Engine Oils For 4-stroke Engines (4T)
MZ SX 125 2003

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JMC Maxx 10W50 4T Synthetic Engine Oil 1L

After a mileage of 200km no peaceful symptoms. The transmission also works quite correctly. The color of the oil is slightly yellowish. If it were a little cheaper I would switch to it permanently, while at this price you can choose a lot of other oils. Overall I recommend.