X-90 (4WD) L4-1591cc 1.6L SOHC MFI (1998)
Spark Plug: Testing and Inspection
1) Pull out high-tension cords by gripping their caps and then remove spark plugs.
2) Inspect them for:
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Electrode wear
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Carbon deposits
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Insulator damage
3) If any abnormality is found, adjust air gap, clean with spark plug cleaner or replace them with specified new plugs.
Spark plug type : NGK
BKR6E
NIPPONDENSO K2OPR-U
Spark plug gap "a": 0.7 - 0.8 mm (0.028 - 0.031 in)
4) Install spark plugs and torque them to specification.
Tightening Torque
(a): 28 Nm, (2.8 kg.m, 20.5 lb-ft)
5) Install high-tension cords securely by gripping their caps.