2006 Yamaha Stratoliner S "seat wont lay down" Questions

wont start I was wondering if anyone could help me out. My friend has a yamaha FZ 750 TV and he layed it down at about 45. The bike only really sustained some body damage and nothing on the engine was

...wont start. Spark plugs are firing and new. When I move the choke while holding the starter the sound of the engine changes but no fire at all. Instructions 1 Lift the CBR onto its center stand. ...