Yamaha YZF-R1(B) 2012 Service Manual

Also see for YZF-R1 2012: Service manual

Contents

ELECTRICAL COMPONENTS8-141b. Measure the oil level switch resistance.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲EAS1KB8801CHECKING THE FUEL SENDER1. Disconnect:• Fuel pump coupler• Fuel sender coupler(from the wire harness)2. Remove:• Fuel tank3. Remove:• Fuel pump(from the fuel tank)4. Connect:• Fuel sender coupler5. Turn the main switch to “ON”.6. Check:• Fuel level warning lightOut of specification → Replace the fuelpump.EAS28240CHECKING THE REAR SPEED SENSOR1. Check:• Rear speed sensor output voltageOut of specification → Replace.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Connect the test harness-speed sensor(3P) “1” to the rear speed sensor couplerand wire harness as shown.b. Connect the pocket tester (DC 20 V) to thetest harness-speed sensor (3P).Pocket tester90890-03112Analog pocket testerYU-03112-CMinimum level position “A”• Positive tester probeConnector (White) “1”• Negative tester probeBody earth “2”Maximum level position “B”• Positive tester probeConnector (White) “1”• Negative tester probeBody earth “2”Fuel pump is atmosphere “A”→ Fuel level warning light is come onFuel pump is soaked in fuel “B”→ Fuel level warning light is goes offOutput voltage reading cycle0.6 V to 4.8 V to 0.6 V to 4.8 VPocket tester90890-03112Analog pocket testerYU-03112-CTest harness-speed sensor (3P)90890-03208YU-03208• Positive tester probeWhite/Yellow (wire harness color)• Negative tester probeBlack/Blue (wire harness color)