fireblade

Hello! I´m mounting a DT125 motor in a kart, but I have to build a CDI, because my is broke. I have the schematic, but I need to know the ignition timing curve. I finded that at 1350rpm it should be about 17 degrees, but I need other points to build the curve. Can someone help me to find out the DT125 ignition timing curve. Many thanks, and sorry my bad english.