Yamaha WR426F(P), Owner'S Service Manual

Page: 722 / 776

6 - 13
– +
ELEC
LIGHTING SYSTEM
LIGHTS SWITCH INSPECTION
1. Inspect:
●
Lights switch conduct
No continuity while being
→
Replace.
Continuity 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
CDI MAGNETO INSPECTION
1. Inspect:
●
Lighting coil resistance
Out of specification
→
Replace.
REGULATOR INSPECTION
1. Start the engine.
2. Turn on the headlight and tail light by
turning on the lights switch.
3. Inspect:
●
Out-put voltage
Out of specification
→
Replace regula-
tor.
Tester (+) lead
→
Yellow lead 1
Tester (–) lead
→
Black lead 2
Lighting coil
resistance
Tester selector
position
0.16 ~ 0.24
Ω
at
20 ˚C (68 ˚F)
Ω ×
1
Tester (+) lead
→
Blue lead
1
Tester (–) lead
→
Black lead 2
Out-put voltage
Tester selector
position
13.3 ~ 14.3 V at
5,000 r/min
ACV-20
B
L
1
2
1
2