Older 700 seized?

[Crooked Creek Trails]

Have an older 700 that will not pull to start. What could be the issue besides the obvious Seized motor.? dont know much about this sled.

 

[MrSled]

Have an older 700 that will not pull to start. What could be the issue besides the obvious Seized motor.? dont know much about this sled.

Could be a broken connecting rod, something got in the intake or exhaust ports smashing into the piston. Did it go down driving it?