Spark Plug - Honda GL1800 Service Manual

Hide thumbs Also See for GL1800:

Table of Contents

Remove the plug from the air cleaner housing drain

hose and drain the deposits into a suitable con-

tainer, then reinstall the plug securely.

Install the left cylinder head side cover and tighten

the socket bolts.

TORQUE: 10 N·m (1.0 kgf·m, 7 lbf·ft)

Install the rubber plugs.

SPARK PLUG

Remove the left and right cylinder head side covers

Disconnect the spark plug caps and remove the

spark plugs.

RECOMMENDED SPARK PLUGS:

Standard: BKR6E-11 (NGK), K20PR-U11 (DENSO)

For cold climate (below 5° C/41° F):

BKR5E-11 (NGK), K16PR-U11 (DENSO)

For expected high speed riding:

BKR7E-11 (NGK), K22PR-U11 (DENSO)

Measure the spark plug gap between the center

and side electrodes with a wire-type feeler gauge.

SPARK PLUG GAP: 1.0 – 1.1 mm (0.039 – 0.043 in)

If necessary, adjust the gap by carefully bending

the side electrode.

Thread each spark plug in by hand to prevent

cross-threading and tighten them with a spark plug

TORQUE: 18 N·m (1.8 kgf·m, 13 lbf·ft)

Connect the spark plug caps.

Install the cylinder head side covers (page 3-7).

RAIN HOSE PLUG

CYLINDER HEAD SIDE COVER

PARK PLUG CAP

(0.039–0.043 in)