Yamaha F15A - Page 98

SPEC
MAINTENANCE SPECIFICATIONS (FT9.9D)
2-29
E
Model
Item Unit
FT9.9DMH FT9.9DEH FT9.9DE
Charge coil resistance (Br-L) Ω 272 ~ 408
Pulsar coil resistance (W/G-B) Ω 234 ~ 348
Ignition coil resistance (O-B)
Primary Ω 0.16 ~ 0.24
Secondary kΩ 3.94 ~ 5.88
IGNITION CONTROL SYSTEM
Oil pressure switch
kPa (kg/cm
2
, psi) 14.7 (0.15, 2.13)
Engine speed limiter
Rated timing r/min 5,700 ~ 6,000
Ignition off r/min 5,700 ~ 6,000
Reset r/min 5,700 ~ 6,000
STARTING SYSTEM
Fuse* A — 20
STARTER MOTOR
Type — Bendix
Rating Second — 30
Output kW — 1.1
Brush length mm (in) — 12.6 (0.5)
Limit mm (in) — 6.4 (0.25)
Commutator undercut mm (in) — 2 (0.08)
Limit mm (in) — 0.8 (0.03)
CHARGING SYSTEM
Rectifier/regulator ID mark 6G8-A1
Lighting coil output peak voltage
V
1
(G-G/W)
@ cranking 1 (500 r/min) open V 6.5
@ cranking 2 (500 r/min) loaded V 6.0
@ 1,500 r/min V 21
@ 3,500 r/min V 46
Rectifier output peak voltage
V
2
(R-B)
@ cranking 1 (500 r/min) open V 6.0
@ 1,500 r/min V 20
@ 3,500 r/min V 46
Charging current* A
@ 20 °C (68 °F) 10
Lighting coil resistance
(G-G/W) Ω @ 20 °C (68 °F) 0.24 ~ 0.36
* Charging current 10A → Fuse 20A