Honda CB1100 2017 Owner's Manual page 67

20161019161055_32MGC6500_eng_BOOK Page 67 Wednesday, October 19 2016 16:12:26 JST
Spark Plug Checking Spark Plug
u
Check the spark plug gap using a wire-
5.
type feeler gauge.
If adjustment is necessary, bend the
u
side electrode carefully.
The gap should be:
0.8 - 0.9 mm (0.03 - 0.04 in)
Spark plug gap
Make sure the plug washer is in good
6.
condition.
Install the spark plugs. With the plug
7.
washers attached, thread the spark plugs
in by hand to prevent cross-threading.
64
Tighten the spark plug:
8.
●
●
Side electrode
NOTICE
An improperly tightened spark plug can damage
the engine. If a plug is too loose, a piston may be
damaged. If a plug is too tight, the threads may
be damaged.
Reinstall the spark plug caps. Take care to
9.
avoid pinching any cables or wires.
If the old plug is good:
1/5 turn after it seats
If installing a new plug, tighten it twice
to prevent loosening:
a) First, tighten the plug:
NGK: 1/4 turn after it seats.
b) Then loosen the plug.
c) Next, tighten the plug again:
1/5 turn after it seats.