Yamaha F40BMHD, Service Manual

Page: 54 / 537

MAINTENANCE SPECIFICATIONS
2-9
E
SPEC
IGNITION CONTROL SYSTEM
Oil pressure switch kPa
(kgf/cm
2
, psi)
15.5 (1.55, 2.25)
Power coil (Y/B-Y/B)
Loaded
@ cranking 1* V 7
@ 1,500 r/min V 25
@ 3,500 r/min V 67
Open circuit
@ cranking 2* V 15
@ 1,500 r/min V 25
@ 3,500 r/min V 67
Power coil resistance
(Y/B-Y/B)
Ω
6.5 - 7.2
Engine temperature sensor
resistance
@ 5 °C (41 °F) k
Ω
25
@ 20 °C (68 °F) k
Ω
12
@ 70 °C (158 °F) k
Ω
2
Engine speed limiter
Retard timing r/min 6,200
Reset r/min 6,000
Overheat speed control r/min 2,000
STARTING SYSTEM
Fuse A 20
STARTER MOTOR
Type Bendix
Rating Second 30
Output kW 1.2
Brush length limit mm (in) 6.4 (0.25)
Commutator undercut mm (in) 0.8 (0.03)
Item Unit
Model
Worldwide F40BMHD, WHD F40BED, F40BET
USA, Canada F40MH F40ER, F40TR
* Cranking 1: Open circuit
Cranking 2: Related parts are connected.