Yamaha EF4500iSE Theory & Diagnostics Manual page 93

GENERATOR AND ELECTRICAL
Generator:
Main coil AC voltage (3 phase)
(With the throttle control motor
coupler disconnected)
Sub coil AC voltage (single phase) (V/r/min)
(With the throttle control motor
coupler disconnected)
DC coil DC voltage
Coil resistance
Main coil
[Br - G (R - S), G - Br (S - T), Br - Br (R - T)
With coupler disconnected]
Sub coil
[W - Or (R - S), Or - W (S - T), W - W (R - T)
With coupler disconnected]
DC coil
[W - W (L-L) With 4P coupler
disconnected]
Electrical:
Ignition system
Ignition timing
Ignition coil
Primary coil resistance
Secondary coil resistance
Spark plug cap resistance
Spark plug minimum spark gap
MAINTENANCE SPECIFICATIONS
Current Model Specifications and Wiring Diagrams – EF2400iS
Unit
(V/r/min)
(V/r/min)
(Ω ± 20 %) 1.22
(Ω ± 20 %) 0.19
(W ± 20 %) 0.12
(Ω ± 20 %) 1.35
(kΩ ± 20 %) 6.8
(kΩ)
mm(in)
Standard
175 ~ 225 / 2,600
13.0 ~ 18.0 / 2,600
17.0 ~ 23.0 / 2,600
TCI
BTDC 23°±3°
4.0 ~ 6.0
6 (0.24)
7-6
3-17
SPEC
Limit
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