Can i spary carb cleaner into carb?

i would like to spary some carb cleaner into the carb, i took off the air filter, and i want to spary directly into the 4 carbs,.will this clean my carb? or damage my carb? I don't want to take off the carb compelety, it could take 1 week to clean it, i only have few hours each day to work on my bike, any ideal?
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