Spark Plug: Testing and Inspection

- Pull out high tension cords by gripping their caps and then remove spark plugs.
- Inspect them for:
^ Electrode wear
^ Carbon deposits
^ Insulator damage
- If any abnormality is found, adjust air gap, clean with spark plug cleaner or replace them with specified new plugs.

MFG P/N
NGK BPR5ES
NIPPON DENSO W20EPR-U

AIR GAP
0.7 - 0.8 mm (0.027 - 0.031 in)

- Install spark plugs and torque them to specification.

SPARK PLUG TORQUE
25 - 30 Nm (2.5-3.0 kg-m, 18.0-21.5 lb-ft)

- Install high tension cords securely by gripping their caps.