Yamaha Bicycle WR250FM Manual Do Utilizador
6 - 25
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+
ELEC
LIGHTING SYSTEM
LIGHT SWITCH INSPECTION
1. Inspect:
1. Inspect:
• Light 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 selector
position
Ω × 1
OFF
AC MAGNETO INSPECTION
1. Inspect:
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-
1. Connect the battery leads.
2. Start the engine.
3. Turn on the headlight and taillight by turn-
ing on the light 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