#
SPARK PLUG INSPECTION [ZJ, ZY]

id011800800515
Spark plug type

  NGK: BKR5E-11 (Standard plug), BKR6E-11 (Cold type plug)
  DENSO: K16PR-U11 (Standard plug), K20PR-U11 (Cold type plug)
  Champion: RC10YC4 (Standard plug), RC8YC4 (Cold type plug)
  MAZDA: BP13 18 110 (Standard plug), BP14 18 110 (Cold type plug)

## Cleaning

1. If carbon is adheres to the spark plug, clean it with the wire brush and remove the carbon.

  Note

  • If there is no plug cleaner when cleaning the spark plug, remove the dirt from the spark plug completely and wash with the gasoline.

## Visual inspection

1. Check the following items.

  • If there is any malfunction, replace the spark plug.

  - Damaged insulation
  - Worn electrode
  - Damaged gasket

## Plug Gap Inspection/Adjustment

1. Inspect the plug gap.

  • If not within the specification, adjust the plug gap.

Spark plug gap

  1.0-1.1 mm {0.040-0.043 in}

## Resistance inspection

1. Measure the resistance of the spark plug using a tester.

  • If not within the specification, replace the spark plug.

Spark plug resistance [20 °C {68 °F}]

  NGK, DENSO: 3.0-7.5 kilohms
  MAZDA, Champion: 5.0-15 kilohms