Tenchu 2-burn help

[Demolidor]

Tenchu 2 pal/uk,image file size:708 mb
Just burn it on a 700 mb or what?
If anyone has succesfully made a backup,plz tell me how.Thx.
Got cdrwin 3.8d and nero5(and easy cd creator)

[Demolidor]

Never mind,burned it on a 650.Seems to be working.