| The 'destructions' aren't 100% gospel...
Take the airfilter off and see wether the choke covers the throat or not.. Then you'll know which is on or off...
After a run pull your plug out and inspect it, check how wet or dry it is etc...You will the know what you need to do with the jetting...
You can also adjust how rich/lean it is using the adjustment in the carb.. | 
