Yamaha E40J - Checking the Lighting Coil

ELEC
8-17
6F65G11
Electrical systems
Checking the lighting coil
1. Measure the lighting coil output peak
voltage. Replace the lighting coil if below
specification.
Digital circuit tester: 90890-3174
Peak voltage adaptor B:
90890-03172
Digital circuit tester: 90890-3174
Peak voltage adaptor B:
90890-03172
Rectifier output peak voltage:
Red (R) — Black (B)
r/min
Unloaded
1,500 3,500
DC V 13 13
G
G
G
G
6F680245
Lighting coil output peak voltage:
Green (G) – Green (G)
r/min
Unloaded
Cranking 1,500 3,500
DC V 6.0 17.0 38.0
Lighting coil resistance
(reference data):
Green (G) – Green (G)
0.32 – 0.39 Ω at 20°C (68°F)