Yamaha 50G Service Manual page 29

SPEC
Item
Ignition coil:
Primary coil resistance
[20°C (68°F)]
Secondary coil resis-
tance [20°C (68°F)]
Crank position sensor
resistance [20°C (68°F)]
Crank position sensor
peak voltage: (minimum)
color
@ cranking (open)
@ cranking (connect)
@ 1,500 r/min
@ 3,500 r/min
Spark plug:
Spark plug gap
CDI unit output peak
voltage: (minimum)
color
@ cranking (open)
@ cranking (connect)
@ 1,500 r/min
@ 3,500 r/min
Lighting system:
Lighting coil resistance
STD (12V 80W)
[20°C (68°F)]
Lighting coil output
peak voltage (minimum)
color
@ cranking (open)
@ cranking (connect)
@ 1,500 r/min
@ 3,500 r/min
Starter motor:
Rating
Output
Clutch type
Brush length
<Wear limit>
Commutator undercut
<Repair limit>
MAINTENANCE SPECIFICATIONS
Unit
Ω
kΩ
Ω
V
V
V
V
mm (in)
V
V
V
V
Ω
V
V
V
V
Sec
kW
mm (in)
mm (in)
mm (in)
mm (in)
50hp 60hp 70hp
0.18 ~ 0.24 (Black/White – Black)
3.26 ~ 4.88 (Black/White – High tension cord)
158 ~ 236 (Blue/White – Blue/Red)
L/R – L/W
5.0
5.0
20
16
0.9 ~ 1.0 (0.035 ~ 0.039)
B/W – B
—
#1, 3: 105
#2: —
145
105
0.57 ~ 0.85 (G/W – G)
G – G/W
8.5
8.0
25
25
0.6
Overrunning
12.5 (0.49)
9.0 (0.35)
2-8
Model
75hp 80hp
L/R – L/W
5.5
5.5
25
20
B/W – B
—
#1,3: 130
#2: —
155
130
0.4 ~ 0.6 (G/W – G)
G – G/W
10
11
25
25
30
1.0
16.0 (0.63)
12.0 (0.47)
0.8 (0.03)
0.2 (0.01)
E
90hp