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ELECTRICAL SPECIFICATIONS
2-12
EAS29140
ELECTRICAL SPECIFICATIONS
System voltage
System voltage 12 V
Ignition system
Ignition timing (B.T.D.C.) 10.0 °/1550 r/min
Advanced timing (B.T.D.C.) 24.4 °/5000 r/min
Advancer type Digital
DC. CDI
Pickup coil resistance 248-372 Ω (R–W)
CDI unit model/manufacturer 4D3/YAMAHA
Ignition coil
Model/manufacturer 2JN/YAMAHA
Minimum ignition spark gap 6.0 mm (0.24 in)
Primary coil resistance 0.18–0.28 Ω
Secondary coil resistance 6.32–9.48 kΩ
Spark plug cap
Material Resin
Resistance 10.0 kΩ
AC magneto
Model/manufacturer F5XT/YAMAHA
Standard output 14.0 V 190 W 5000 r/min
Stator coil resistance 0.688–1.032 Ω (W–W)
Rectifier/regulator
Regulator type Semi conductor-short circuit
Model/manufacturer SH640E-11/SHINDENGEN
No load regulated voltage 14.1–14.9 V
Rectifier capacity 14.0 A
Withstand voltage 200.0 V
Battery
Specific gravity 1.31
Electric starting system
System type Constant mesh
Starter motor
Model/manufacturer 4D3/YAMAHA
Power output 0.40 kW
Armature coil resistance 0.013–0.015 Ω
Brush overall length 10.0 mm (0.39 in)
Limit 3.50 mm (0.14 in)
Brush spring force 5.52–8.28 N (563–844 gf, 19.87–29.80 ozf)
Commutator diameter 22.0 mm (0.87 in)
Limit 21.0 mm (0.83 in)
Mica undercut (depth) 1.50 mm (0.06 in)
Starter relay
Model/manufacturer A4616-051/JIDECO
Amperage 180.0 A
Coil resistance 4.18–4.62 Ω