Electrical - Yamaha RS90K Service Manual

ELECTRICAL

Model
Voltage
Ignition system:
Ignition timing (B.T.D.C.)
Advanced type
Ignition coil:
Model/Manufacturer
Ignition spark gap
Primary coil resistance
Secondary coil resistance
Charging system:
Type
Nominal output
DC-C.D.I.:
Magneto model/Manufacturer
Standard
Pickup coil resistance (color code)
Stator coil resistance (color code)
Ignitor unit model/Manufacturer
Rectifier/regulator:
Type
Model/Manufacturer
No load regulated voltage (DC)
Capacity (DC)
Withstand voltage
Battery:
Specific gravity
Manufacturer
Type
Ten hour rate amperage
Electric starter system:
Type
Starter motor:
Model/Manufacturer
Output
Armature coil resistance
Continuity check
Insulation check
Brush
Overall length
<Wear limit>
Spring pressure
Commutator diameter
<Wear limit>
Mica undercut
Starter relay:
Model/Manufacturer
Amperage rating
Coil resistance
MAINTENANCE SPECIFICATIONS
RS90/RS90R/RSG90/RS90M/RST90/RST90TF
12 V
5° at 1,400 r/min
Digital type
F6T55873/MITSUBISHI
6.0 mm (0.24 in)
1.19 ~ 1.61 Ω at 20 °C (68 °F)
8.5 ~ 11.5 kΩ at 20 °C (68 °F)
A.C. magneto
14 V/less than 35 A at 5,000 r/min
F074T38571/MITSUBISHI
14 V 30 A, 420 W at 5,000 r/min
189 ~ 231 Ω at 20 °C (68 °F) (Gray – Black)
0.22 ~ 0.26 Ω at 20 °C (68 °F) (White – White)
J4T15871/MITSUBISHI (RS90/RS90R/RSG90/RS90M)
J4T15872/MITSUBISHI (RST90/RST90TF)
Short circuit type
FH001/SHINDENGEN
14.1 ~ 14.9 V
35 A
40 V
1.32
YUASA
YTX20L-BS 12V-18Ah
18 A
Constant mesh type
8ES1/MORIC
12 V – 0.95 kW
0.008 ~ 0.010 Ω at 20 °C (68 °F)
More than 100 kΩ at 20 °C (68 °F)
9.8 mm (0.39 in)
5.0 mm (0.20 in)
7.36 ~ 11.04 N (750 ~ 1,126 g, 26.5 ~ 39.7 oz)
28.5 mm (1.12 in)
27.5 mm (1.08 in)
1.5 mm (0.059 in)
MS5F-421/JIDECO
180 A
4.18 ~ 4.62 Ω at 20 °C (68 °F)
9-17
SPEC