CHECKING THE SPARK PLUGS
© cvvmax December 2013

The following procedure applies to all of the spark plugs.
1. Remove:
    • Rear cylinder right cover

2. Disconnect:
    • Spark plug cap

3. Remove:
    • Spark plug
Before removing the spark plugs, blow away any dirt accumulated in the spark plug wells with compressed air to prevent it from falling into the cylinders.

4. Check:
    • Spark plug type
       If Incorrect -> Change.
Manufacturer/Model
NGK/CPR7EA-9

5. Check:
    • Electrode
       If Damaged/Worn -> Replace the spark plug.
    • Insulator
      If it has an abnormal color -> Replace the spark plug.
      Normal color is medium-to-light tan.

6. Clean:
    • Spark plug
      (with a spark plug cleaner or wire brush)

7. Measure:
    • Spark plug gap "a"
      (with a wire thickness gauge)
      If out of specification -> Regap.
Spark plug gap
0.8-0.9 mm (0.031-0.035 in)
8. Install:
    • Spark Plug
Spark plug
13 Nm (1.3 m-kgf, 9.4 ft-lbf)
Before installing the spark plug, clean the spark plug and gasket surface.

9. Connect:
    • Spark plug cap

10. lnstall:
    • Rear cylinder right cover
© 2013-15 cvvmax. No animals, HDs or Ducatis were harmed in the making of this site.