2-6 PERIODIC MAINTENANCE
• Install the spark plug and TDC plug.
TDC plug: 23 N·m (2.3 kgf-m, 16.5 lb-ft)
• Apply grease to the O-rings and install the O-rings valve
inspection caps.
• Tighten the valve inspection caps.
SPARK PLUG
SPARK PLUG REMOVAL
• Remove the seat.
• Remove the fuel tank right side cover. (7-5)
• Disconnect the spark plug cap 1 and remove the spark plug .
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.
CARBON DEPOSITS
Check to see if there are carbon deposits on the spark plug. If
carbon is deposited, remove it using a spark plug cleaner
machine or carefully use a tool with a pointed end.
Securely tighten the locknut after completing adjust-
ment.
Inspect every 6 months.
Replace every 18 months.
NGK DENSO
Standard DR7EA X22ESR-U
Colder type DR8EA X24ESR-U