Hello and welcome! First thing you need to know is the difference between 'curvy' and 'pointy' and the model year designation: 2002=K2, 2003=K3 etc. All K3 onwards are POINTY, all K2 and earlier are CURVY. 'S' models have fuel injection, bikini fairings and clip on bars, 'N' or NAKED models have round lights, carbs, straighter upright bars and no fairing. Curvy and pointy models come in both S and N flavours. As everyone knows, the best and fastest model is the K3 S in Silver. There's a (mostly) friendly rivalry between pointy and curvy owners. Most are 650cc, many are 1000, a few are 400. Hope this is useful. Though as I've been writing this on a mobile phone for the last hour, someone's probably explained this already!