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Suzuki GSX-R 1000 Service Manual: Fuel discharge amount inspection

  • Keep away from fire or spark.
  •  Spilled gasoline should be wiped off immediately.
  •  Work in a well-ventilated area.

Inspect the fuel discharge amount in the following procedures:

  1.  lift and support the fuel tank. Refer to fuel tank removal and installation .
  2. ) Place a rag under the fuel feed hose (1) and disconnect fuel feed hose from the fuel pump.

Suzuki GSX-R. Fuel discharge amount inspection

  1. Connect a proper fuel hose (2) to the fuel pump.
  2.  Place the measuring cylinder and insert the fuel hose end into the measuring cylinder.
  3.  Disconnect the fuel pump lead wire coupler (3).

Suzuki GSX-R. Fuel discharge amount inspection

  1. Connect a proper lead wire into the fuel pump lead wire coupler (fuel pump side) and apply 12 v to the fuel pump (between (+) y/r wire and () b/w wire) for 10 seconds and measure the amount of fuel discharged.

    If the discharge amount is out of the specification, the probable cause may be failure of the fuel pump or clogged fuel filter.


the battery must be in fully charged condition.

Fuel discharge amount 222 ml (7.5/7.8 Us/lmp oz) and more/10 seconds

Suzuki GSX-R. Fuel discharge amount inspection

  1. After finishing the fuel discharge inspection, reinstall the fuel tank. Refer to fuel tank removal and installation .

connect the fuel feed hose to the fuel pump until it locks securely (a click is heard).

Fuel pump inspection
Turn the ignition switch on and check that the fuel pump operates for a few seconds. If the fuel pump motor does not make operating sound, inspect the fuel pump circuit connections or inspect th ...

Fuel pump relay inspection
Refer to electrical components location in section 0a . Inspect the fuel pump relay in the following procedures:  remove the frame covers. Refer to exterior parts removal and installa ...

Other materials:

Cylinder head related parts inspection
Refer to cylinder head disassembly and assembly . Cylinder head distortion Decarbonize the combustion chambers.  Check the gasket surface of the cylinder head for distortion. Use a straightedge and thickness gauge. Take clearance readings at several places. If readings exceed the ...

Combination meter removal and installation
Removal Remove the combination meter mounting bolt (1). Bushing Disconnect the coupler (2) and remove the combination meter assembly (3). Installation Install the combination meter in the reverse order of removal. Note fix the boot of ...

Oil pressure regulator / oil strainer inspection
Refer to oil pan / oil pressure regulator / oil strainer removal and installation . Oil pressure regulator Inspect the operation of the oil pressure regulator by pushing the piston with a proper bar. If the piston does not operate smoothly, replace the oil pressure regulator with a new on ...

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