Honda CBR125R Owner's Manual page 68

MAINTENANCE
Check the valve clearance by inserting a feeler
gauge between the adjusting screw and valve stem.
VALVE CLEARANCE:
IN: 0.06 ± 0.02 mm (0.002 ± 0.001 in)
EX: 0.27 ± 0.02 mm (0.011 ± 0.001 in)
ADJUSTMENT
Adjust by loosening the lock nut and turning the
adjusting screw until there is slight drag on the
feeler gauge.
Apply engine oil to the lock nut threads and seating
surface.
Hold the adjusting screw and tighten the lock nut to
the specified torque.
TOOLS:
Valve adjusting wrench
Lock nut wrench
TORQUE: 10 N·m (1.0 kgf·m, 7 lbf·ft)
Recheck the valve clearances.
Install the cylinder head cover (page 8-7).
Apply engine oil to new O-rings and install them to
each hole cap.
Install and tighten the timing hole cap and crank-
shaft hole cap to the specified torque.
TORQUE:
Timing hole cap:
6.0 N·m (0.6 kgf·m, 4.4 lbf·ft)
Crankshaft hole cap:
8.0 N·m (0.8 kgf·m, 5.9 lbf·ft)
3-12
ADJUSTING SCREW
FEELER GAUGE
07708-0030300
07708-0030100
ADJUSTING WRENCH
TIMING HOLE CAP
CRANKSHAFT HOLE CAP
FEELER GAUGE
O-RINGS
LOCK NUT