Electrical - Yamaha WR250F Owner's Service Manual

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Item
Front disc brake:
Disc outside dia.×Thickness
Pad thickness
Master cylinder inside dia.
Caliper cylinder inside dia.
Brake fluid type
Rear disc brake:
Disc outside dia.×Thickness
Deflection limit
Pad thickness
Master cylinder inside dia.
Caliper cylinder inside dia.
Brake fluid type
Brake lever and brake pedal:
Brake lever position
Brake pedal height (vertical height above footrest
top)
Clutch lever free play (lever end)
Throttle grip free play

ELECTRICAL

Ignition system:
Advancer type
CDI:
Pickup coil resistance (color)
CDI unit-model/manufacturer
Ignition coil:
Model/manufacturer
Minimum spark gap
Primary coil resistance
Secondary coil resistance
Charging system:
System type
Model (stator)/manufacturer
Normal output
Charging coil resistance (color)
Lighting coil resistance (color)
Item
MAINTENANCE SPECIFICATIONS
Standard
250 × 3.0 mm (9.84 × 0.12 in)
4.4 mm (0.17 in)
11.0 mm (0.433 in)
27.0 mm (1.063 in) × 2
DOT #4
245 × 4.0 mm (9.65 × 0.16 in)
----
6.4 mm (0.25 in)
11.0 mm (0.433 in)
25.4 mm (1.000 in) × 1
DOT #4
95 mm (3.74 in)
10 mm (0.39 in)
8–13 mm (0.31–0.51 in)
3–5 mm (0.12–0.20 in)
Standard
Electrical
Ω
248–372
at 20 °C (68 °F) (White–Red) ----
5UM-F0/YAMAHA
5UL-10/DENSO
6 mm (0.24 in)
Ω
0.08–0.10
at 20 °C (68 °F)
Ω
4.6–6.8 k
at 20 °C (68 °F)
AC magneto
5UM 30/YAMAHA
14 V/120 W at 5,000 r/min
Ω
0.288–0.432
at 20 °C (68 °F) (White–
Ground)
Ω
0.224–0.336
at 20 °C (68 °F) (Yellow–
Ground)
2-10
Limit
250 × 2.5 mm
(9.84 × 0.10 in)
1.0 mm (0.04
in)
----
----
----
245 × 3.5 mm
(9.65 × 0.14 in)
0.15 mm
(0.006 in)
1.0 mm (0.04
in)
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Limit
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