That's it!
Repeat on the remaining cylinders, put the bike back together,
start it up, and see how it sounds.
It's a good idea to synchronize the carburetors after
a valve clearance. Some people do that themselves with
a set of mercury carb sticks. I just took it to a shop
for a quick check, since I never bought carb checks
or the special fittings that go on the intake stems,
nor the special screwdriver with the 90 degree tip to make the adjustments.