idle

Hi guys. I have a Husqvarna SMR510 2008 with 75 hours on it and I'm a second owner. When the bike is cold and I try to start it, it takes a few seconds to start, but it eventually starts. I ride it for let's say 20 minutes and when I'm at a stoplight it dies and I can't fire it up again. I have...

Looking at buying this 2009 wr 250x with 3000 miles on it. Only mod is a fmf pipe. The guy got it out this season and has only ridden it 18 miles but says it shut off on him once while riding it. When he bought the bike from the dealer it had the pipe on it already. When I started it up it idled...