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MAINTENANCE SPECIFICATIONS
SPEC
2 - 18
ELECTRICAL
Item Standard Limit
Voltage: 12 V ----
Ignition system:
Ignition timing (B.T.D.C.) 10˚/ 1,000 r/min ----
Advanced timing (B.T.D.C.) 30˚/ 6,000 r/min ----
Advancer type Electrical ----
C.D.I.:
Magneto model / manufacturer F4T203/MITSUBISHI ----
Pickup coil resistance / color 189 ~ 231 Ω at 20˚C (68˚F) /
White/Green – White/Red
----
Source coil resistance / color 270 ~ 330 Ω at 20˚C (68˚F) /
Brown – Black
----
C.D.I. unit model / manufacturer F8T09273/MITSUBISHI ----
Ignition coil:
Model / manufacturer 2JN/YAMAHA ----
Minimum spark gap 6 mm (0.24 in) ----
Primary winding resistance 0.18 ~ 0.28 Ω at 20˚C (68˚F) ----
Secondary winding resistance 6.3 ~ 9.5 kΩ at 20˚C (68˚F) ----
Spark plug cap:
Type Resin type ----
Resistance 10 kΩ ----
Charging system:
Type A.C. magneto ----
Nominal output 14 to 15 V at 2,000 r/min ----
Stator coil resistance / color 0.45 ~ 0.55 Ω at 20˚C (68˚F) /
White – Black
----
Rectifier/regulator:
Model / manufacturer SH640/SHINDENGEN ----
No load regulated voltage 14.1 ~ 14.9 V ----
0
10°
20°
30°
24
Engine Speed (× 10
3
r/min)
Ignition Timing
(B.T.D.C.)
68
2