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ELEC
LIGHTING SYSTEM
LIGHTS SWITCH INSPECTION
1. Inspect:
● Lights switch conduct
No continuous while being → Replace.
Continuous while being OFF → Replace.
Tester (+) lead → Yellow lead 1
Tester (–) lead → Blue lead 2
Y
1
L
2
Tester selec-
tor position
Ω × 1
OFF
AC MAGNETO INSPECTION
1. Inspect:
● Lighting coil resistance
Out of specification → Replace.
RECTIFIER/REGULATOR INSPECTION
1. Connect the battery leads.
2. Start the engine.
3. Turn on the headlight and taillight by turn-
ing on the lights switch.
4. Inspect:
● Out-put voltage
Out of specification → Replace rectifier/
regulator.
Tester (+) lead → Yellow lead 1
Tester (–) lead → Ground 2
Lighting coil
resistance
Tester selector
position
0.224 ~ 0.336 Ω
at 20 ˚C (68 ˚F)
Ω × 1
Tester (+) lead → Yellow lead 1
Tester (–) lead → Black lead 2
Out-put voltage
Tester selector
position
13.0 ~ 14.0 V at
5,000 r/min
ACV-20
R
B
W
Y
1
2