Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Spark Plug: Service and Repair





1. Disconnect high-tension cords from spark plugs. Make sure to pull only on spark plug caps.
2. Using a spark plug wrench, loosen and remove plugs.
3. Install new spark plugs.

NOTE:
Make sure to use new plugs of specified heat range and size.

Spark Plug Type:
- NGK: BKR6E
- NIPPONDENSO: K20PR-U






Clearance "a": 0.7-0.8 mm (0.028-0.031 in.)

4. Tighten spark plugs to specified torque.





Tightening Torque
(a): 20-30 Nm (14.5-21.5 ft lb)


5. Connect high-tension cords to spark plugs. DO NOT push cords for connection. Push boots.