Do it yourself
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Today, we will see in this guide how to replace the engine oil in a TM Racing 125 two-stroke. First, remove the engine guard located at the bottom by unscrewing the fastening screw; then remove the oil drain bolt and let it drain into a container: replace the cap (clean the magnet at the tip first). Once done, replace the cap (the screw) and pour the new engine oil (with the correct specifications) into the designated upper hole, filling to the level (about 600 ml), indicated behind the gear lever.

Updated on 29 March 2026 by ScegliAuto

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