Do it yourself
Frequently asked questions about cars and motorcycles
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In this tutorial, we will see how to change the oil in the SYM Symphony 125 SR scooter, a very simple and quick operation to perform every 1,000 miles. First, wait for the engine to be completely cold to ensure safety, then position a container underneath and, using a 17mm spanner, unscrew the indicated bolt. Allow all the oil in the system to drain out, reinsert the bolt, and fill in the required amount of oil through the upper hole. As for the grade, the manufacturer recommends using 10W-30 oil.

Updated on 30 June 2026 by ScegliAuto

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