I too assumed the decomp valve would mean you could dispose of any previously necessary ritual and just kick it over but a few such attempts got nowhere so I reverted to the ritual I used in the 80s on my MZ 250 two stroke single. That is, with ignition off, free the clutch and then find TDC and give one kick. The find TDC again, turn ignition on and kick again. Wait until the kickstart is fully depressed and slightly open the throttle. I find that as long as the air temperature is 5 or more it works every time. It generally works OK with choke above zero. However on really cold days it is a pig to kick start. I've decided to use the kickstart more or less routinely in the summer months at least since I'm well out of warranty and don't wish to have to pay for a sprag clutch. (I've got the new version after two warranty claims but when it's so easy to kick start why not?) I'm not saying the above routine is the best, let alone only, way to do it. I'm only using this method cos it worked way back when, (and it was pretty much the ONLY way with the MZ), but it works well for me.