Yamaha 2002 YB50, Service Manual

Page: 23 / 161

SPEC
MAINTENANCE SPECIFICATIONS
2-6
ELECTRICAL SYSTEM
Model YN50R
Ignition system:
Type DC-C.D.I.
Ignition distribution (A.P.M.S.) 14*/5.000 r/min
C.D.I.:
Harnessing coil resistance (colour) 400 ~ 600
Ω
a 20
o
C (68
o
F)
(Black/Red-Black)
Ignition coil:
Spark plug electrodes gap 6.0 mm
Primary coil resistance 0.56 ~ 0.84
Ω
at 20 °C
Secondary coil resistance 5,68 ~ 8,52 K
Ω
at 20 °C
Charging system:
Charging output 0.4 A or more/3.000 rpm/min
1 A or less/8.000 rpm/min
Charging coil resistance (colour) 4.8 ~ 7.2
Ω
a 20 °C (68 °F)
(Black-White)
Lighting system:
Lighting output 12 V or more/3.000 rpm/min,
15 V or less/8.000 rpm/min
Lighting coil resistance (colour) 0.4 ~ 0.6
Ω
a 20 °C (68 °F)
(Yellow/Red-Black)
Battery:
Type: YB4L-B
Capacity 12V4AH
Specific gravity 1280/20 °C
Starter system:
Type: Constant mesh type
Starter motor:
Output 0.14 kw
Induction coil resistance 0.064 ~ 0.079
Ω
at 20 °C
Brush length 3.9 mm
<Limit> <0.9 mm>
Circuit breaker:
Type: Fuse
Amperage/Quantity
Principal 7A x 1