2-5
MAINTENANCE SPECIFICATIONS
SPEC
ELCTRICAL
Item Unit
Model
9.9C 15C
Ignition system
Ignition timing (full retarded) Degree A.T.D.C. 4.0–6.0
(full advanced) Degree B.T.D.C. 29.0–31.0
Piston position (full retarded) Degree A.T.D.C. 0.1
(full advanced) Degree B.T.D.C. 4.0–4.4 (B.T.D.C. 0.16–0.18)
Spark plug gap mm (in) 0.9–1.0 (0.035–0.039 )
Ignition coil resistance
Primary coil (B/W–B) Ω 0.05–0.07
Secondary coil
(B/W–spark plug wire)
kΩ 1.6–2.5
Pulser coil resistance (B/W–B) Ω 352.00–528.00
Charge coil resistance (Br–L) Ω 248.00–372.00
CDI Unit output peak voltage
(B/O–B, B/W–B)
@ Cranking (load) V 120.0
@ 1,500 r/min (load) V 210.0
@ 3,500 r/min (load) V 170.0
Lighting system
Lighting voltage
(minimum) @3,000 V 11.5
(maximum) @5,500 V 14.0–17.5
Lighting coil resistance (G–G) Ω 0.16–0.24
DIMENSIONS
mm (in)
Symbol Unit
Model
9.9C 15C
H4 :S mm (in) 440.0 (17.32)
C1 mm (in) 30.0 (1.18)
C2 mm (in) 56.0 (2.20)
Chapter2 03.11.26 13:55 Page 5
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