Periodic Maintenance
Spark Plug Replacement
In this manual: Periodic Maintenance
~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.

- 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.

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.
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