My kx 250 has no spark?

my kx was bogging out and then it stalled i couldnt get it started so i had to push it home it was a very wet day i took the spark plug out and tested it 2 see if it had any spark but it didnt then i took the cap off the coil and looked 2 see if that had any spark it didnt i also connected a test lamp 2 my cdi but it didnt light up what else can i try