Spark Plug - Honda C8R600F4 Service Manual

MAINTENANCE
SPARK PLUG
Wear insulated gloves to avoid burns while the
engine is hot.
Remove the side fairings and the front inner fairing
(page 2·4).
Disconnect the fan motor switch 2P (Black) connec-
tor.
Disconnect the horn connectors. Remove the horn
bolt and horn.
Remove the radiator mounting bolts, washers and
nut.
Cover the radiator with a shop towel to avoid
damaging the radiator fins.
Swing the radiator forward so that the lower mount-
ing stay is not interfered with the radiator. Slide the
radiator to the right to remove it off the boss of the
frame.
Move the radiator down without disconnecting the
water hoses and secure it to the fork legs.
Dii::r.nnnAr.t thA ignition
coil 2P
connectors and
remove the direct ignition coils.
Clean around the spark plug bases.
NOTE:
•This motorcycle adopted the direct type ignition
coil that the spark plug cap and ignition coil are
integrated.
•Clean around the spark plug bases with compres-
sed air before removing the plugs, and be sure
that no debris is allowed to enter the combustion
chamber.
Remove the spark plugs.
49 state/Canada
Check the insulator for cracks or damage, and the
type:
electrodes for wear, fouling or discoloration. Re-
place the plug if necessary.
3-6
RECOMMENDED SPARK PLUG: CR9EH-9 (NGK)
U27FER-9 (DENSO)
BOLTS AND WASHERS
RADIATOR
2P CONNECTOR
CENTER ELECTRODE
INSULATOR SIDE ELECTRODE