Tecnico Cb250 Manual de usuario

Introduction

This

service

manual describes

the

service procedures

fór

the

CB250.

This

Model

Specific Manual includes every service proce-

dure

that

specific

natura

this

particular

model.

Basic service procedures

that

are

common

other

Honda

Motorcycle/Motor

Scooter/ATVs

are

coveredin

the

Corn-

mon

Service

Manual.

This

Model

Specific

Service

Manual

should

be used

together

with

the

Common

Service

Manual

in order

provide

complete

service

information

on all

aspects

this

motorcycle,

Throughout

the

manual,

the

following

abbreviations

are

used to

identify

individual

rnodels.

CODE

AREA

(TYPE)

U.K.

Australia

Performing

the

first

scheduled

maintenance

very

im-

portant.

compensates

for

the

initial

wear

that

occurs

duríng

the

break-in

periodo .

Sections

and

applv

whole

motorcycle.

Sectíon

2 íl-

lustrates

procedures

for

removal/installation

cornpo-

nents

that

may

be required

perform

service

described

the

followinq

sections.

Sections

through

17 describe parts

the

motorcycle,

grouped

according

location.

Find

the

section

you

want

this

page,

then

turn

the

table

contents

the

first

page of the

section,

\I1ost

sections

describe

the

service

prccedure

throuqh

svstern

illustration.

Refer to

the

page

for

details

",OW

to use thís

manual.

f you

dont

know

the

source

the

trouble,

sec-

ion

Troubleshooting.

ALL

INFORMATION,

ILLUSTRATIONS,

DIREC-

TIONS AND SPECIFICATIONS INCLUDED IN THIS

PUBLlCATION

ARE BASED ON THE

LATEST

PRODUCT

INFORMATION

AVAILABLE

THE

TIME

APPROVAL

FOR PRINTING.

HONDA

MOTOR

CO.,

LTD.

RESERVES THE RIGHT TO

MAKE

CHANGES

ANY

TIME

WITHOUT

NO-

TICE

AND

WITHOUT

INCURRING

ANY

OBLlGA-

TION

WHATEVER.

PART

THIS

PUBLlCA-

TION

y BEREPRODUCED

WITHOUT

WRITTEN

PERMISSION. THIS

MANUAL

IS WRITTEN FOR

PERSONS

WHO"

HAVE

ACQUIRED

BASIC

KNOWLEDGE OF

MAINTENANCE

HONDA

MOTORCYCLES,

HONDA

MOTOR

CO.,

LTD.

SERVICE PUBLlCATION OFFICE

rte

Issue:

March,

1992

Hnl\lnil.

~~nTnp

...

(1)

"¡:

-a

.(1)

..l:

"¡:

.....

(1)

Contents

General

Information

Frame/B6dy

panels/Exhaust

System

Maintenance

Lubrication

System

Fuel

System

Engine

Removal/lnstallation

Cylinder

Head/Cylinder/Piston

Clutch/Gearshift

Linkage

Crankshaft/T

ransm

ission

Front

Wheel/Suspension/Steering

Rear

Wheel/Suspension

Brake

System

Charging

Systeml

Alternator

Ignition

System

Electric

Starter

IStarter

Clutch

Lights/Meters/Switches

Wiring

Diaqrarn

Troubleshooting

How

Use

This

Manual

Finding

The

Information You Need

This

manual

devided

into

sections

which

cover

each of

the

major

components

the

motorcycle.

quickly

find

the

section you are

interested

in,

the

first

page

of each

sections

marked

with

black

tab

that

lines up

with

one of

the

thumb

index

tabs

before

this

page.

The

first

page of each

section

lists the

table

contents

with-

the

section.

Read

the

service

information

and

troubleshooting

the

section

before

you

begin

working.

• An

index

the

entire

book

provided

the

last

chapter

directly

locate

the

information

you

need.

Understanding

The

Instructions

•

The

removal

and

installation

parts

are

for

the

rnost

part

illustrated

by large and

clear

illustr

ations

that

should

provide

the

reader

with

visual

aid in

understanding

the

major

point

for

servicing.

The

system

illustrations

are

augmented

by call

outs

whose

numbers

letters

indicate

the

order

which

the

parts

should

removed

installed.

The

sequence

steps

represented

numerically

are

diffferentiated

from

the

ones

represented

alphabetically

notify

the

reader

that

they

must

perform

these

steps

separately.

For ex-ample, if

the

steps

prior

and up

camshaft

rernoval

are

performed

with

the

engine

installed,

but

the

subsequent

steps

cylinder

head

removal

require

engine

removal,

the

callouts

are

grouped

numerical

and

alphabetical

orders.

The

illustrations

may

contain

symbols

indicate

necessary

service

procedures

and

precautions

that

need

taken.

Refer

the

page

for

the

meaning

each

symbol.

•

Also

the

illustration

is a

chart

that

lists

informatión

such

the

order

which

the

parts

removal/installed,

the

name

the

part.

and

some

extra

notes

that

may

needed.

Step

step

instructions

are

provided

supplement

the

illustrations

when

datailed

explanation

the

procedure

necessary

illustrations

alone

would

not

suffice.

Standard

workshop

procedures

and

knowledge

covered

the

Common

Service

Manual

are

abbreviated

this

manual.

11-8

Detailed

description

the

procedure

----

---

.,..,-

~--

..........

_--

-_.-

...

_------.

"----------

-----

------_-.

-_-..._-----_.

-.-._----_--.

---------.

----------

---------

I~-

1---

-1

~:::.::.::=:

- - - -]

Symbols

....

_-----

.e-...o_-..

.:.::

-::'-:'::"-::'::::-':::'-1

11-7

System

illustration

Step

sequence

(numerals

alphabets)

Part

name

Number

parts

Extra

notes

precautions

the

service

procedure

CB250

Addendum

Specifications

General

Item

Specifications

Dimensions

Frame

Engine

Overall

length

Overall

width

Overall

height

Wheel

base

Seat

height

Footpeg

height

Ground

clearance

Dry

weight

Curb

weight

Maximum

weight

capacíty

Frame

type

Front

suspensión

Front

wheel

travel

Rear

suspension

Rear

wheel

travel

Hear

damper

Front

tiresize

Rear

tire

size

Tire

brand

(Bridgestone)

Tirebrand

(Dunlop)

Tire

brand

(Yokohama)

Tire

brand

(IRC)

Tire

brand

(Pirelli)

Front

brake

Hear

brake

Caster

angle

Traillength

Fuel

tank

capacity

Fuel

tank

reserve

capacity

Bore

and

stroke

Displacement

Compression

ratio

Valve

train

Intake

valve

opens'

(att

lift)

Intake

valve

closes (at 1

lift)

Exhaust

valve

opens

(at 1

lift)

Exhaust

valve

closes (at 1

lift)

Lubrication

system

Oil

pump

type

ICo

olinp

system

.•- Ai r

fi/tration

Crankshaft

type

Engine

weight

Firing

order

Cylinder

arranqernent

Cylinder

number

i'I.

FRONT

FR/RR

2,090

mm"{82;3

in)

755

(29.7 in)

1,090

(42.9"in)

1,425

(56.1 in)

755

(29.7 in)

306

(12.0 in)

165

(6.5 in)

132

kg(291

lbs)

146 kg

(322

lbs)

160

kg(352Ibs)

Diamond

Telescopic

fork

123

(4.8

in)

Swingarm

110

(4.3 in)

Conventiorial

type

oildamper

90/100 - 18

545

120/90 -

16635

K300MNK327

MT65/MT65"

Hydraulicsingle

disc

Mechanical

leading/trailingshoe

28°30'

109

(4.3 in)

16 e(4.2 U5

gal,

3.5

Imp

gal)

(0.8

U5gal,

0.7

Imp

gal)

53 x 53

(2.1 x 2.1 in)

234 cm" (14.3

cu-in)

9.2:

Chain

drive

and

OHC

with

rocker

arm

- 5° BTDC

"35°

ABDC

35°

BBDC'

- 5°

ATDC

Forced

pressureand

wetsurnp

Trochoid

Air

cooled

Paperfilter

"Assembled

type

38.5 kg (84.9Jbs)

Vertical

twin,

paral1el

-;~;

CB250

Addendum

G I (C

td)

enera

Item

Specifications

Carburetor

tvpe

Constant

Velocity

single

carburetor

Throttlé

bore

26mm

(1.0 in)

Drive

Train

Clutch

system

Multi-plate,

wet

Clutch

operation

system

Mechanical

type

Transmission

speeds

Primaryreduction

3.631 (69/19)

Secondary

reduction

---

Third

reduction

---

Final

reduction

2.214 (31/14)

Gear

ratio

1st 2.846 (37/13)

Gear

ratio

2nd

1.777 (32/18)

Gear

ratio

3rd

1.333 (28/21)

Gear

ratio

4th 1.083 (26/24)

Gear

ratio

5th 0.913 (21/23)

Gear

ratio

6th

---

Gear

ratio

reverse

---

Gearshift

pattern

Left

foot

operated,

return

system,

1- N - 2 - 3 - 4 - 5

Electrical

...

Ignition

system

CDI

Starting

system

Electric

starter

Charging

sy.stem

Tripple

phase

output

type

Regulator/rectifier

type

SCR

shorted

tripple

phase,

full-wave

rectification

Lighting

system

Alternator

regulatortype

---

(

CB250

Addendum

Lubrication

Unit:

(in:

Item

Standard

Service

limit

Other

viscosities

shown

the

chartmay

used

when

the

average

temperature

your

riding

area is

within

the

indicated

range.

1.5 e

(1.6US

qt.

1.3

Imp

qt)

1.8 e(1.9 US

qt,

t.s.lmp

qt)

Use

Honda

4-stroke

Oil

equivalent

API

Service

Classífication:

SE,

Viscosity:

SAE

10W

- 40

01020304.O"C

5On%e

,,,

....

~Imm

Engine

oil

capacity

draining

disassembly

oil

filter

change

Recommended

engine

oil

lKl 80

Oil

pressure

oil

pressure

switch

Oil

pump

rotor

tip

clearance

body

c1earance ®

end

clearance

0.15

(0.006)

0.15

0.18

(0.006 - 0.007)

0.03

- 0.11 (0.001 -

0.004)

0.20

(O.OOS)

0.25 (0.010)

0.14

(0.006)

Fuel

System

Carburetor

identification

number

Main

jet

VE37E

#105

(High

altitude)

(2,3)

(1, 4)

(Front)

(Rear)

Slow

jet

Jet

needle

clip

position

Pilot

screwinitialopening.

Pilot

screw

high

attitudeadjustrnerrt

Pilot

screw

final

opening

Air

screw

initial

opening

Air

screw

high

altitude

adjustment

Float

level

Carburetorvacuurn

difference

!Base

carburetor

(For

carburetor

synchronization)

Idle

speed

Throttle

grip

free

play

Accelerator

pump

clearance

Secondary

air

supply

svstern

Air

injection

control

valve

vacuum

pressure

Carbur

etor

ater

resistance

#40

1-5/8

1/4 tu rns

out

lS.5

(0.73)

1,500 ±

TOO

min-'(rpm)

2 - 6

(l/S-

1/4)

.11

CB25D

Addendum

Lubrication

Item

Engine

oil

capacity

draining

disassembly

oil

filter

change

Recommended

engine

oil

80 80

Oil

pressure

oil

pressure

switch

Oil

pump

rotor

tip

clearance

body

c1earance ®

end

clearance

CID

Standard

1.5 e

(1.6US

ot. 1.3

Imp

qt)

1.8 e(1.9 US

qt,

1.S.lmp

qt)

Use

Honda

4-stroke

Oil

equivalent

API

Service

Classification:

SE,

SF or SG

Viscosity:

SAE

10W

- 40

Other

viscosities

shown

the

chartmay

used

when

the

average

temperature

your

riding

area is

within

the

indicated

ranqe.

0.15

(0.006)

0.15

0.18

(O.OOS

0.007)

0.03 - 0.11 (0.001 -

0.004)

Unit:

(ir

Service

Limit

0.20 (0.008)

0.25 (0.010)

0.14

(0.006)

Fuer

System

Carburetor

identification

number

Main

jet

(High

altitude)

(2,3)

(1, 4)

(Front)

(Re ar)

Slow

jet

Jet

needle

clip

position

Pilot

screwinitialopening.

Pilot

screw

high

altitudeadjustment

Pilot

screw

final

openinq

Air

screw

initial

opening

Air

screw

high

altitude

adjustment

Float

level

Carburetorvacuurn

difference

Base

carburetor

(For

carburetor

synchronization)

Idle

speed

Throttle

grip

free

play

Accelerator

pump

clearance

Secondary

air

supply

system

Air

injection

control

valvevacuum

pressure

Carburator

heater

resistance

VE37E

#105

#40

1-5/8

1/4

turns

out

18.5 (0.73)

1,500 ±100

rnirr

lIrprrrl

2 - 6

(1/8-

1/4)

13 - 15 n(20°C/68°F)

CB25D

Addendun

Unit:

(in

Cylinder

Heacl

-----~~----_._--------------___,__------:.-

Item

Standard

Service

Limit

Cylinder

com

pression

{kPa

(kgf/cm

2,psi)/500 - 600

min-

1(rprnl)

Cylinder

compression

difference

{kPa

(kgf/cm

2,psi)/500 - 600

mirr

(rprnl}

Valve

clearance

Cylinder

head

warpage

Cam

lobe

height

Camshaft

runout

Camshaft

oil

clearance

1,373 - 1,471 (14 -

15,199

- 213)

(1,14)

0.06 -

0.10(0.002

-0.004)

0.06 -0.10·(0.002 -0.004)

27.383..c 27.543 (1.0781 - 1.0844)

27.209 -27.369 (1.0712 -1.0775)

785 (8, 114)

0.10 (0.004)

27.2 (1.07)

27.0(1.06)

0.05 (0.002)

OJCD

Camshaft

journal

0.0.

Camshaft

bushing

1.0.

Carnshaft

holder

1.0. A

Va/ve

stem

0.0.

Valve

guide

1.0. IN

Stem-to-guide

clearance IN

Valve

guide

ojection

aboye

cylinder

head

Before

guide

installation:

Chill

the

valve

guides

the

freezer

section

the

refrigeratorfor

about

hour

- 2.

Heat

the

cylinder

head

100 - 150°C (212 - 300°F)

.Valve

seat

width

Vert\re

sprin'g

free

length

inner

outer

outerEX

Rocker

arm

1.0. IN

Sub-rocker

arm

1.0. IN

RockerarmshaftO.D.

Sub-rocker

arrn

shaft

0.0.

Rocker

arrn-to-rocker

arrn

shaft

clearance

Sub-rocker

arrn-to-rocker

arrn

shaft

clearance

Valve

lifter

0.0.

Valve

lifter

bore

1.0.

Hydraulic

lash

adjuster

assist

spring

freelength

Hydrauliclash

adjuster

compression

stroke

with

kerosene

19.967

-19.980

(0_7861 - 0.7866)

20.063 -20.083 (0.7899 -0.7907)

5.450 - 5.465 (0.2146 -0.2152)

5.430 - 5.445 (0.2138 -0.2144)

5.475 - 5.485 (0.2156 -0.2159)

0.010-

0.035

(0.0004

-0.0014)

0.030

-0.055

(0.0012 -0.0022)

1.0 - 1.1 (0.039 - 0.043)

29.9 (1.18)

38.2 (1.50)

38.2(1.50)

Q.OOO

-10:015 (0.3937

-0.3943)

10.000.., 10.015 (0.3937

-0.3943)

9.978 -

9.987(0.3928

-0.3932)

9.978 - 9.987 (0.3928 -0.3932)

0.013:-

0.037 lO.0005 -0.0015)

19.92 (0.784)

20.20 (0.795)

5.42 (0.213)

5.40 (0.213)

5.50 (0.217)

5.50 (0..

;217)

0:08 (0.003)

0.10 (0.004)

1.8 (0.07)

29.0

(l.14)

29.0(1.14)

37.0 (1.46)

10.10 (0.398)

. 9.91 (0.390)

9.91 (0.390)

0.05 (0.002) ..

19-5

CB25ü

Addendum

Cvlinder/Piston

Item

Cylinder

I.D.

out

round

taper

warpage

Piston

mark

direction

Pisto

n O.D. (O)

Piston

O.D.

measurement

point

(H)

Piston

hole

I.D. (d)

(d)

Cylinder-to-piston

clearance

Pisten

O.D.

Piston-to-piston

clearancé

Connectinq

rod-to-piston

clearance

Top

ring-to-ring

groove

clearance

Second

ring-to-ring

groove

c1earance

Top

ring

end

gap

Second

ring

end

gap

Oil

ring

(side

rail)

end

gap

Top

ring

mark

Second

ring

mark

-Crankshaft

Connecting

rod

small

end I.D.

Connecting

rod

bigendside

clearancs

radial clé

arance

Crankshah

runout

(at

both

ends)

(at

bearing

holder)

bG)

39.5

(1.56 in)

U .

l'9.5

(0.37 in)

Crank

oil

clearance

Crank

bearing

selection

Main

journal

oil

clearance

Main

journal

bearing

selsction

Standard

53.000

53.010

(2.0866

2.0870)

"IN"

mark

facing

toward

the

intake

side

52.970

52.990

(2.0854

2.0862)

(0.4 in)

from

the

bottom

15.002

15.008

(0.5906 -

0.5909)

0.010

0.040

(0.0004

0.0016)

14:994

15.000

(0.5903 -

0.5906)

0.002

0.014(0.0001

0.0006)

0.016

0.040

(0;0006 -

0.0016)

0.015

0.040

(0.0006 -

0.0016)

0.015

-0.040(0.0006

0.0016)

0.15 -

0.30

(0.006 -0.012) .

0.30

-0.45 (0.012 -0.018)

0.2 - 0.7 (0,01 - O.03)

"N".mark

side

facing

"N"

markside

facing

15.016

15.034

{0.59 J2 -

0.5919)

0.10-0.40

(0.004-0.016)

0,004

0.012

(0.0002 -

0.0005)

.""

Unit:

(in)

Service

Limit

53.10

(2.091)

0.05 (0.002)

0.05(0.002)

52.90

(2.083)

15.05 (0.593)

0.10

(0.004)

14.98

(0.590)

0.07 (0.003)

0.10

(0.004)

0.10

(0.004)

0.10 (0.004)

0.45(0.018)

0.60

(0.024)

0.90

(0.036)

15.08 (0.594)

0.6 (0;02)

0.05

(0.002)

0.03

(0.001)

0.05

(0.002)

-Kickstarter

--------'--------'-------,-----------~----~-,------

Kickstarterpinion

gear

I.D.

Kickstarter

spindle

O.D.

Kickstarter

id le

gear

I.D.

Countershah

O.D. at

kickstarter

id le

gear

Kickstarter

idle

gearbushing

O.D.

I.D.

19-6

Transrnrssion

Item

Transmission

gear

I.D. M5

Transmission

gear

bushing

O.D. Cl

Transmission

gear

bushing

I.D.

Gear-to-bushing

clearance

gear

Mainshaft

O.D. at M5

gear

at c1utch

outer

guide

Countershaft

O.D. at Cl

gear

at C4

gear

Gear-to-shaft

clearance

at M5

gear

at C4

gear

Gear

bush

ing-to-shaftclearance

gear

Shift fork

claw

thickness

Shift

fork I.D. L

Shift

fork

shaft

O.D. L

Shift

drum

O.D.

Standard

20.020

-20.041 (0.7882 -0.7890)

20.020

-20.041

(0.7882

-0.7890)

20.020

-20.041 (0.7882 -0.7890)

19.979-

20.006

(0.7866

-0.7874)

16.516

16.534

(0.6502 -0.6509)

0.020

-0.062 (0.0008 -0.0024)

19.959

-19.980

(0.7858

-0.7866)

19.959

-19.980

(0.7858 -0.7866)

16.446

-16.484

(0.6475

-0.6490)

19.959

-19.980

(0.7858

-0.7866)

0.040

-0.082 (0.0016 -0.0032)

0.040 -0.082 (0.0016

-0.0032)

0.032

-0.068 (0.0013 -0.0027)

4.93 -

5.00(0.194

0.197)

4.93 -5.00 (0.194 -

0.197)

4.93 - 5.00 (0.194

-0.197)

12.000 -

12.018

(0.4724

-0.4731)

12.000

-12.018

(0.4724

-0.4731)

12.000 -12.018

(0.4724-0.4731)

"'"19 :976"';

11.994

(0.4715

-0.4722)

11.976 -

11.994

(0.4715

-0.4722)

11.976

11.994

(0.4715

-0.4722).

CB250

Addendum

Unit:

(in)

Servica

Umit

20.08

(0.791)

20.08

(0.791)

20.08

(0.791)

19.93(0.785)

16.58

(0.653)

0.10(0.004)

19.91 (0.784)

16.41 (0,646)

19.91 (0.784)

0.10(0.004)

0.10 (0.004)

4.80 (0.189)

12.05 (0.474)

11.93 (0.470)

19-7

Unit:

(in)

Cfutch

System

Item

Standard

Service

Limit

Clutch

lever

free

play

10 - 20 (3/8

3/4)

---

Recornrnended

clutch

fluid

--- ---

Clutch

master

cylinder

I.D.

---

Clutch

master

piston

O.D.

--- ---

Clutch

outer

I.D.

26.000

26.012

(1.0236

1.0241)

26.04

(1.025)

Clutch

outer

guide

O.D.

25.959

25.980

(1.0220 -

1.0228)

25.90

(1.020)

I.D.

20.000

20.021

(0.7874

0.7882)

20.05

(0.789)

Mainshaft

O.D. at

ciutch

outer

guide

--- ---

Clutch

spring

free

heigJ;ot:"

---

Clutch

spring

free

length

37.~

(1.49)

36.0

(1.42)

Clutch

disc

thickness

2.8

- 2.9 (0.11 - 0.15)

2.6

(0.10)

Clutch

disc

thickness

--- ---

Clutch

plate

warpage

---

0.20

(0.008)

Centrifugal

clutch

drum

I.D.

---

bushing

O.D.

---

Centrifugal

clutch

center

guide

I.D.

---

0.0.

---

Centrifugal

clutch

center

guide

collar.heiqht

---

Centrifugal

clutch

weight

lining

thickness

---

Centrifugal

clutch

spring

free

length

---

Clutch

lining

thickness

---

Crankshaft

O.D. at

clutch

center

---

CoolingSystem

Coolant

capacito

(Radiato.r and

engine)

(Reserve

tank)

Radiator

cap

relief

pressure

Thermostat

begin

open

Thermostat

fully

open

Thermostat

valva

lift

Drive

Train

Recommended

final

drive

oil

Final

drive

gear

oil

capacity

disassembly

draining

Final

drive

gear

backlash

Final

drive

gear

backlash

difference

between

measurement

Ring

gear-to-stop

clearance (A)

Stop

shim

Ring

gear

spacer

Pinion

spacer

Final

drive

gear

assembly

preload

Output

gear

backlash

Output

gear

I.D.

Output

gear

bushing

0:0.

I.D.

Output

drive

shaftO.D.

Output

geardamper

spring

free

length

Output

shaft

adjustment

shirn

Countershaft

drive

shaft

adjustment

shim

19-8

Tabla de contenidos

Manuales populares de Motocicleta de otras marcas

OHVALE

OHVALE GP-0 Manual de lista de piezas

Yamaha

Yamaha Star XV19CTSZ 2009 Manual de usuario

KTM

KTM 350 XCF-W USA Manual de usuario

HYOSUNG

HYOSUNG ST7 Manual de usuario

Husqvarna

Husqvarna FC 250 2016 Manual de usuario

Ducati

Ducati SCRAMBLER 800 Manual de instrucciones

MOTO GUZZI

MOTO GUZZI QUOTA 1100 ES Manual de usuario

APRILIA

APRILIA ETV MILLE CAPONORD - PART1 02-2001 Manual de usuario

Yamaha

Yamaha 2006 YZF-R1V Manual de usuario

KTM

KTM Freeride E-XC 2021 Manual de usuario

Fantic

Fantic Enduro 125 Manual de usuario

Ducati

Ducati Supersport 750 desmodue Manual de usuario

MV Agusta

MV Agusta 2008 F4 312RR 1078 Manual de instrucciones

Yamaha

Yamaha XVS650A Manual de usuario

Yamaha

Yamaha YZF-R6T(C) Manual

Ducati

Ducati 748 monoposto strada Manual de usuario

ATK

ATK 1988 250 Manual de usuario

Excelsior-HENDERSON

Excelsior-HENDERSON 1999 HCX Manual de usuario

Tecnico cb250 Manual de usuario

Manuales populares de Motocicleta de otras marcas