I know that you guys are tired of answering questions about jetting and I have used the serach and read until the wee hours of the morning about jetting but I think I still need more help. My 2002 is still stock and runs fairly well. It can be kind of hard to start sometimes but most of the time is starts on the first or second kick, I have to use the choke to start it first thing but after its warm I never use the hot start...it won't even try to fire with it out....but it starts fine with no choke and no hot start. When I first got the bike the fuel screw was a little too rich so I leaned it out and it ran better...but it seems that the as the temperature gets close to 100 the bike stutters when you gun the engine but not go past 1/4 throttle. Also the inside of my muffler tip is very black and my plugs have always been very black. It also dies occasionally if I don't warm it up enough. Should I go with a smaller pilot jet.....change clip postions.....mess with the fuel screw more? If you can't tell I'm kind of lost here, jetting is way over my head.