Welcome i had a 04 636 myself loved that bike but upgraded to big brother 05 zx10. Sound like the sidestand switch has gone bad replace that or bypass it problem solved.
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Well that's another way to do it, glad you got it fixed! :thumbsup:Cut the 2 wires going into the kickstand switch. Soldered them together with some heat shrink. Starts every time in N. No issues.