Yamaha FZ1-N Service Manual
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Contents
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ELECTRICAL COMPONENTS8-107c. Measure the horn resistance.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲2. Check:• Horn soundFaulty sound → Adjust or replace.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Connect a battery (12 V) to the horn.b. Turn the adjusting screw in direction “a” or“b” until the specified horn sound isobtained.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲EAS28230CHECKING THE FUEL SENDER1. Remove:• Fuel tank2. Disconnect:• Fuel pump coupler• Fuel sender coupler(from the wire harness)3. Remove:• Fuel pump(from the fuel tank)4. Check:• Fuel sender resistance▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Connect the pocket tester (Ω × 10) to thefuel sender terminal as shown.b. Measure the fuel sender resistance.▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲EAS28240CHECKING THE SPEED SENSOR1. Check:• Speed sensor output voltageOut of specification → Replace.▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼a. Connect the pocket tester (DC 20 V) to thespeed sensor coupler (wire harness side)as shown.Pocket tester90890-03112Analog pocket testerYU-03112-C• Positive tester probeHorn terminal “1”• Negative tester probeHorn terminal “2”Fuel sender resistanceFull position of the float19–21Ω at 20°C (68°F)Empty position of the float139–141 Ω at 20°C (68°F)Pocket tester90890-03112Analog pocket testerYU-03112-C• Positive tester probeGreen/white “1”• Negative tester probeBlack “2”Output voltage reading cycle0.6 V to 4.8 V to 0.6 V to 4.8 VPocket tester90890-03112Analog pocket testerYU-03112-C |
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