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How to Replace the Transmission Oil on an Aprilia RS 125

Model: Aprilia Rs 125
Part: Transmission fluid

Video tutorial

Let’s go through the steps to replace the transmission oil while performing routine maintenance on the Aprilia RS 125. First, place the bike on a stand and begin unscrewing the oil drain bolt located under the engine, allowing it to drain into a container for about ten minutes; then clean or replace the small oil filter found inside, as shown in the video.

At this point, top up with new transmission oil, pouring in the correct amount, start the engine, and top up again if necessary.


Updated on 29 August 2026 by ScegliAuto


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Watch the video!


by ScegliAuto

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