I read online somewhere, a description of the Ninja 250 as “cold blooded”, and this seems very true.
I usually walk it out of my garage in the morning (don’t want the exhaust filling up inside) and start her up following the user manual’s instruction (full choke, then easing off little by little to keep the RPMs under 2600).
The bike always starts up fine and eventually when at a steady idle I turn off the choke at let her sit for a few minutes (per the user manual).
But, I’ll almost always stall trying to leave my inclined driveway. To add to the problem, I live on a State Road where the speed limit is 35MPH, however motorists are pushing 50MPH past my driveway. I’ve read suggestions to start off easy when the bike is just warmed up, but I’ll get creamed pulling out and merging if I don’t get up to speed quick.
I’ve been leaving for work about an hour earlier just to beat the rush hour traffic on my road and allow me to pull out of my driveway without stopping and gradually throttle on to warm up.
I read the link provided by eternal05 which recommends driving with the choke on at the beginning which I’ll try.