gear Oil on a Vespa 125 LX?

To change the gear oil on a Vespa 125 LX, unscrew the drain plug of the reservoir that contains the oil: this is located at the lower rear of the transmission casing, on the left side of the bike near the rear wheel. Once the drain plug is removed, collect the oil in a container until it is empty. At this point, top up through the breather located at the rear of the bike by adding the necessary amount of oil and then close the plug.

Watch the video!


by ScegliAuto

More videos