Hi,
I had a DNA 125 and this was a 4 stroke. The 50 I had was also 4 stroke. The may of done two strokes? You need to find out really before hand/
However 4 storke no oil needed just keep an eye on your engine oil.
If it is a two stroke DO NOT mix with petrol. There will be a seperate tank and it will mix automatically. Be near the petrol tank which is under tank.
Find out before you go riding if it is a two stroke then no OIL will mean a seized engine.
dr spock
October 2009