Yamaha CW50L Service Manual page 16

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ELECTRICAL Model CW50
Model CW50 Battery:
Voltage: 12 V Capacity 12V, 4 Ah
Ignition system: Specific gravity 1.280
Ignition timing (B.T.D.C.) 14° at 5.000 r/rain Starter motor:
Output 0.14 kW
CDI: Armature coil resistance 0.072 _ a 20°C (68°F)
Pickup coil resistance (color) 400 ~ 600 Q at 20°C (68°F) (White/Red-Black) Brush length 6.8 mm (0.27 in)
Source coil resistance (color) 640 ~ 960 Q at 20°C (68°F) (Black/Red-Black) <Wear limit> <5.3 mm (0.21 in)>
Ignition coil: Brush spring pressure 150 - 650 gr (5.29 ~ 22.92 oz)
Minimum spark length 6 mm (0.23 in) Commutator diameter 15.8 mm (0.62 in)
Primary coil resistance 0.56 ~ 0.84 Q at 20°C (68°F) <Wear limit> <15.0 mm (0.60 in)>
Secondary coil resistance 5.68 - 8.52 Qk at 20°C (68°F) Mica undercut 1.15 mm (0.045 in)
Spark plug cap: Starter relay:
Resistance 5 k.Qat 20°C (68°F) Amperage rating 20 A
CDI Magneto: Coil resistance 54 - 66 _ at 20°C (68°F)
Lighting coil resistance 0.32 ~ 0.48 Q at 20°C (68°F)(Yellow/Red-Black) Horn:
Lighting coil resistance 0.48 ~ 0.72 Q at 20°C (68°F)(White-Black) Type/Quantity Plain type/1 pc.
Voltage regulator/Rectifier: Model/Manufacturer TR9/FRANSVAL
Type Semi-conductor, short-circuit type Maximum amperage 2.5 A
No load regulated voltage 13 ~ 14 V Flasher relay:
Capacity 8 A Type Condenser type
Withstand voltage 600 V Self cancelling device No
Flasher frequency 70 - 90 cycle/rain
Wattage 2 x 10W + 4 W
Circuit breaker:
Type Fuse
Amperage for individual circuit x Quantity:
Main 7 A x 1
Fuel sender unit:
Resistance (full) 4 - 10 _ at 20°C (68°F)
(empty) 90 - 100 _ at 20°C (68°F)
2-7 2-8