Valve Clearance - Honda CB HORNET 160R 2015 Shop Manual

MAINTENANCE
INSPECTION
Check the following and replace if necessary (recommended
spark plug : page 3-7)
• Insulator for damage
• Electrodes for wear
• Burning condition, coloration
– Dark to light brown indicates good condition
– Excessive lightness indicates malfunctioning ignition
system or lean mixture
– Wet or black sooty deposit indicates over-rich
mixture
Clean the spark plug electrodes with a wire brush or special
plug cleaner.
Check the gap between the center and side electrodes
with a wire-type feeler gauge (wire gauge).
SPARK PLUG GAP: 0.8 ~ 0.9 mm (0.03 – 0.04 in)
If necessary, adjust the gap by bending the side electrode
carefully by using the wire gauge.
INSTALLATION
Install and hand tighten the spark plug to the cylinder head,
then tighten the spark plug to the specified torque using a
equipped spark plug wrench or an equivalent.
TORQUE: 16 N·m (1.6 kgf·m, 12 lbf·ft)
Connect the spark plug cap securely.

VALVE CLEARANCE

INSPECTION
Remove the following:
Inspect and
adjust the valve
– Cylinder head cover (page 7-4)
clearance while
– Spark plug (page 3-7)
the engine is
Remove the timing hole cap and crankshaft hole cap and
cold (below
O-rings.
35°C/95°F).
3-8
CENTER ELECTRODE
INSULATOR
0.8 - 0.9 mm
(0.03 - 0.04 in)
SPARK PLUG
TIMING HOLE CAP
CRANKSHAFT HOLE CAP
SIDE ELECTRODE
SPARK PLUG CAP