SPARK PLUG CHECK AND CLEANING


note Obey the maintenance interval of the relevant vehicle for the spark plug replacement. Unless the plug is remarkably burned or worn, and insulator plug is damaged, adjust the plug gap and check the plug state. Clean the plug if necessary.
1.Check that the plug in not burned, that the insulator plug is not damaged, and that the seizure state is good.
2.If cleaning is required due to carbon deposits and so on, clean using a plug cleaner or wire brush, etc.

3.Check the plug gap using a plug gap gauge, and adjust if not within the standard value.
Standard value:
Manufacturer
 Type
 Standard Value (mm)
NGK
 BKR5E-11
 1.0 - 1.1
DENSO
 K16PR-U11
note See the applicable service manual for the manufacturer, type and standard value.