Suzuki GSX-R 1000 Service Manual: Fuel pressure inspection

Suzuki GSX-R 1000 Service Manual / Engine / Fuel system / Repair instructions / 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 installation” .
Place a rag under the fuel feed hose (1) and remove the fuel feed hose.

Suzuki GSX-R. Fuel pressure inspection

Install the special tools between the fuel pump and fuel delivery pipe.

Special tool (a): 09940–40211 (fuel pressure
gauge adapter) (b): 09940–40220 (fuel pressure
gauge attachment) (c): 09915–77331 (oil pressure gauge
(1000 kpa)) (d): 09915–74521 (adapter hose)

Suzuki GSX-R. Fuel pressure inspection

Turn the ignition on and check for fuel pressure.

Fuel pressure approx. 300 Kpa (3.0 Kgf/cm2, 43 psi)

If the fuel pressure is lower than the specification, check for the followings:

fuel hose leakage
clogged fuel filter
pressure regulator
Fuel pump

If the fuel pressure is higher than the specification, check for the followings:

fuel pump
pressure regulator

Remove the special tools.

Before
removing the special tools, turn the ignition switch off and release the fuel pressure slowly.

Reinstall the fuel tank. Refer to “fuel tank removal and installation” .

Note

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 ...

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