Honda CB250N Shop Manual page 18

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General Information
Starting
System
Item
Standard
Unit:
mm
(in)
Service
Limit
Starter driven
sprocket
1.0.
Starter driven
sprocket boss O.D.
Starter driven
gear
t.D.
Starter clutch
outer
I.D.
Starter
motor
brush
spring tension
brush
length
22.010-22.022 10.8665-0.8670}
36.975~37.OO0
(1.4557-1.4567)
22.08
(0.869)
36.90
(1.453)
780-1,060
g
12.5-13.0
(0.49- 0.51)
450
g
8.5
(0.33)
-
Ignition
System
Spark
plug (Standard)
(For
cold climate/below
5°C741
°F)
(For
extended
high
speed
riding)
Spark
plug
gap
Ignition
timing
"F" mark
Advance
start
stop
Full
advance
Peak
voltage
Ignition
coil
(Primary
side)
Exciter
coil
Pulse generator
coil
Alternator exciter
coil
resistance (At
20°C/68°F)
Ignition
coil
resistance
(Primary;
at
20°C/68°F)
(Secondary with
plug cap)
(Secondary without
plug cap)
Pulse generator resistance
(At
20°C/68
t>
F)
CR6HSA
(NGK)
U20FSR-U (NIPPONDENSO)
CR5HSA
(NGK)
.
.
U16FSR-U (NIPPONDENSO)
CR7HSA
(NGK)
U22FSR-U (NIPPONDENSO)
0.60-0.70
(0.024-0.028)
10°BTDC/1,500
min-
1
(rpm)
10°/1,700
min-' (rpm)
25°/3,QD0
min-' (rpm)
25°/3,0O0
min-
1
(rpm)
100
V minimum
100
V
minimum
0.7
V
minimum
50-180
a
0.1-0.3
fi
6.5-9.7
kSl
2.8-3.4
kfl
5D-170
I—
Lights/Meters/Switches
Main
fuse
Fuse
Headlight (high/low
beam)
Tail/brake
light
License
light
Position
light
Front turn signal/running
light
Front turn
signal
light
Rear
turn signal
light
Instrument
lights
Oil
pressure
warning
indicator
Tail/brake
light
warning
indicator
Side stand
warning
indicator
Low
fuel
indicator
Coolant temperature
indicator
Oil
temperature
indicator
High
beam
indicator
Turn
signal indicator
Neutral indicator
Reverse
indicator
Overdrive
indicator
Oil
temperature sensor
resistance
Fuel unit
resistance (At
full
level)
(At
low
level.)
Fuel
pump
flow capacity
(min.
/minute)
.
Coolant temperature sensor
resistance' (At 0
C/°F)
Fan
motor
switch
starts
(ON)
stops
(OFF)
20
A
10
A
x 2
12
V-50/35
W: U
type
12
V-4-5/40 W:
E
type
12
V-
5/21
W
12
V-4
W
(E
type
only)
12
V-21
W
x
2
12
V-21
W
x 2
12
V-3.4
Wx2
12
V-1.7
W
12
V-3.4
W
12
V-3.4
W
x
12
V-3.4
-W
1-13

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