Honda CBR125R, Owner'S Manual

Page: 68 / 430

MAINTENANCE
3-12
Check the valve clearance by inserting a feeler
gauge between the adjusting screw and valve stem.
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.
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.
VALVE CLEARANCE:
IN: 0.06
±
0.02 mm (0.002
±
0.001 in)
EX: 0.27
±
0.02 mm (0.011
±
0.001 in)
FEELER GAUGE
ADJUSTING SCREW
TOOLS:
Valve adjusting wrench
07708-0030300
Lock nut wrench 07708-0030100
TORQUE: 10 N·m (1.0 kgf·m, 7 lbf·ft)
ADJUSTING WRENCH
LOCK NUT
FEELER GAUGE
O-RINGS
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)
TIMING HOLE CAP
CRANKSHAFT HOLE CAP