2 thousands of an inch or 0.05mm, it's very small! You'll need to bend the very tip of your feller gauge to get at the tapet clearance. For reference, it's very roughly 1/4 turn out of the tapet from lightly seated. You'll also need a 9mm ring spanner for the lock nut.
"What is the valve clearance on 1992 Honda accord?"
VALVE CLEARANCE FOR A 2000 HONDA CIVIC EX 2 DOOR
Valve clearance for a Honda GC160 engine; Inlet 0.15 +/- 0.04mm Exhaust is 0.20 +/- 0.04mm
Honda C90 Manual
the valve clearance is 0.002" on both intake and exhaust.
.003"
The Valve clearance for a 1993 TRX Honda Fourtrax is 0.03 on a feeler gauge. 0.03 -intake 0.03-exhaust
.006
0.05mm
b16a valve clearence
The clearance it is .0002 for the intake and .0003 for the exhaust.
Intake valve .003, exhaust valve .005.