To check the fuel is getting to the carbs, open the float bowl drains a bit and ensure fuel flows from them. If it doesn't, you have a fuel problem!

If that's good, check you are getting a spark.
_________________
MC21SP Plaything
BMW F800GS Bumblebee
Triumph 9551 Daytona Big boys toy
FJ1100 Sporting relic
GTS1000 oddball