Mine kept stalling on startup as a result of running to lean.

The link below to cens NT-16 tuning guide gives some usefull information like carb settings (good to get you going if you mess up) and also the recommended engine temperatures. If you havnt got a temperature gun or monitor i would reccomend one they save a lot of time guesing.

http://www.cenracing.com/downloads/E...oc%20NT-16.doc