Yamaha F50A - Lower Unit

62Y3A11
2-16
1
2
3
4
5
6
7
8
I
Lower unit
Electrical
Item Unit
Model
USA T50TR ———
Canada T50TR ———
Worldwide FT50BET 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) 0.71–1.11 (0.028–0.044)
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
USA T50TR ———
Canada T50TR ———
Worldwide FT50BET FT50CEHD FT50CED FT50CET
Ignition system
Ignition timing
(engine idle speed) Degree TDC
±
1.5
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
Pulser coil output peak voltage
(W/R – W/B)
@ cranking 1
(*1)
V6.3
@ cranking 2
(*1)
V3.5
@ 1,500 r/min V 7.4
@ 3,500 r/min V 11.2
Pulser coil resistance
(*2)
(W/R – W/B)
Ω
396–594
CDI unit output peak voltage
(B/O – B, B/W – B)
@ cranking 1
(*1)
V 126
@ cranking 2
(*1)
V 150
@ 1,500 r/min V 151
@ 3,500 r/min V 116
Spark plug gap mm (in) 0.9 (0.035)
(*1)
Cranking 1: unloaded
Cranking 2: loaded
(*2)
The figures are for reference only.
Maintenance specifications