Yamaha 55DEHD, Service Manual, Page: 33 / 269

6885J11
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Maintenance specification
Item Unit
Model
55DEHD 75AEHD 75AED 75AET
Charge coil output peak
voltage
(R–Br)
at Cranking (unloaded)
V 50
at Cranking (loaded) V 60
at 1,500 r/min (loaded) V 150
at 3,500 r/min (loaded) V 160
(R–L)
at Cranking (unloaded)
V 150
at Cranking (loaded) V 110
at 1,500 r/min (loaded) V 150
at 3,500 r/min (loaded) V 160
Charge coil resistance
at 20°C (68°F)
(R–Br)
Ω
48–72
(R–L)
Ω
428–642
Starter motor
Type Bendix
Output kW 1
Brushes
Standard length mm (in) 16.0 (0.63)
Wear limit mm (in) 12.0 (0.47)
Commutator
Standard diameter mm (in) 33.0 (1.30)
Wear limit mm (in) 31.0 (1.22)
Standard undercut mm (in) 0.8 (0.03)
Wear limit mm (in) 0.2 (0.01)
Choke solenoid resistance
Ω
— 3.4–4.0
Charging system
Fuse A 20
Lighting coil output peak
voltage (G–G/W)
at Cranking (unloaded) V 11.3
at 1,500 r/min (unloaded) V 32.3
at 3,500 r/min (unloaded) V 72.3
Lighting coil resistance
Ω
0.36–0.54
at 20°C (68°F) (G–G/W)
Rectifier Regulator
output peak voltage (battery)
at 1,500 r/min (loaded) V 13
at 3,500 r/min (loaded) V 13
Coil resistance and peak voltage are reference data.
Measuring conditions:
Ambient temperature 20°C (68°F).
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