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In this tutorial we can see how to replace the engine oil in the Kawasaki Ninja 400, an extremely simple and quick operation. First of all, we wait for the engine to cool down enough, in order to work safely, then we position a container under the bike, locate the drain hole bolt and unscrew it using a 17mm socket wrench. We then let all the oil in the system drain out, unscrew the old filter, and tighten both the replacement filter and the bolt. At this point, all that's left to do is to pour the necessary amount of oil through the designated upper hole.

Posted on 20 November 2025 by ScegliAuto

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