My dirt bike wont start?

[John C]

i have a 89 rmx 250 i laid it down yesterday in the snow before i could pick it back up it stalled when it stalled it stalled hard i let it set up for alittle bit and tried to start it it wouldnt start so i left it for an hour and tried again it still didnt do anything so i let it set till the next day and tried again it still didnt start so i replaced the plug and still no start.why wont it start? could it have blown up? help me lol