Yamaha F50A - Page 53

62Y3A11
2-10
1
2
3
4
5
6
7
8
I
Ignition control system
Oil pressure switch kPa
(kgf/cm
2
, psi)
50 (0.5, 7.11)
Thermoswitch (Gy/B – B)
OFF
→
ON °C (°F) 76–84 (169–183)
ON
→
OFF °C (°F) 63–77 (145–170)
Starter motor
Type Bendix
Output kW 1.1
Cranking time limit Second 30
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)
Mica
Standard undercut mm (in) 0.8 (0.03)
Wear limit mm (in) 0.2 (0.01)
Charging system
Fuse A 20
Lighting coil output peak
voltage (G – G)
@ cranking
(*1)
V 11.9
@ 1,500 r/min
(*1)
V42
@ 3,500 r/min
(*1)
V 127
Lighting coil resistance
(*2)
(G – G)
Ω
1.2–1.8
Rectifier Regulator output
peak voltage (R – B)
@ 1,500 r/min
(*1)
V 18.9
@ 3,500 r/min
(*1)
V 19.5
Charging current
A @ 5,000 r/min 10
Enrichment control system
Prime Start
Plunger projection extended
minimum length
a
mm (in) 24.6 (0.97)
(*1)
Unloaded
(*2)
The figures are for reference only.
Item Unit
Model
USA ———F50TR
Canada — F50TH — F50TR
Worldwide F50AEHD F50AEHT F50AED F50AET
Maintenance specifications