My 2003 Suzuki Katana GSX600F shuts off after ten to twenty seconds after start. It doesn't spit and sputter, it just shuts down. I have loosened the bowl screws while it's running and confirmed that there is fuel there. The bike was sat in storage for six years because of this. I got it out yesterday and the problem persists. How should I proceed with the diagnosis?

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    Does it start again immediately? What happens if you hold the revs higher? Has it been serviced (Fuel and air intake filters in particular)? Also, are you using fresh fuel? – Dan Oct 1 '13 at 9:20
  • ^this pretty much sums up all the checks you need to do. – Captain Kenpachi Oct 1 '13 at 9:47