Honda CB250N Shop Manual page 15

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General Information
I—
Clutch
System
Unit:
mm
(in)
Item
Standard
Service
Limit
Clutch
lever free play
Recommended
clutch
fluid
Clutch
master
cylinder
I.D.
Clutch
master
piston
O.D.
Clutch outer
I.D.
Clutch outer guide O.D.
I.D.
Mainshaft O.D.
at
clutch outer guide
Clutch
spring free height
Clutch spring
free
length
Clutch disc thickness
Clutch
disc
thickness
A
B
Clutch
plate
warpage
Centrifugal clutch
drum
I.D.
bushing O.D.
Centrifugal clutch center
guide
I.D.
O.D.
Centrifugal clutch center
guide
collar,
height
Centrifugal clutch
weight
lining
thickness
Centrifugal clutch spring
free length
Clutch
lining
thickness
Crankshaft O.D.
at
clutch center
10-20
(3/8-3/4)
26.000-26.012
(1.0236-1.0241)
25.959-25.980
(1.0220-1.0228)
20.000-20.021 (0.7874-0.7882)
37.8
(1.49)
2.8-2.9
(0.11-0.15)
26.04
(1.025)
26.90
(1.020)
20.05
(0.789)
36.0
(1.421
2.6
(0.10)
0.20
(0.00B)
-
Cooling
System
Coolant capacity
(Radiator
and
engine)
(Reserve
tank)
Radiator
cap
relief
pressure
Thermostat
begin to
open
Thermostat
fully
open
Thermostat
valve
lift
Drive Train
Recommended
final
drive
oil
Final
drive
gear
oil
capacity
at
disassembly
at
draining
Final
drive
gear backlash
Final
drive
gear
backlash- difference
between measurement
Ring gear-to-stop
pin
clearance
(A)
Stop
pin
shim
Ring gear
spacer
Pinion
spacer
Final
drive
gear assembly
preload
Output
gear backlash
Output gear
I.D.
.
Output gear bushing O.D.
I.D.
Output
drive shaft
O.D.
Output
gear
damper
spring
free length-
Output
shaft
adjustment shim
Countershaft
drive
shaft
adjustment shim
1-10

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