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ELECTRICAL SYSTEM 9-11
GENERATOR NO-LOAD PERFORMANCE
• Lift and support the fuel tank. (5-3)
• Disconnect the generator coupler.
• Start the engine and keep it running at 5 000 r/min.
• Using the multi-circuit tester, measure the voltage between
three lead wires.
If the tester reads under the specified value, replace the gen-
erator with a new one.
09900-25008: Multi-circuit tester set
Tester knob indication: Voltage (~)
Generator no-load performance:
65 V and more at 5 000 r/min (When engine is cold)
REGULATOR/RECTIFIER
• Lift and support the fuel tank. (5-3)
• Remove the air cleaner box. (5-14)
• Disconnect the regulator/rectifier couplers.
• Measure the voltage between the lead wires using the multi
circuit tester as indicated in the table below. If the voltage is
not within the specified value, replace the regulator/rectifier
with a new one.
09900-25008: Multi-circuit tester set
Tester knob indication: Diode test ()
Unit: V
1.4 V and more (tester’s battery voltage)
NOTE:
If the tester reads 1.4 V and below when the tester probes are
not connected, replace its battery.
Y
Y
Y
+ Probe of tester to:
- Probe of tester to:
B/R1 B/R2 B1 B2 B3 B/W1 B/W2
B/R1
0
0.4 – 0.7 0.4 – 0.7 0.4 – 0.7 0.5 – 1.2 0.5 – 1.2
B/R2
0
0.4 – 0.7 0.4 – 0.7 0.4 – 0.7 0.5 – 1.2 0.5 – 1.2
B1
0.4 – 0.7 0.4 – 0.7
B2
0.4 – 0.7 0.4 – 0.7
B3
0.4 – 0.7 0.4 – 0.7
B/W1
0
B/W2
0
B/R2
B/R1
B/W1
B/W2
B1
B2
B3