Bulb(S); Headlight Beam Switch; Lighting Coil - Yamaha VK540EF Service Manual

a
b
c
LIGHTING SYSTEM

BULB(S)

1. Remove:
S Headlight bulb a
S Tail/brake light bulb b
S Meter light bulb c
2. Connect:
S Pocket tester
(to the bulb terminals)
WARNING
Keep flammable products and your hands
away from the bulb while it is on; it will be
hot. Do not touch the bulb until it cools
down.
3. Check:
S Bulb(s)
Terminal
1 – 2
1 3
–

HEADLIGHT BEAM SWITCH

1. Disconnect:
S Headlight beam switch coupler
2. Connect:
S Pocket tester
(to the headlight beam switch coupler)
3. Check:
S Headlight beam switch continuity
Faulty ! Replace.
Switch position a
HI
LO

LIGHTING COIL

1. Measure:
S Lighting coil resistance
Out of specification ! Replace.
Lighting coil resistance:
(Yellow – Black)
0.3 Ω
7-10
ELEC
Continuity
Yes
Yes
Continuity Continuity
b
No Yes
Yes No
20% at 20_ (68_F)