When should be the first time OIL to change for Mazda 3 - 1600 cc
 

I have a question regarding first Oil change , in the manual its written to change at 10,000 KM
some people here in Egypt says that I should change the motor oil and its filter first time at 1000 KM is that right ?
or could I make it firstly at 10,000 KM ( I believe to change it after 10,000 KM so what do you think technicians )

hi guys please answer me :)

Change it after about 1600km, then about every 4800-8000km. Given you are where you are, I would change it about every 5000km. Not sure what your manual says, but if it says to use 5W20, I would use 5w30.

What does these number means ?
5w-50 foe example ?
and 20w-50 whats the different with number s?

Please use what Mazda recommends for oil. Don't be afraid to change your oil often. I'm guessing it is hot and possibly dusty where you are? these conditions will require frequent oil changes.
You can get answers to oil numbers Google, oil viscosity.