Suzuki Wagon R Manual page 1563

6F1-6 IGNITION SYSTEM (ELECTRONIC IGNITION SYSTEM)
5) Install high-tension cords (2) to spark plugs and ignition coil
assemblies (1) while gripping each cap.
CAUTION:
• Never attempt to use metal conductor high-tension
cords as replacing parts.
• Insert each cap portion fully when installing high-ten-
sion cords.
Spark plugs
1) Pull out high-tension cords by gripping their caps and then
remove ignition coil assemblies referring to IGNITION COIL
ASSEMBLY in this section.
2) Remove spark plugs.
3) Inspect them for:
• Electrode wear
• Carbon deposits
• Insulator damage
4) If any abnormality is found, adjust air gap, clean with spark
plug cleaner or replace them with specified new plugs.
Spark plug air gap
"a" : 1.0 – 1.1 mm ( 0.040 – 0.043 in.)
Spark plug type
NGK : BKR6E-11
DENSO : K20PR-U11
5) Install spark plugs and torque them to specification.
Tightening Torque for spark plug
28 N·m (2.8 kg-m, 20.0 lbft)
6) Install ignition coil assemblies referring to IGNITION COIL
ASSEMBLY in this section.
7) Install high-tension cords securely by gripping their caps.