DF9.9/15 “K6” (’06) MODEL 10-9
ELECTRICAL
STARTER MOTOR (only for Electric start model)
Item Unit
Data
DF9.9
DF9.9E DF9.9R DF15 DF15E DF15R
Ignition timing Degrees
ATDC 5 – BTDC 30
Over revolution limiter r/min Approx. 6 500
Condenser charge coil
resistance
Ω at 20 °C 12.5 – 18.8 (G – B/R)
Pulser coil resistance Ω at 20 °C 148 – 222 (R/B – B)
Ignition coil
resistance
(without spark
plug cap)
Primary
Ω at 20 °C 0.2 – 0.4 (O – B)
Secondary
kΩ at 20 °C 6.8 – 10.2 (H.T. cord – H.T. cord)
Spark plug cap resistance kΩ at 20 °C 8 – 12
Battery charge coil resis-
tance
Ω at 20 °C
0.9 – 1.3 (DF9.9/15)
0.3 – 0.4 (DF9.9E/15E/9.9R/15R)
(R – Y)
Battery charge coil output
(12V)
Watt
80: (DF9.9/15)
120: (DF9.9E/15E/9.9R/15R)
Standard spark
plug
Type NGK BKR6E
Gap mm (in) 0.7 – 0.8 (0.028 – 0.031)
Fuse amp rating A 20: Electric start model
Recommended battery
capacity (12V)
Ah (kC) 35 (126) or over: Electric start model
Starter motor relay coil
resistance
Ω at 20 °C 145 – 190: Electric start model
Max. continuous time of use
Sec. 30
Motor output
kW 1.4
Brush length
STD mm (in) 15.5 (0.61)
Limit mm (in) 9.5 (0.37)
Commutator under-
cut
STD mm (in) 0.5 – 0.8 (0.02 – 0.03)
Limit mm (in) 0.2 (0.01)
Commutator outside
diameter
STD mm (in) 29.0 (1.14)
Limit mm (in) 28.0 (1.10)
Commutator outside
diameter difference
STD mm (in) 0.05 (0.002)
Limit mm (in) 0.40 (0.016)