Yamaha FT50C - Lower Unit; Electrical

62Y5A11
2-6
1
2
3
4
5
6
7
8
9
Lower unit
Electrical
Fuel pump
Discharge L (US gal,
Imp gal)/hr
@ 6,000 r/min
70 (18.5, 15.4)
Pressure kPa
(kgf/cm
2
, psi)
49 (0.49, 7.0)
Plunger stroke mm (in) 5.85–9.05 (0.23–0.35)
Carburetor
ID mark 62Y30, 62Y50 (for Brazil)
Main jet # #1: 124, #2: 126, #3: 116, #4: 114
Pilot jet # 39
Pilot screw turns out #1–#3: 1 3/4–2 3/4, #4: 2–3
Float height mm (in) 9.5–10.5 (0.37–0.41)
Engine idle speed r/min 850–950
Item Unit
Model
FT50CEHD FT50CED FT50CET
Gear backlash
Pinion-to-forward gear mm (in) 0.12–0.45 (0.005–0.018)
Pinion-to-reverse gear mm (in) —
Pinion shims mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
Forward gear shims mm 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, 0.50
Item Unit
Model
FT50CEHD FT50CED FT50CET
Ignition system
Ignition timing
(engine idle speed) Degree TDC
Charge coil output peak
voltage (L – Br)
@ cranking 1
(*1)
V 144
@ cranking 2
(*1)
V 137
@ 1,500 r/min V 169
@ 3,500 r/min V 129
Charge coil resistance
(*2)
(L – Br)
Ω
272–408
(*1)
Cranking 1: unloaded
Cranking 2: loaded
(*2)
The figures are for reference only.
Item Unit
Model
FT50CEHD FT50CED FT50CET
Maintenance specifications