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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:

Wheel balance check and adjustment
Check and adjust the wheel balance in the following procedures:  removal the wheel assembly. Refer to front wheel assembly removal and installation  and rear wheel assembly removal and installation .  Remove the mounting drum from the rear wheel. (For rear wheel) ref ...

Front brake master cylinder / brake lever disassembly and assembly
Refer to front brake master cylinder assembly removal and installation . Disassembly Remove the reservoir cap (1), plate (2), diaphragm (3) and reservoir tank (4). Remove the brake light switch (5) and brake lever (6). Remove the dust boot (7) and push rod (8).   ...

Break-in procedures
During manufacture only the best possible materials are used and all machined parts are finished to a very high standard but it is still necessary to allow the moving parts to break-in before subjecting the engine to maximum stresses. The future performance and reliability of the engine depen ...

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