18 DF9.9T/TH/DF15 (Serial No. 110001 and later)
ELECTRICAL
STARTER MOTOR
Item Unit
Data
DF15 DF15E
DF15
R
Ignition timing Degree ATDC 5 – BTDC 30
Over revolution limiter r/min 6500
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 resis-
tance (Without spark
plug cap)
Primary Ω at 20 °C 0.2 – 0.4 (O–B)
Second-
ary
kΩ at 20 °C 6.8 – 10.2 (High-tension cord – High-tension cord)
Spark plug cap resistance kΩ at 20 °C 4 – 6
Battery charge coil resistance Ω at 20 °C 0.9 – 1.3 (R–Y) 0.3 – 0.4 (R–Y)
Battery charge coil output (12 V) Watt 80 120
Standard spark plug Type NGK CPR6EA-9
Gap mm (in) 0.8 – 0.9 (0.031 – 0.035)
Fuse amp rating A — 20
Recommended battery capacity
(12 V)
Ah (kC) — 35 (126) or over
Starter motor relay coil resistance Ω at 20 °C — 145 – 190
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 undercut 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)