SPEC
2-13
EBS01004
ELECTRICAL SPECIFICATIONS
Item Standard Limit
Voltage 12 V •
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Ignition system
Ignition timing (B.T.D.C.) 10.0°/1,550 r/min •
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Advanced timing (B.T.D.C.) 24.4°/5,000 r/min
Advancer type Digital type •
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CDI
CDI unit model/manufacturer 4D3/YAMAHA •
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Pickup coil resistance/color 248 ~ 372 Ω at 20°C (68°F) red–white •
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Ignition coil
Model/manufacturer 2JN/YAMAHA •
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Minimum ignition spark gap 6.0 mm (0.24 in) •
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Primary winding resistance 0.18 ~ 0.28 Ω at 20°C (68°F) •
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Secondary winding resistance 6.32 ~ 9.48 kΩ at 20°C (68°F) •
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Spark plug cap
Material Resin
Resistance 10.0 kΩ
Charging system
Type AC magneto •
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Model/manufacturer F5XT/YAMAHA •
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Nominal output 14 V 190 W at 5,000 r/min •
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Charging coil resistance/color 0.688 ~ 1.032 Ω at 20°C (68°F)
white–white
•
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Rectifier/regulator
Type Semi conductor-short circuit •
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Model/manufacturer SH640E-11/SHINDENGEN •
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No load regulated voltage (DC) 14.1 ~ 14.9 V •
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Rectifier capacity (DC) 14.0 A •
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Withstand voltage 200.0 V
Battery
Specific gravity 1.310
Electric starter system
Type Constant mesh type •
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Starter motor
Model/manufacturer 4D3/YAMAHA •
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Output 0.40 kW •
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Armature coil resistance 0.013 ~ 0.015 Ω at 20°C (68°F) •
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Brush overall length 10.0 mm (0.39 in) 3.5 mm
(0.14 in)
Spring force 5.52 ~ 8.28 N
(563 ~ 844 gf, 19.85 ~ 29.78 oz)
•
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Commutator diameter 22.0 mm (0.87 in) 21.0 mm
(0.83 in)
Mica undercut 1.5 mm (0.06 in) •
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ELECTRICAL SPECIFICATIONS
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