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Suzuki GSX-R 1000 Service Manual: Spark plug inspection and cleaning

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 torque

Spark plug gap spark plug: 11 nm (1.1 Kgf-m, 8.0 Lbf-ft)

  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 nm (1.1 Kgf-m, 8.0 Lbf-ft)

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 nm (1.1 Kgf-m, 8.0 Lbf-ft)

Valve clearance inspection and adjustment
Inspect valve clearance initially every 24 000 km (14 500 miles, 48 months) Inspection Valve clearance adjustment must be checked and adjusted, a) at the time of periodic inspection, b) when the ...

Fuel line inspection
Inspect fuel line every 6 000 km (4 000 miles, 12 months) Inspect the fuel line in the following procedures:  lift and support the fuel tank. Refer to fuel tank removal and installation ...

Other materials:

Air cleaner
The air cleaner element must be kept clean to provide good engine power and g1as mileage. If you use your motorcycle under normal low-stress conditions, you should service the air cleaner at the intervals specified. If you ride in dusty, wet, or muddy conditions, you will need to inspect the ...

Pair system hose routing diagram
Pair control solenoid valve Pair reed valve White marking (hidden side) Yellow marking Blue marking Red marking Face the clamp end to the top. Make sure the clamp is not contacted to the frame or air cleaner box. 90 45 15 ...

Fuel pressure inspection
Keep away from fire or spark. Spilled gasoline should be wiped off immediately. Work in a well-ventilated area. Inspect the fuel pressure in the following procedures:  lift and support the fuel tank. Refer to fuel tank removal and installati ...

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