I have very rarely seen a carb
with significant carbon deposits Rayjay. The ones that did have some were running too lean and kind of 'cooked' their carbs.
If your not in that position, then you should be able to do fine periodically spraying cleaner directly into the throat, around all the pilot
holes bottom below the butterfly valve, the front pilot air hole, and at the base of the needle where it slides into the needle jet.
If you cooked it, you might need to get it off the bike and disassemble it to do a satisfactory job.