FUEL TANK INSPECTION [13B-MSP]

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Note

•  This inspection is for two rollover valves and check valve (two-way).

1.  Complete the “BEFORE SERVICE PRECAUTION”. (See BEFORE SERVICE PRECAUTION [13B-MSP].)

2.  Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [13B-MSP].)

3.  Remove the battery cover. (See BATTERY REMOVAL/INSTALLATION [13B-MSP].)

4.  Disconnect the negative battery cable.

5.  Remove the connector and the fuel hose from the fuel pump unit. (See QUICK RELEASE CONNECTOR REMOVAL/INSTALLATION [13B-MSP].)

6.  Remove the fuel tank with the fuel pump unit and fuel suction pipe bracket still installed. (See FUEL TANK REMOVAL/INSTALLATION [13B-MSP].)

7.  Perform the following procedure to verify the fuel tank airtightness.

(1)  Plug the fuel pump unit pipe, ports B and C.

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(2)  Apply a pressure to port A and wait for a while.

(3)  Verify that there is no air flow leakage from the fuel tank.

•  If there is air flow, replace the fuel tank. (See FUEL TANK REMOVAL/INSTALLATION [13B-MSP].)

8.  Plug the fuel pump unit pipe and port B.

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9.  Level the fuel tank.

10.  Apply a pressure to port A and wait for a while.

11.  With the pressure still applied, verify that there is air flow port C and the pressure.

•  If there is no air flow, replace the fuel tank. (See FUEL TANK REMOVAL/INSTALLATION [13B-MSP].)

•  If there is air flow, place the fuel tank upside down.

12.  Apply a pressure to port A and wait for a while.

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13.  With the pressure still applied, verify that there is no air flow from port C.

•  If there is air flow, replace the fuel tank. (See FUEL TANK REMOVAL/INSTALLATION [13B-MSP].)