Suzuki GSX-R 1000 Quiz
General information

Spark plug inspection and cleaning

In this manual: General information
Foreword — 1Precautions — 15General information — 44Engine — 269Suspension — 52Driveline / axle — 13Brake — 51Transmission / transaxle — 34Steering — 15Body and accessories — 68
6steps
~36min
2/5difficulty
01020304050118N·mlb·ft
Tightening torque found on this page
Done 0 of 6
Inspect spark plug every 6 000 km (4 000 miles, 12 months) Heat range
  1. Remove the spark plugs. Refer to “ignition coil and spark plug removal and installation” in section 1h .
  2. Check spark plug heat range by observing electrode color. If the electrode of the spark plug is wet appearing or dark color, replace the spark plug with hotter type one. If it is white or glazed appearing, replace the spark plug with colder type one.

Heat range

Suzuki GSX-R. Heat range

  1. After finishing the spark plug inspection, reinstall the removed parts.
Tightening torqueSpark plug gap spark plug: 11 N·m
  1. Remove the spark plugs. Refer to “ignition coil and spark plug removal and installation” in section 1h .
  2. Measure the spark plug gap using a wire gauge. If it is not within the specification, replace the spark plug.
Caution


  • To prevent the damage of iridium center electrode, use a wire gauge to check the gap.
  • Never adjust the spark plug gap.

Spark plug gap 0.8 – 0.9 Mm (0.031 – 0.035 In)
Suzuki GSX-R. Spark plug gap

  1. After finishing the spark plug inspection, reinstall the removed parts.
Tightening torque spark plug: 11 N·m Electrodes condition
  1. Remove the spark plugs. Refer to “ignition coil and spark plug removal and installation” in section 1h .
  2. Check the worn or burnt condition of the electrodes.

    If it is extremely worn or burnt, replace the spark plug. And also replace the spark plug if it has a broken insulator, or damaged thread.

Caution


confirm the thread size and reach when replacing the plug. If the reach is too short, carbon will be deposited on the screw portion of the plug hole and engine damage may result.

  1. After finishing the spark plug inspection, reinstall the removed parts.
Tightening torque spark plug: 11 N·m

Test yourself

A quick Suzuki GSX-R 1000 quiz: every answer comes with an explanation and a link to the manual page.