YCF PILOT F125 User manual

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WARNING
This mini motorcycle not being licensed for use on the public highway, please note that it is
forbidden and dangerous to use it in this perspective. Elements normally associated with
security necessary for use on public roads (left & right turn indicators, tires…) as well as
registration are not part of this mini otorcycle’s features because it was not manufactured
for this purpose. This mini motorcycle is not intended to be operated at night and is meant for
recreational use or for use in competitions. It should be used on special and certified tracks
only, away from public paths.
The use of this mini motorcycle implies full acceptance of all notices, warnings and safety instructions as indicated in
the Owner’s anual and portrayed by the safety sticker on the mudguard.
The importer and the retailer are not responsible for any inaccuracies in this Owner’s anual nor non maintenance or
misuse of this mini motorcycle, including off-road use in particular.
This vehicle meets CE standards. During the purchase of your machine a certificate of compliance was supplied to you,
it is to be stored with care.

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INTRODUCTION
We wish to thank you for your preference on purchasing your new YCF mini motorcycle. Before riding, please read this
entire Owner’s anual carefully to acquaint the main characteristics and get the best results out of your mini
motorcycle in terms of safety. This manual has to be used to maintain and use all the YCF bikes except the electric
one which has its own manual.
Off-road riding, although an exciting pastime, can also be dangerous, so please follow the techniques and instructions
provided in this Owner’s anual.
It is essential that you adhere strictly to the instructions mentioned therein for your own safety as well as that of
others.

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TABLE OF CONTENT
ARNING 1
INTRODUCTION 2
SECTION I – GENERAL INFORMATION 4
I.1 Safety information 5
I.3 Quick start 10
KEY CO PONENTS 10
PREPARING TO RIDE 19
SECTION II – MAINTENANCE & OVERHAUL 27
II.1 aintenance program 27
AINTENANCE PLANNING 30
II.2 ain parts specifications tables 32
II.3 Torque tables 35
II.3 ain parts adjustments and preventive maintenance 40
II.4 Cleaning 68
SECTION III – TROUBLE-SHOOTING TIPS 69
SECTION IV – MISCELLANEOUS INFORMATION 70
MAINTENANCE LOG BOOK 75

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SECTION I – GENERAL INFORMATION
In order to familiarize yourself with your new mini motorcycle it is imperative that you read the entire Owner’s anual
over carefully prior to operation. This will ensure that you are well aware and conversant with the various controls,
characteristics, location of parts and accessories, working and limits of the mini motorcycle for your safety. The
Owner’s anual is also aimed at providing basic information on some of all the possible techniques, methods and
other helpful tips, including using and stopping your mini motorcycle, for safe riding.
Once you are familiar with these instructions, you will be able to explain other drivers that you know how to use all its
features and possibilities.
This Owner’s anual has been prepared to acquaint you with the rules and regulations and help you have a complete
working knowledge about the mini motorcycle and its parts. With this information, you should be able to understand
and perform basic skills such as riding, transporting and storing your mini motorcycle safely.
YCF is an official oil and lubricants partner of the
motul brand; we strongly recommend using their extensive
range of products for our mini motorcycles.

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I.1 Safety information
Please read the safety guidelines below prior to using your mini motorcycle. Failure to observe the
instructions, precautions or procedures accompanied by this symbol, even in part, raises a distinct
possibility of a serious hazard, which may result in serious injury, or even death.
1. This YCF mini motorcycle is not licensed for use on the public highway, and can be used only on closed and private
tracks or for closed-track races (see your local Highway Code for further guidelines).
2. This mini motorcycle is meant for personal use or for use in competitions
3. The presence of an adult driver is mandatory for use by minors. The mini motorcycle is not intended for children
under the age of 14 unless supervised by a member of an approved sports association (e.g. the otor Sports
Association of Great Britain) within the context of a ini motorcycle apprenticeship, training, competition or
recreation.
4. This ini motorcycle is not intended to be operated at night as not fitted with lighting and light-signaling devices.
5. This ini motorcycle is designed for use by one experienced adult driver only. Do not attempt to carry a
passenger.
6. We do recommend that you are in good physical condition and possess good athletic ability. To ride safely, off-
road drivers need good hand-eye coordination, agility, a sense of balance and good judgments.
7. Always wear protective clothing, including an approved safety helmet fitting correctly to your head size, eye
protection/goggles, elbow/knee/wrist sliders, boots, gloves as well as ear plugs. Never wear loose clothing that
could get caught up in the moving parts.
8. Proper maintenance is crucial to the mini motorcycle’s safety and reliability. Always perform the pre-operation
checks as outlined in this Owner’s anual.
9. Never start the engine in a closed place. Exhaust emissions contain carbon monoxide, a colorless and odorless gas
whose harmful effects can lead to unconsciousness or even death when inhaled. Always turn off the engine
before refueling (beware of overfilling the tank and fuel overspills). Avoid smoking and keep away from flames,
heat sources and sparks.

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10. Do not, under any circumstances, ride your motorcycle after consuming alcohol, drugs or any other substances
likely to cause serious injury or even death.
11. The ini motorcycle owner alone is responsible for his/her safety and should always have a full insurance cover
against damage to property or damages caused to himself/herself or to others
12. Do not remove any safety devices covering the moving parts or the heating system.
13. Consider the high vibration environment when riding your mini motorcycle.

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EIGHT GUIDELINES
Your YCF ini motorcycle is designed for use by one experienced adult driver. Attempting to carry a passenger would
be the likely result of a dangerous situation, with subsequent serious injury.
aximum load capacity: 90 kg (198 lb.)
(Including the weight of the driver and the protective clothing).
Load Capacity Guidelines
We do recommend that you do not carry any objects on this ini motorcycle.
•Never exceed the maximum load value.
•Always check the wear and inflating pressure of both tires before riding.
Warning
Carrying a passenger may cause an accident and you can be seriously hurt or death may result. Do
not carry a passenger or any baggage, as it may cause an accident that can lead to serious injury or
death.

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PARTS AND ACCESSORIES
The use of new accessories or non-genuine accessories can make the vehicle unsafe.
It is essential that you read the following guidelines before you consider applying for modifications or adding additional
accessories.
Accessories
Use only YCF original accessories. If otherwise, the installation of any - unless selected and tested by YCF – non-genuine
accessory makes you responsible in full.
odifications
YCF suggests neither to remove any original device, nor to modify the mini motorcycle in any way that could change its
shape or its working (including its handling, stability and the effectiveness of the braking system). For this reason, any
modifications made to the mini motorcycle (e.g. alteration and/or removal of components) make the warranty null and
void and relieve YCF of all responsibility.
Warning
Altering or using ranges of non-genuine accessories can lead to serious injury or death. Always consult
the Owner’s Manual and obey the suggestions and instructions in the warning, as well as
accompanying text herein.

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SAFETY LABEL
This page contains information about the location of safety labels on your mini motorcycle. Some of the labels warn
you against potential hazards likely to cause serious injury. Others provide important safety information. Please read
these labels carefully and do not remove them under any circumstances.

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I.3 Quick start
KEY COMPONENTS
This section reviews the location of all Controls and Instruments necessary for safe riding on your ini motorcycle.
Please review this section thoroughly to become familiar with it and get tips on how to keep your ini motorcycle
riding experience enjoyable.
•(A) Fuel tap
•(B) Cold start lever (choke lever)
•(C) Kick-starter
•(D) Handlebar position adjustment
•(E) Throttle twist grip
•(F) Front brake lever
•(G) Clutch lever
•(H) Start/Stop switch
•(I) Gear lever
•(J)Rear brake pedal
•(K) Side stand

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KEY COMPONENTS LOCATION (Right front side)
Clutch lever
Front brake cable
Carburetor
Exhaust pipe protection
Front shock absorber (fork)
Intake
Anti-parasite and spark plug
Kick-starter
Oil filler cap
Rear brake caliper
Engine skid plate
Engine drain nut
Front wheel axle
Front brake disk
Rear brake pedal

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KEY COMPONENTS LOCATION (Rear left side)
Start/stop switch
Throttle twist grip
Front brake lever
Fuel tank cap
Steering stem
Seat
Fuel tap
uffler
Rear shock absorber
ud guard
Gear lever
Front brake caliper
Chain
Rear wheel axle

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(A) Fuel tap
This component controls the fuel flow from the fuel tank to the carburetor.
ON
To start the engine, turn the fuel tap lever to the "ON" position to allow fuel to flow.
OFF
When you have finished riding, turn the fuel tap lever to the "OFF" position.
RESERVE
Turning the fuel tap to "RES" allows fuel to flow from the reserve fuel supply to the carburetor.
Reserve fuel: 0.98 L (0.26 U.S Gallons) it is imperative that you fill up the fuel tank as soon as possible to avoid running
out of fuel. Once the fuel tank refilled, turn the fuel tap lever back to the "ON" position.
ON
O
FF
RESERVE

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C
(B) Cold start lever
It is used to facilitate cold
starting by slightly enriching
the fuel-air mixture during
start-up when it is cold.
(C) Kick-starter
Located on the right handlebar, it is the lever in front of the right-hand grip that actually
starts the mini motorcycle. Using your right foot, swivel the kick-starter and press down
while turning the throttle. Press all the way down and let the kick-starter swing back into
its initial position.
Cold s
tarter
lever “OFF”
position
B
B
Cold s
tarter
lever “ON”
position

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(D) Handlebar position adjustment
You have the option to adjust the
handlebar position: front / rear,
according to the rider size.
Installation
Disassemble the handlebar in order to
access to the two BTR screws, you have
now the possibility with the two
threaded holes to move forward or
move back the bar mount and adjust the
handlebar position.

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D
E
(E) Throttle twist grip
It controls the fuel air-mixture supplied to the engine, which regulates
engine speed. To increase engine speed, rotate the throttle twist grip
back towards you slightly using your right hand. To decelerate, rotate
the twist grip forward. Do not release your hands while riding as serious
injury or death may occur. Always keep both hands on the handlebars.
(F) Front brake lever
Located on the right side of the handlebar, it is used to slow or stop
your mini motorcycle. To apply the front brakes, pull the lever down
towards you. Do not pull the lever too hard to avoid accidents.

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F
(G) Clutch lever
The clutch lever is located on the left side of the handlebar. It is used to
engage/disengage the clutch ensuring a smooth change of gears. Press
the hand grip with your left hand each time you want to switch gears.
I PORTANT NOTICE: it is always necessary to use the clutch lever to
change speeds, at the risk of damaging the gearbox.
If your motorcycle is provided with a semi-automatic engine, there will
be no clutch lever as there is it not needed.
(H) Start/stop switch
Located next to the left throttle, the start/stop switch enables and
disables the engine instantly. If you lose traction of the mini motorcycle,
or crash and skid on the side, simply push the button to stop the engine.
G

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J
I
H
(I) Gear lever
It is used to shift gears using your left foot. As most motorbikes, your ini-
otorbikes uses a one down-four up shift pattern, meaning that first gear is
found by pressing the shift lever down with your left foot. Tap the shift lever
upward with your left foot to engage neutral. Only shift into neutral when at a
complete standstill. Pull in the clutch and downshift into first gear.
(J) Rear brake pedal
Using your right foot, press down the pedal to reduce the pace of the
motorcycle according to the situation.
(K) Side stand
It is used to support your mini motorcycle so that it stands straight up while
parked. While still seated on the mini motorcycle, use your left foot to lower
the stand. Release the handlebar grip once your mini motorcycle is secured to
the ground.

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PREPARING TO RIDE
Before using this mini motorcycle for the first time, make sure you are aware of all the characteristics listed in this
Owner’s anual and know how to use the controls on your motorbike, as it requires an adequate level of knowledge.
In addition, it is essential that you are completely familiar with all the safety features, operational instruments and in
general, possess a thorough understanding of how to correctly operate the mini motorcycle.
Failure to observe the indications outlined in this Owner’s anual can lead to accidents, with subsequent serious injury
or even death.
PILOT PROTECTIVE EQUIPMENT
Proper safety gear is integral to your safety when riding a mini motorcycle.
While riding your mini motorcycle, make sure that you wear:
•a properly-fitted and approved helmet
•protective goggles
•gloves
•elbow/knee/wrist sliders
•reinforced boots
•and ear plugs
Warning
Failure to wear a helmet increases the risk of serious injury or even death in the event of an accident.
Make sure that you always wear an approved helmet with appropriate protective clothing during
driving.