KYMCO 125 AGILITY CITY Manuale utente

AGILITY CITY 125

PREFACE

This Service Manual describes the

technical features and servicing

procedures for the KYMCO AGILITY

CITY 125

Section 1 contains the precautions for all

operations stated in this manual. Read

them carefully before starting any

operation.

Section 2 is the removal/installation

procedures for the frame covers which

are subject to higher removal/installation

frequency during maintenance and

servicing operations.

Section 3 describes the inspection/

adjustment procedures, safety rules and

service information for each part, starting

from periodic maintenance.

Sections 6 through 17 give instructions

for disassembly, assembly and inspection

of engine, chassis frame and electrical

equipment.

Most sections start with an assembly or

system illustration and troubleshooting

for the section. The subsequent pages

give detailed procedures for the section.

KWANG YANG MOTOR CO., LTD.

OVERSEAS SALES DEPARTMENT

OVERSEAS SERVICE SECTION

TABLE OF CONTENTS

GENERAL INFORMATION 1

FRAME COVERS/EXHAUST MUFFLER 2

INSPECTION/ADJUSTMENT 3

LUBRICATION SYSTEM 4

FUEL SYSTEM 5

ENGINE REMOVAL/INSTALLATION 6

CYLINDER HEAD/VALVES 7

CYLINDER/PISTON 8

ENGINE

DRIVE AND DRIVEN PULLEYS/KIC

K

STARTER

9

FINAL REDUCTION 10

CRANKCASE/CRANKSHAFT 11

FRONT WHEEL/FRONT BRAKE/

FRONT SUSPENSION

12

CHASSIS

REAR WHEEL /REAR BRAKE /REAR

SUSPENSION

13

BATTERY/CHARGING SYSTEM/A.C.

GENERATOR

14

IGNITION SYSTEM 15

STARTING SYSTEM 16

LIGHTS/INSTRUMENTS/SWITCHES 17

ELECTRICAL

EQUIPMEN

T

EXHAUST EMISSION CONTROL

SYSTEM

Our company reserves the right to make

any alteration in the design The

information and contents included in

this manual may be different from the

motorcycle in case specifications are

changed.

18

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1. GENERAL INFORMATION

1-1

AGILITY CITY 125

Location of Engine Serial Numbe

r

Frame Serial Numbe

r

1

ENGINE SERIAL NUMBER

1

ENGINE SERIAL NUMBER...................1- 1 LUBRICATION POINTS .......................1-13

SPECIFICATIONS ...................................1- 2 CABLE & HARNESS ROUTING............1-15

SERVICE PRECAUTIONS......................1- 3 WIRING DIAGRAM................................1-20

TORQUE VALUES..................................1-11 TROUBLESHOOTUNG ..........................1-21

SPECIAL TOOLS.....................................1-12

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1. GENERAL INFORMATION

1-2

AGILITY CITY 125

SPECIFICATIONS

Motorcycle Name & Type AGILITY CITY 125

Name & Model No. LFC3

Overall length (mm) 2040

Overall width (mm) 740

Overall height (mm) 1240

Wheel base (mm) 1340

Engine type O.H.C.

Displacement 125cc

Fuel Used 92# nonleaded gasoline

Front wheel 44

Net weight (kg) Rear wheel 56

Total 110

Front wheel 45

Gross weight(kg) Rear wheel 67

Total 144

Front wheel 100/80 -16 56J

Tires

Rear wheel 120/80 -16 56J

Ground clearance (mm) 112

Perform-

Braking distance (m)

7 (Initial speed

30km/h)

ance

Min. turning radius (m) 1.99

Starting system

Starting motor &

kick starter

Type Gasoline, 4-stroke

Cylinder arrangement Single cylinder

Combustion chamber type Semi-sphere

Valve arrangement O.H.C.

Bore x stroke (mm) I52.4 x 57.8

Compression ratio 9.6 0.2

Compression pressure

(kg/cm²-rpm)

13 2

Max. output 6.9/7500kw/(r/min)

Max. torque 9.1/6500N.m/rpm

Open -2.5q

Port

Intake

Close

32q

Engine

timin

g

Open -3q

Exhaust

Close

33q

Valve clearance

Intake 0.12

(cold) (mm)

Exhaust 0.12

Idle speed (rpm) 1700Ô100rpm

Lubrication type

Forced pressure &

wet sump

Oil pump type Inner/outer rotor type

Oil filter type Full-flow filtration

Lubrication

System

Oil capacity 0.9 liter

Cooling Type Forced air cooling

Air cleaner type & No Paper element, wet

Fuel capacity 6.0 liter

Type CVK

Piston dia. (mm) I22

Venturi dia.(mm) I26equivalent

Carburetor

Throttle type Butterfly type

Type CDI

Ignition timing BTDC27q 2 /4000rpm

Contact breaker Non-contact point type

Spark plug

CHAMP ION-P-

RZ9HC

NGK CR7HSA

Spark plug gap 0.6Д0.7mm

Battery Capacity 12V7AH

Clutch Type Dry multi-disc clutch

Type Non-stage transmission

Operation

Automatic centrifugal

type

Type Two-stage reduction

Reduction 1st

1.0-2.8

ratio

2nd

46/16*46/15

Front Caster angle 27q

Axle

Trail length 

Tire

p

ressure

Fron

t

1.75

(kg/cm²)

Rear 2.25

Turning Left 45q

angle

Right 45q

Fron

t

DISK (180mm) brake

Brake system

type

Rear Drum (110mm) brake

Fron

t

TELESCOPE

Suspension type

Rear Unit Swing

Front 80

Shock absorber

distance

Rear

82

Frame type Under Bone

Fuel S

y

stem

Electrical Equipment

I

g

nition S

y

stem

Power Drive System

Transmis-

sion Gear

Reduction

Gear

Moving Device

Damping

Device

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1. GENERAL INFORMATION

1-3

AGILITY CITY 125

SERVICE PRECAUTIONS

Make sure to install new gaskets, O-rings,

circlips, cotter pins, etc. when

reassembling.

When tightening bolts or nuts, begin with

larger-diameter to smaller ones at several

times, and tighten to the specified torque

diagonally.

Use genuine parts and lubricants

.

When servicing the motorcycle, be sure to

use special tools for removal and

installation.

After disassembly, clean removed parts.

Lubricate sliding surfaces with engine oil

before reassembly.

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1. GENERAL INFORMATION

1-4

AGILITY CITY 125

Apply or add designated greases and

lubricants to the specified lubrication

points.

After reassembly, check all parts for proper

tightening and operation.

When two persons work together, pay

attention to the mutual working safety.

Disconnect the battery negative (-) terminal

before operation.

When using a spanner or other tools, make

sure not to damage the motorcycle surface.

After operation, check all connecting

points, fasteners, and lines for proper

connection and installation.

When connecting the battery, the positive

(+) terminal must be connected first.

After connection, apply grease to the

battery terminals.

Terminal caps shall be installed securely.

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1. GENERAL INFORMATION

1-5

AGILITY CITY 125

If the fuse is burned out, find the cause and

repair it. Replace it with a new one

according to the specified capacity.

After operation, terminal caps shall be

installed securely.

When taking out the connector, the lock on

the connector shall be released before

operation.

Hold the connector body when connecting

or disconnecting it.

Do not pull the connector wire.

Check if any connector terminal is bending,

protruding or loose.

Confir

m

Capacity

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1. GENERAL INFORMATION

1-6

AGILITY CITY 125

The connector shall be inserted

completely.

If the double connector has a lock, lock

it at the correct position.

Check if there is any loose wire.

Before connecting a terminal, check for

damaged terminal cover or loose

negative terminal.

Check the double connector cover for

proper coverage and installation.

Insert the terminal completely.

Check the terminal cover for proper

coverage.

Do not make the terminal cover opening

face up.

Secure wire harnesses to the frame with

their respective wire bands at the

designated locations.

Tighten the bands so that only the insulated

surfaces contact the wire harnesses.

Sna

pp

in

g

!

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1. GENERAL INFORMATION

1-7

AGILITY CITY 125

After clamping, check each wire to make

sure it is secure.

.

Do not squeeze wires against the weld or

its clamp

After clamping, check each harness to

make sure that it is not interfering with any

moving or sliding parts.

When fixing the wire harnesses, do not

make it contact the parts which will

generate high heat.

Route wire harnesses to avoid sharp edges

or corners. Avoid the projected ends of

bolts and screws.

Route wire harnesses passing through the

side of bolts and screws. Avoid the

projected ends of bolts and screws.

N

o Contact !

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1. GENERAL INFORMATION

1-8

AGILITY CITY 125

Route harnesses so they are neither

pulled tight nor have excessive slack.

.

Protect wires and harnesses with electrical

tape or tube if they contact a sharp edge or

corner

When rubber protecting cover is used to

protect the wire harnesses, it shall be

installed securely.

Do not break the sheath of wire.

If a wire or harness is with a broken sheath,

repair by wrapping it with protective tape

or replace it.

When installing other parts, do not press or

squeeze the wires.

Do not pull

too ti

g

ht!

Do not press o

r

s

q

ueeze the wire.

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1. GENERAL INFORMATION

1-9

AGILITY CITY 125

After routing, check that the wire harnesses

are not twisted or kinked.

Wire harnesses routed along with

handlebar should not be pulled tight, have

excessive slack or interfere with adjacent

or surrounding parts in all steering

positions.

When a testing device is used, make sure to

understand the operating methods

thoroughly and operate according to the

operating instructions.

Be careful not to drop any parts.

When rust is found on a terminal, remove

the rust with sand paper or equivalent

before connecting.

Do not bend or twist control cables.

Damaged control cables will not operate

smoothly and may stick or bind.

Do you understand

the instrument? Is

the instrument set

correctly?

Remove Rust !

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1. GENERAL INFORMATION

1-10

AGILITY CITY 125

Symbols:

The following symbols represent the

servicing methods and cautions included in

this service manual.

: Apply engine oil to the

specified points. (Use

designated engine oil for

lubrication.)

: Apply grease for lubrication.

: Transmission Gear Oil (90#)

: Use special tool.

: Caution

: Warning

(

Ö

12-3) :Refer to page 12-3.

Engine Oil

Grease

Gear Oil

Special

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1. GENERAL INFORMATION

1-11

AGILITY CITY 125

TORQUE VALUES

STANDARD TORQUE VALUES

Ite

m

Tor

q

ue

(

k

g

-m

)

Ite

m

Tor

q

ue

(

k

g

-m

)

5mm bolt, nut

6mm bolt, nut

8mm bolt, nut

10mm bolt, nut

12mm bolt, nut

0.45-0.6

0.6-1.2

1.8-2.5

3.0-4.0

5.0-6.0

5mm screw

6mm screw, SH bolt

6mm flange bolt, nut

8mm flange bolt, nut

10mm flange bolt, nut

0.35-0.5

0.7-1.1

1.0-1.4

2.4-3.0

3.5-4.5

Torque specifications listed below are for important fasteners.

ENGINE

Item Q‘ty Thread dia.(mm) Torque (kg-m) Remarks

Cylinder head bolt A

Cylinder head bolt B

Oil filter screen cap

Exhaust muffler lock bolt

Cylinder head flange nut

Valve adjusting lock nut

Cam chain tensioner slipper bolt

Oil bolt

Clutch outer nut

Clutch drive plate nut

Starter motor mounting bolt

Oil pump bolt

Drive face nut

Spark plug

A.C. generator stator bolt

Cam chain tensioner bolt

2

4

1

2

4

2

1

2

3

1

2

1

6

30

6

7

3

8

10

28

6

4

10

6

0.7-1.1

1.0-2.0

0.7-1.1

1.2-1.6

0.07-0.09

0.4-0.7

1.1-1.5

3.5-4.5

5.0-6.0

0.8-1.2

0.1-0.3

5.5-6.5

1.0-1.4

0.8-1.2

Double end bolt

Apply oil to

threads

FRAME

Item Q‘ty Thread dia.(mm) Torque (kg-m) Remarks

Steering stem lock nut

Front axle nut

Rear axle nut

Rear shock absorber upper bolt

Rear shock absorber lower bolt

Speedometer cable set screw

Rear shock absorber lock nut

1

25.4

10

14

10

8

5

8

8.0-12.0

5.0-7.0

11.0-13.0

4.0-5.0

2.0-3.0

0.45-0.6

3.0-3.6

U-nut

Apply locking agent

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1. GENERAL INFORMATION

1-12

AGILITY CITY 125

SPECIAL TOOLS

Tool Name Tool No. Remarks Ref. Page

10-3

10-4Bearing puller 10.12.15.18 mm E037 10.12.15.18mm bearing

12-6

Bushing remover L E032 11102 bush engine hanger rubber

Bushing remover S EO19 11203 bush rear cushion under rubber

Crankshaft bearing puller E030 91005 radial bearing

Crankshaft protector E029 13000 crankshaft comp 12mm.14mm

Clutch spring compressor E027 2301a driven pully assy

9-9

9-12

Cushion assemble & disassemble

tool

F004 52400 cushion assy 13-4

Flywheel holder E017

31110 fl

y

wheel com

p

.2310a

p

ull

y

ass

y

driven

9-5

9-9

9-13

14-7

14-9

Flywheel puller E002 Left hand thread 27mm

14-7

Long socket wrench 32mm 8angle F002 50306 steering stem

12-21

12-22

Oil seal & bearing installer E014 Oil seal & bearing install

Tool boox E033 Special tools storage

Tappet adjuster E036 90012 screw tappet 3-5

7-7

Valve spring compressor E038 Valve spring

7-8

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1. GENERAL INFORMATION

1-13

AGILITY CITY 125

LUBRICATION POINTS

ENGINE

Lubrication Points Lubricant

Valve guide/valve stem movable part

Cam lobes

Valve rocker arm friction surface

Cam chain

Cylinder lock bolt and nut

Piston surroundings and piston ring grooves

Piston pin surroundings

Cylinder inside wall

Connecting rod/piston pin hole

Connecting rod big end

Crankshaft R/L side oil seal

Starter reduction gear engaging part

Countershaft gear engaging part

Final gear engaging part

Bearing movable part

O-ring face

Oil seal lip

xGenuine KYMCO Engine Oil (SAE15W-40)

xAPISG Engine Oil

Starter idle gear

Friction spring movable part/shaft movable part

Shaft movable grooved part

Kick starter spindle movable part

High-temperature resistant grease

A.C. generator connector

Transmission case breather tube

Adhesive

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1. GENERAL INFORMATION

1-14

AGILITY CITY 125

FRAME

The following is the lubrication points for the frame.

Use general purpose grease for parts not listed.

Apply clean engine oil or grease to cables and movable parts not specified.

This will avoid abnormal noise and rise the durability of the motorcycle.

Rear Wheel Bearings

Main Stand Pivot

Speedometer Gear/ Front Wheel

Bearings/ Brake Cam/ Anchor Pin

/Front Shock Absorber Lower

Mount Bushings/Pivot

Grease

Engine Oil

Rear Brake Cable

Brake Cam

/

Anchor Pin

Grease

Front Brake Leve

r

Pivot

Front Brake Cable

/

Speedometer Cable/

Throttle Cable

Engine/ Oil

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1. GENERAL INFORMATION

1-15

AGILITY CITY 125

CABLE & HARNESS ROUTING

Front Stop Switch Wire

Rear Stop Switch Wire

Throttle Cable

Rear Brake Cable

Speedometer Cable

Horn

Ignition Switch

Winke

r

Front Brake Fluid Tube

Brake Master Cylinde

r

Speedomete

r

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1. GENERAL INFORMATION

1-16

AGILITY CITY 125

Regulator/Rectifie

r

Speedometer Cable

Ignition Switch

Throttle Grip

Rear Brake Leve

r

Front Brake Fluid Tube

Headlight Resisto

r

Horn

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1. GENERAL INFORMATION

1-17

AGILITY CITY 125

Starter Relay

Fuse

Battery (+) Cable

Battery (-) Cable

CDI Unit

Fuel Tan

k

Ignition Coil

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1. GENERAL INFORMATION

1-18

AGILITY CITY 125

Throttle Cable

Carbureto

r

Overflow Tube

Fuel Tube

Crankcase Breathe

r

Tube

Ignition Coil

Primary Wire

Fuel Filte

r

Auto Cock Assy Fuel

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1. GENERAL INFORMATION

1-19

AGILITY CITY 125

Fuel Tube

Vacuum Tube

Auto Bystarte

r

Crankcase Breathe

r

Tube

Wire

Crankcase Breathe

r

Tube

Throttle Cable

Vacuum Tube

Fuel Unit

Reed Valve

Secondary Ai

r

Inlet Tube

Air Injection

Cut-off

Valve

Ignition Coil

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