Periodic Maintenance

Spark Plug Replacement

~1min read
  • Remove the stick coils (see Stick Coil Removal in the Electrical System chapter).
  • Remove the spark plugs using the 16 mm (0.63 in.) plug wrench [A] vertically.
  • Replace the spark plug with new ones.

Standard Spark Plug Type: NGK CR9EIA-9

  • Insert the spark plug vertically into the spark plug hole with the spark plug installed in the plug wrench [A], and finger-tighten it first.
Spark Plug Replacement

  • Insert the spark plug vertically into the spark plug hole with the spark plug installed in the plug wrench [A], and finger-tighten it first.
Spark Plug Replacement

NOTICE

If tightening the spark plug with the wrench inclined, the insulator of the spark plug may break.

  • Tighten: Torque - Spark Plugs: 13 NВ·m (1.3 kgfВ·m, 115 inВ·lb)
  • Install the stick coils (see Stick Coil Installation in the Electrical System chapter).
  • After installation, be sure the stick coils are installed securely by pulling up them lightly.

Test yourself

A quick Kawasaki Ninja ZX-10R quiz: every answer comes with an explanation and a link to the manual page.