If ST is the same as the rest of the YB family, then you should have an arrow on each cam pulley, these should face each other. (This is only possible in the one and only correct position)
The crank pulley has a V notch, which I don't think yours will as it's EEC managed and will have a 36-1 affair, so this may not be true.
Also ST has WS if I am not mistaken, and thus it has no dizzy?
Martin