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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:

Schematic and routing diagram
Fuel tank drain hose and breather hose routing diagram Fuel tank water drain hose Fuel tank breather hose no. 1 Fuel tank breather hose no. 2 Fuel tank breather hose no. 3 3-Way joint Frame White marking Set the hose end to the root of tank nippl ...

Tire pressure and loading
Proper tire pressure and proper tire loading are important factors. Overloading your tires can lead to tire failure and loss of vehicle control. Check tire pressure each day before you ride, and be sure the pressure is correct for the vehicle load according to the table below. Tire pre ...

Battery current leakage inspection
Inspect the battery current leakage in the following procedures:  turn the ignition switch off.  Remove the front seat. Refer to exterior parts removal and installation in section 9d (page 9d- 6).  Disconnect the battery () lead wire.  Measure the current betwee ...

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