Yamaha F40BMHD, Service Manual, Page: 56 / 537

SPEC
2-10
MAINTENANCE SPECIFICATIONS
E
CHARGING SYSTEM
Lighting coil output peak
voltage
(Y-Y)
Loaded
@ cranking 1* V 8
@ 1,500 r/min V 12.5
@ 3,500 r/min V 12.5
Open circuit
@ cranking 2* V 8
@ 1,500 r/min V 25
@ 3,500 r/min V 59
Lighting coil resistance
Ω
15A 0.25 - 0.27
6A (80W) (Y-Y) 0.9 - 1.1
Rectifier/regulator output
peak voltage
Loaded
@ cranking 1* V 8
@ 1,500 r/min V 12.5
@ 3,500 r/min V 12.5
Open circuit
@ cranking 2* V 8
@ 1,500 r/min V 12.5
@ 3,500 r/min V 12.5
Charging current A @ 5,000
r/min
15
Lighting coil resistance
Ω
@ 20 °C
(68 °F)
1.0±0.1
ENRICHMENT CONTROL
SYSTEM
Thermo heater resistance
Ω
@ 20 °C
(68 °F)
18 - 19
Thermo heater plunger
projection
(5 minutes powered)
mm (in) 14 -15 (0.55 - 0.59)
Item Unit
Model
Worldwide F40BMHD, WHD F40BED, F40BET
USA, Canada F40MH F40ER, F40TR
* Cranking 1: Open circuit
Cranking 2: Related parts are connected.