2004 yamaha 300 hpdi issue

anybody ever heard of this issue? If I tilt the motor up for any length of time, when I lower it the motor will not crank, it will turn over but will not fire. if I leave it down for 30-45 minutes it will crank
thanks,

COMPLETELY DEAD OR SPINS BUT WILL NOT RUN?

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sounds like the kill switch is pulled out… spins over just fine but will not fire up.