Jet Too big , problem worsens?

Okay, ive ordered a larger jet because that is clearly what i need because when i go full throttle it just starts to strain then dies until i slow down, so i ordered a size 102 jet, and put it in, and it just strains when i accelerate, it idles fine, but just strains really hard when i accelerate, why on earth is it doing this? ive fiddled with the mixture screw but still nothing, someone please explain?

thanks

:beg:

 

what main jet were u running b4 my neos only runs a 72 and its not too bad?

 

i was running a 76 and it was really bad, then i got an 80 and it was a bit better and i tried putting a 102 in and it doesnt bog, it just strains like its not getting enough fuel