Sometimes I use a plastic straw throught the spark plug hole to find TDC instead of the fly marks that can be difficult to find. Then I would simply remove the valve cover caps, back the adjusters off a couple of turns, and watch them at each TDC point. You'll figure out which rotation has the valves in the relaxed position that way. Then, adjust them to the .003 or whatever and run it.
If there's still a tick you may have a worn out cam chain and gears or the ever so often bad cam journals and a worn head.
Changing the oil on 350X seems to be very important.
All our government does is distract us while they steal from us, misspend our tax $ and ruin our country