XT-6 2WD L6-2.7L SOHC (1989)
Spark Plug: Testing and Inspection
REMOVAL
1.
Twist and pull to remove ignition wire from plug.
2.
While wearing saftey glases, use compressed air to blow out debris from plug well.
3.
Using a 5/8" (16mm) socket, remove plug.
CAUTION: Use care not to allow foreign matter to enter through plug holes.
INSPECTION
1.
Check spark plugs for:
^ Broken insulator
^ Worn electrode
^ Carbon deposits
^ Damaged or broken gasket
^ Burnt condition of porcelain insulator at spark gap.
NOTE: Dark deposits indicate too rich a fuel mixture. Light (white) deposits indicate too lean a fuel mixture, advanced ignition timing or
insufficient plug tightening
2.
Check plug gap and adjust to 0.039 - 0.043in (1.0 - 1.1mm).
INSTALLATION
1.
Adjust electrode gap to 0.039 - 0.043 in (1.0 - 1.1 mm).
2.
Lightly coat threads of plug with anti-seize compound.
3.
Install and thread plug into cylinder head by hand.
4.
Torque spark plug to 14 - 22 ftlb (20 - 29 Nm).
5.
Apply dielectric compound to the inside of ignition wire boot and install. A slight click will be heard when wire is properly connected.
6.
Tighten spark plug to specified torque. Overtorqueing may damage cylinder head threads.
RECOMMENDED SPARK PLUGS
BRAND
PART NO.
---------------------------------
NGK
BPR6ES-11
NIPPONDENSO W20EPR-U11
CHAMPION
RC9YC-4
