kz750e timing marks

im currently installing a dyna ignition system and coils but my timing advancer does not have a mark for the 2-3 fully advanced timing?!? i have set 1-4 already , but 2-3 side just has the "T" mark. how can i indicate the fully advance timing on coil 2-3?? any thing will have, 81 kz750E. i have this question hasn't been beat to death. THANKS!

There are a few ways to scratch a mark of your own.

The easiest is to just take off your advancer and measure the distance of the mark from T mark on 1-4 and just transfer that to 2-3 and make your own mark. The advancer is hardened so it doesn't scratch real easy, and sharpie marks tend to fade very quickly, so I use a center punch and make a tiny dimple.