Spark Plug - Suzuki GSX-R1000 2007 Service Manual

SPARK PLUG

Inspect every 6 000 km (4 000 miles, 12 months).
Replace every 12 000 km (7 500 miles, 24 months).
SPARK PLUG AND IGNITION COIL/PLUG CAP REMOVAL
• Lift and support the fuel tank. ( 5-3)
• Remove the air cleaner box. ( 5-14)
• Disconnect all lead wire couplers from the ignition coil/plug
caps.
Disconnect the lead wire coupler before removing the
ignition coil/plug cap to avoid lead wire coupler dam-
age.
• Remove the ignition coils/plug caps.
* Do not pry up the ignition coil/plug cap with a screw
driver or a bar to avoid its damage.
* Be careful not to drop the ignition coil/plug cap to
prevent short/open circuit.
• Remove the spark plugs.
\ 09930-10121: Spark plug wrench set
HEAT RANGE
• Check spark plug heat range by observing electrode color. If
the electrode of the spark plug is wet appearing or dark color,
replace the spark plug with hotter type one. If it is white or
glazed appearing, replace the spark plug with colder type
one.
Hot type
NGK CR8EIA-9
ND IU24D
Standard Cold type
CR9EIA-9 CR10EIA-9
IU27D IU31D
PERIODIC MAINTENANCE 2-5