Fantic XX 125 User manual

manuale di uso e manutenzione
en
READ THIS MANUALE CAREFULLY BEFORE OPERATING THIS VEHICLE
CODE 10288005

Introduction
USE AND MAINTENANCE MANUAL
INTRODUCTION2-Strokes - Edition 01 / 2023
1
FANTIC WANTS TO THANK YOU
for choosing one of its products.
We recommend that you read this manual before driving your vehicle. It contains information, advice and warnings on the vehicle
maintenance and use. The instructions in this manual have been prepared to give you a simple and clear guide for use. We are sure
that taking it into consideration you will gain confidence with your new vehicle, which you can use for a long time and with full
satisfaction.
MANUFACTURER DATA AND EDITION
Fantic Motor
Via Tarantelli, 7
31030 - Dosson di Casier (TV) Italy
Tel. [phone]
Fax [phone]
E-mail: [e-mail]
www.fantic.com
Edition: 01/2023.
Code: 10288005.

13 MotoreIntroduction
USE AND MAINTENANCE MANUAL
INTRODUCTION2-Strokes - Edition 01 / 2023
2
Introduction
This manual was prepared by Fantic Motor for use by Fantic Motor dealers and their specialized personnel. It is assumed that
those who use this documentation for repair and maintenance of Fantic Motor vehicles have a basic knowledge of the principles
and mechanical procedures regarding vehicle repair techniques. In the absence of these notions, repair or maintenance may be
inadequate or dangerous.
Fantic Motor is constantly committed in improving its production. Any significant modifications and changes introduced with regard
to vehicle characteristics and repair procedures will be brought to the attention of all Fantic Motor dealers and will be published in
future editions of the manual.
Fantic Motor reserves the right to modify and make changes, at any time and without notice, to the models described,
specifications and design data, guaranteeing the essential characteristics described and illustrated in this manual.
Operators have the obligation to read the manual and to scrupulously follow the instructions given. The manufacturer
is not responsible for damages caused to people and/or things and is not responsible for damages to the product, if the
instructions given in this manual are not observed.
This publication, or part of it, cannot be reduced or translated without the Fantic Motor’s approval. Reproduction of the
contents used in this manual without the Manufacturer’s permission is prohibited. Fantic Motor assumes no responsibility
for printing errors and omissions. All rights reserved.

INDEX
USE AND MAINTENANCE MANUAL
2-Strokes - Edition 01 / 2023
3
1. General information ...............................................................................................................................8
1.1 Warnings .......................................................................................................................................................8
1.2 Symbols used in the manual ..................................................................................................................... 10
1.3 Behaviour and driving ............................................................................................................................... 11
Vehicle use .................................................................................................................................................. 11
Getting on ................................................................................................................................................... 11
Getting off ................................................................................................................................................... 11
1.4 Frame number ............................................................................................................................................ 12
1.5 Engine number ........................................................................................................................................... 12
1.6 Location of important labels ..................................................................................................................... 13
1.7 Vehicle component location ..................................................................................................................... 15
Handlebar components (XX 125 version) ................................................................................................. 15
Right and left side components (XX 125 version) .................................................................................... 16
Handlebar components (XE 125 version) ................................................................................................. 17
Right and left side components (XE 125 version) .................................................................................... 18
Handlebar components (XX 250 version) ................................................................................................. 19
Right and left side components (XX 250 version) ....................................................................................20
1.8 Technical data ............................................................................................................................................ 21
Technical data (XX 125 / XE 125 versions) ................................................................................................. 21
Technical data (XX 250 version) ................................................................................................................ 24
1.9 Tightening torques .....................................................................................................................................26
Tightening torque tables (XX 125 and XE 125 versions) ..........................................................................26
Tightening torque tables (XX 250 version) ...............................................................................................30
1.10 Maintenance limits ...................................................................................................................................34
Engine (XX 125 and XE 125 versions) ........................................................................................................34
Engine (XX 250 version) .............................................................................................................................36
Chassis (XX 125 and XE 125 versions) .......................................................................................................38
Chassis (XX 250 version) ............................................................................................................................ 41
Electrical (XX 125 and XE 125 versions) ....................................................................................................43
Electrical (XX 250 version) .........................................................................................................................43
1.11 Electrical system diagram ........................................................................................................................44
Cables colour coding ................................................................................................................................. 44
Key to the wiring diagram components (XX 125 version) .......................................................................45
Wiring diagram (XX 125 version) ...............................................................................................................46
Key to the wiring diagram components (XE 125 version) .......................................................................47
Wiring diagram (XE 125 version) ............................................................................................................... 48
Key to the wiring diagram components (XX 250 version) ....................................................................... 50
Wiring diagram (XX 250 version) ............................................................................................................... 51
1.12 Lamps (XE 125 version only) ....................................................................................................................52
1.13 Fuses (XE 125 version only) ...................................................................................................................... 52
1.14 Recommended lubricants and liquids ...................................................................................................53
1.15 Maintenance intervals ..............................................................................................................................54
Maintenance table (XX 125 version) ..........................................................................................................54
Maintenance table (XE 125 “Racing” versions) ........................................................................................57
Maintenance table (XE 125 “amateur” version) .......................................................................................60
Maintenance table (XX 250 version) .........................................................................................................62

INDEX
USE AND MAINTENANCE MANUAL
2-Strokes - Edition 01 / 2023
4
2. Use of the vehicle ................................................................................................................................. 66
2.1 Pre-operation inspection and maintenance ............................................................................................66
2.2 Running in .................................................................................................................................................. 66
2.3 Refuelling ....................................................................................................................................................67
2.4 Starting the engine ....................................................................................................................................67
Starting a cold engine ................................................................................................................................ 67
Starting a warm engine ............................................................................................................................. 67
2.5 Stop the engine .......................................................................................................................................... 68
2.6 Main components ......................................................................................................................................68
Engine stop switch (XX 125 / XX 250 versions) ......................................................................................... 68
Engine stop switch (XE 125 version) .........................................................................................................68
Clutch lever ................................................................................................................................................69
Shift pedal (XX 125 / XE 125 versions) .......................................................................................................69
Shift pedal (XX 250 version) .......................................................................................................................69
Kickstarter lever .........................................................................................................................................69
Throttle grip ............................................................................................................................................... 70
Engine mapping selection “Switch” (XX 125 / XX 250 versions) .............................................................70
Front brake lever ........................................................................................................................................70
Rear brake pedal ........................................................................................................................................ 70
Fuel cock (XX 125 / XX 250 versions) ......................................................................................................... 71
Fuel cock (XE 125 version) ......................................................................................................................... 71
Starter knob (choke) .................................................................................................................................. 71
Sidestand (only for XE 125 version) .......................................................................................................... 71
Locking device (only for XE 125 version) ..................................................................................................72
2.7 Dashboard (only XE 125 version) ..............................................................................................................73
Instruction of function ............................................................................................................................... 73
Battery replacement .................................................................................................................................. 74
Switch Function Instructions ....................................................................................................................74
Setting Mode .............................................................................................................................................. 77
The tire circumference and sensing point setting ...................................................................................77
Sensing point setting .................................................................................................................................78
The clock (hour) setting ............................................................................................................................. 78
The clock (minute) setting ........................................................................................................................78
Stop watch Setup ....................................................................................................................................... 79
Maintenance Oil Light Setting ................................................................................................................... 80
Backlight brightness ..................................................................................................................................80
3. Adjustments .........................................................................................................................................82
3.1 Brakes ..........................................................................................................................................................82
Front brake adjustment .............................................................................................................................82
Rear brake adjustment ..............................................................................................................................82
3.2 Clutch ..........................................................................................................................................................83
Adjusting the clutch lever position ........................................................................................................... 83
Adjusting the clutch lever clearance ........................................................................................................83
3.3 Throttle control ..........................................................................................................................................84
Adjusting the throttle grip clearance ........................................................................................................84
3.4 idling speed Adjustment ............................................................................................................................ 85
XX 125 and XE 125 Versions ....................................................................................................................... 85

INDEX
USE AND MAINTENANCE MANUAL
2-Strokes - Edition 01 / 2023
5
XX 250 Version ............................................................................................................................................85
3.5 Handlebar adjustment ..............................................................................................................................86
Handlebar installation and adjustment ...................................................................................................86
3.6 Rear-view mirrors (only for XE 125 version) .............................................................................................87
Rear-view mirror adjustment .................................................................................................................... 87
3.7 Carburation ................................................................................................................................................87
Carburetor setting ......................................................................................................................................87
Test run .......................................................................................................................................................88
Effect of setting parts in relation to throttle valve opening (XE 125 version) ........................................89
Standard carburation setting (XE 125 version with “Racing” configuration) ........................................89
Standard carburation setting (XE 125 approved version) .......................................................................89
Effect of setting parts in relation to throttle valve opening (XX 125 / XX 250 versions) ........................90
Standard carburation setting (XX 125 version) ........................................................................................90
Standard carburation setting (XX 250 version) ........................................................................................90
Adjusting the main jet ............................................................................................................................... 91
Adjusting the Power Jet (XX 125 / XX 250 versions) ................................................................................. 91
Adjusting the pilot air screw ..................................................................................................................... 91
Adjusting the pilot jet ................................................................................................................................ 91
Adjusting the jet needle groove position .................................................................................................92
Jet needle adjustment (XE 125 version) ...................................................................................................92
Relationship with throttle opening (XE 125 version) ...............................................................................93
Carburetor setting parts (XE 125 version) ................................................................................................93
Jet needle adjustment (XX 250 version) ...................................................................................................95
Relationship with throttle opening (XX 250 version) ...............................................................................95
Carburetor setting parts (XX 250 version) ................................................................................................ 96
Jet needle adjustment (XX 125 version) ...................................................................................................97
Relationship with throttle opening (XX 125 version) ...............................................................................97
Carburetor setting parts (XX 125 version) ................................................................................................ 98
Examples of carburetor setting depending on symptom ..................................................................... 100
3.8 Fork adjustment ....................................................................................................................................... 102
Rebound damping adjustment (return) ................................................................................................. 102
Compression damping adjustment ....................................................................................................... 102
Relieving the front fork internal pressure .............................................................................................. 103
3.9 Rear shock absorber adjustment ........................................................................................................... 104
Rebound damping adjustment (return) ................................................................................................. 104
Compression damping adjustment (low speed) ................................................................................... 104
Compression damping adjustment (high speed) ................................................................................. 105
3.10 Setting the SAG ....................................................................................................................................... 105
Rear shock absorber sinking adjustment (SAG) (XE 125 version) ........................................................ 105
Rear shock absorber sinking adjustment (SAG) (XX 125 / XX 250 version) .......................................... 106
3.11 Chain tension .......................................................................................................................................... 108
Chain tension check ................................................................................................................................ 108
Chain tension adjustment ....................................................................................................................... 108
4. Maintenance ....................................................................................................................................... 110
4.1 Trasmission oil .......................................................................................................................................... 110
Checking the transmission oil level ........................................................................................................ 110
Changing the transmission oil ................................................................................................................ 111

INDEX
USE AND MAINTENANCE MANUAL
2-Strokes - Edition 01 / 2023
6
4.2 Coolant ..................................................................................................................................................... 112
Checking the coolant level ...................................................................................................................... 112
Coolant replacement ............................................................................................................................... 112
4.3 Air filter ..................................................................................................................................................... 113
4.4 Spark plug ................................................................................................................................................. 115
4.5 Head, cylinder, piston and exhaust valve ............................................................................................... 115
Parts removal (XX 250 version) ................................................................................................................ 115
Parts removal (XX 125 / XE 125 versions) ................................................................................................ 117
Head check ............................................................................................................................................... 118
Cylinder check .......................................................................................................................................... 119
Piston check ............................................................................................................................................. 119
Piston and cylinder combination ........................................................................................................... 120
Checking the piston and cylinder combination .................................................................................... 120
Segments check (XX 250 version) ........................................................................................................... 121
Segments check (XX 125 / XE 125 versions) ........................................................................................... 121
Exhaust valve check (XX 250 version) ..................................................................................................... 122
Exhaust valve check (XX 125 / XE 125 versions) ..................................................................................... 122
Installation of the piston ......................................................................................................................... 123
Exhaust valve installation (XX 250 version) ............................................................................................ 124
Exhaust valve installation (XX 125 / XE 125 versions) ............................................................................ 126
Cylinder installation (XX 250 version) ..................................................................................................... 127
Cylinder installation (XX 125 / XE 125 versions) ..................................................................................... 128
Head installation ...................................................................................................................................... 129
4.6 Clutch ........................................................................................................................................................ 130
Clutch removal ......................................................................................................................................... 130
Check the clutch elements ...................................................................................................................... 132
Clutch installation .................................................................................................................................... 133
4.7 Steering play control and adjustment .................................................................................................... 137
Steering play control ............................................................................................................................... 137
Steering play adjustment ........................................................................................................................ 137
4.8 Fork ........................................................................................................................................................... 138
4.9 Shock absorber ........................................................................................................................................ 138
4.10 Wheels ..................................................................................................................................................... 139
Spokes check and tightening .................................................................................................................. 139
Wheel check ............................................................................................................................................. 139
4.11 Brake pads .............................................................................................................................................. 140
Replace the front brake pads .................................................................................................................. 140
Replace the rear brake pads .................................................................................................................... 141
4.12 Brake fluid ............................................................................................................................................... 143
Check the front brake fluid level ............................................................................................................. 143
Check the rear brake fluid level .............................................................................................................. 143
4.13 Tyres ........................................................................................................................................................ 144
4.14 Chain, crown and sprocket .................................................................................................................... 144
Chain check .............................................................................................................................................. 144
Pinion and crown check .......................................................................................................................... 144
4.15 Cleaning and vehicle storage ................................................................................................................ 145
4.16 Long time vehicle inactivity .................................................................................................................. 145

INDEX
USE AND MAINTENANCE MANUAL
2-Strokes - Edition 01 / 2023
7
5. Warranty and service ......................................................................................................................... 146
Introduction .................................................................................................................................................... 146
Fantic 24-month commercial warranty ........................................................................................................ 146
1. Warranty content ................................................................................................................................. 146
2. Effectiveness ......................................................................................................................................... 147
3. Exclusions ............................................................................................................................................. 147
4. Disputes ................................................................................................................................................ 147
FANTIC 3-MONTH OFF-ROAD COMMERCIAL WARRANTY ............................................................................. 147
5. Warranty content ................................................................................................................................. 147
6. Effectiveness ......................................................................................................................................... 148
7. Exclusions ............................................................................................................................................. 148
8. Disputes ................................................................................................................................................ 148
Intervention request ................................................................................................................................ 148
Warranty data .................................................................................................................................................. 150
Service ............................................................................................................................................................. 151

13 Motore1. General information1. General information
USE AND MAINTENANCE MANUAL CHAPTER 1
GENERAL INFORMATION2-Strokes - Edition 01 / 2023
8
1.1 WARNINGS
Carbon monoxide
The exhaust fumes contain carbon monoxide, a poisonous gas that can cause death. Therefore, for certain operations,
make sure you are in an open space, or in a suitable and well-ventilated room, never in enclosed spaces. If operating in
enclosed spaces, use an evacuation system for the exhaust fumes.
Fuel
The fuel used is extremely flammable and can become explosive under certain conditions. Refuelling and maintenance
operations must be carried out in a ventilated area and with the vehicle switched off. Do not smoke during refuelling and
near fuel vapours; avoid contact with open flames, sparks and any other source that could cause ignition or explosion.
Do not disperse in the environment and keep away from children.
Hot components
The engine and certain components become very hot and remain hot for a while even when the engine is off. Before
carrying out any operation near the engine or exhaust system, wear insulating gloves or wait for their cooling.
Used engine and gearbox oil
Used engine and gearbox oil is harmful to health, whether it is inhaled or swallowed. It is also irritating and can cause
serious consequences if it comes into contact with the skin.
Spreading and dispersion into the environment is prohibited.
If swallowed, do not induce vomiting, but go urgently to a first aid centre, indicating the cause and how the accident
occurred.
In case of contact with the skin, immediately wash the affected part with soap and water, repeating the operation until
the affected part is free from residues.
In case of contact with eyes and ears, immediately rinse the affected parts with plenty of water and urgently go to a first
aid center, indicating the cause and how the accident occurred.
In case of contact with clothing, undress and wash thoroughly with soap and water. Change the dirty cloths which must
be specifically washes as soon as possible.
Always use gloves suitable to protect your hands during the maintenance operations.
Keep out of the reach of children.
Used engine and gearbox oil must be collected in a sealed container, and delivered to the nearest service station or at a
waste oil collection centre where you will find personnel authorized to dispose of it.
Brakes
Brake fluid may damage the vehicle painted, plastic or rubber surfaces. Protect these components with a clean rag when
performing certain operations.
Always wear protective glasses and in case of accidental contact of the brake fluid with eyes, rinse immediately with
plenty of clean, fresh water and consult a doctor immediately. Keep out of the reach of children.
Clean the brake pads in a ventilated environment, directing the compressed air jet so as not to inhale the dust produced
by the wear of the friction material. Although the latter does not contain asbestos, inhaling dust is however harmful.
Electrolyte and hydrogen gas from the battery
The electrolyte of the battery is toxic and caustic. In contact with skin it can cause burns, as it contains sulphuric acid.
Wear gloves and protective clothing.
If the electrolyte liquid comes into contact with the skin, wash it thoroughly with fresh water.
Protect your eyes, as battery fluid can cause blindness. If it comes into contact with the eyes, wash thoroughly with
water for fifteen minutes and promptly contact an eye specialist.

1. General information
USE AND MAINTENANCE MANUAL CHAPTER 1
GENERAL INFORMATION2-Strokes - Edition 01 / 2023
9
1
The battery emits explosive gases, it is advisable to keep away flames, sparks and any other source of heat. Provide
adequate ventilation when servicing or recharging the battery.
Keep out of the reach of children.
The battery fluid is corrosive. Do not pour it or spread it, especially on plastic parts.
Provide for regular disposal.
Coolant
Under certain conditions, the ethylene glycol present in the engine coolant is combustible and its flame is not visible. If
ethylene glycol is ignited, its flame is not visible but it is able to cause serious burns.
Avoid pouring engine coolant to the exhaust system or on engine parts. These parts may be hot enough to ignite the
liquid which then burns without visible flames. Coolant (ethylene glycol) can cause skin irritation and is poisonous if
swallowed. Keep out of the reach of children. Do not remove the radiator cap when the engine is still hot. Coolant is
under pressure and may cause burns.
Keep hands and clothes away from the cooling fan as it starts automatically.
Precautions and general warnings
The clothing of the operator performing the repair operations must be adequate to avoid the risk of injury when working
on moving parts (for example, too wide clothes that can get caught).
Do not wear personal items (e.g. rings, wristwatches, etc.) while performing repairs on the vehicle, and in particular on
the electrical system.
Keep the work area tidy, to avoid that elements left on the ground interfere with the repair operations.
Clean the floors of the working areas from oil, grease or other residual fluids, to avoid slipping.
Perform compression or decompression operations on the springs, using only suitable tools to prevent the operations
from causing damage to the operator.
Avoid inhalation of vapours from cleaning fluids: they can be highly toxic. Make sure the work area is properly ventilated.
Use suitable cleaning products for each operation, making sure that they are approved.
Wear eye protection when using electrical tools such as drills, grinders or milling machines.