Aprilia ETX 125 User Manual 1998

use and maintenance
aprilia
part# 8102852
ETX 125
© 1998 aprilia s.p.a. - Noale (VE) This manual is to be considered an integral part of the vehicle,
which must be delivered complete with it also in case of resale.
aprilia s.p.a. reserves the right to modify its models at any time,
without prejudice to the main characteristics here described. All rights as to electronic storage, reproduction and total or par-
tial adaptation, with any means, are reserved for all Countries. The mention to products or services supplied by third parties is
made only for information purposes and is not binding in any case.
aprilia s.p.a takes no responsibility as to the performance or the
use of said products. First edition: march 1998 Reprint:
Produced and printed by:
Studio Tecno Public
Viale del Progresso - 37038 Soave (VR) - Italy Tel. +39 (0)45 -76 11 911 Fax +39 (0)45 -76 12 241 www.stp.it E-mail: customer@stp.it
On behalf of:
aprilia s.p.a.
via G. Galilei, 1 - 30033 Noale (VE) - Italy Tel. +39 (0)41 - 58 29 111 Fax +39 (0)41 - 44 10 54 www.aprilia.com
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ETX 125

FOREWORD

c
Before starting the engine, carefully read this manual, paying particular attention to the chapter "RIDING SAFELY". Your and other people’s safety depends not only on your quick­ness of reflexes and on your agility, but also on what you know about the vehicle, on its efficiency and on your knowledge of the basic information for RIDING SAFELY. Therefore, get a thor­ough knowledge of the vehicle, in such a way as to be able to drive in the traffic safely. For the controls and repairs not expressly described in this man­ual, for the purchase of aprilia Genuine Spare Parts, accesso­ries and other products, as well as for specific technical advice, contact only aprilia Authorized Outlets and Official Dealers, who can ensure you reliable and prompt servicing. Thank you for choosing aprilia . We wish you a nice ride.
IMPORTANT:
When asking your Dealer for spare parts, specify the spare parts code indicated on the SPARE PARTS IDENTIFICATION LA­BEL. Write down the identification code in the space here below, in or­der to remember it also in case of loss or deterioration of the la­bel. The label is positioned under the left side cover, see p. 40 (RE­MOVING THE SIDE COVERS).
aprilia
GR NL CH DK J SGP PL IL ROK
MAL RCH BM USA AUS
CODICE RICAMBI spare parts code number
ABCDE
IUKAPSFB D F E
I.M.
Carefully observe the instructions preceded by the following warning signs:
Safety norms and regulations to protect the driver and other people from severe injuries or grave risks.
a
Indications to make the operations easier. Technical information.
The operations preceded by this symbol must be re­peated on the opposite side of the vehicle.
In this manual the various versions are indicated by the following symbols:
optional
&
catalytic version
2
Italy version
I
United Kingdom version
U
Austria version
A
Portugal version
P
Finland version
"
Belgium version
B
Germany version
D
France version
F
Spain version
E
Greece version
G
Holland version
O
Switzerland version
C
Denmark version
£
Japan version
J
Singapore version
S
Poland version
V
Israel version
%
South Korea version
K
Malaysia version
M
Chile version
R
Bermuda version
Q
United States of America
-
version Australia version
^
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TABLE OF CONTENTS

SAFE DRIVE .....................................................................................................5
SAFETY RULES.........................................................................................6
CLOTHING.................................................................................................9
ACCESSORIES........................................................................................10
LOAD........................................................................................................10
ARRANGEMENT OF THE MAIN ELEMENTS ...............................................12
ARRANGEMENT OF THE INSTRUMENTS ...................................................14
INSTRUMENTS AND INDICATORS ..............................................................14
INSTRUMENTS AND INDICATORS TABLE............................................15
MAIN INDEPENDENT CONTROLS ...............................................................16
CONTROLS ON THE LEFT SIDE OF THE HANDLEBAR.......................16
IGNITION SWITCH...................................................................................17
STEERING LOCK.....................................................................................17
AUXILIARY EQUIPMENT ...............................................................................18
GLOVE/TOOL KIT COMPARTMENT.......................................................18
CRASH HELMET HOOK..........................................................................18
ANTI-THEFT HOOK.................................................................................19
SPECIAL TOOLS
MAIN COMPONENTS .....................................................................................20
FUEL.........................................................................................................20
TRANSMISSION OIL................................................................................20
2 STROKE OIL TANK...............................................................................21
BRAKE FLUID - recommendations ..........................................................22
DISC BRAKES..........................................................................................22
FRONT BRAKE........................................................................................23
REAR BRAKE...........................................................................................24
ADJUSTING THE REAR BRAKE LEVER HEIGHT..................................25
ADJUSTING THE CLUTCH......................................................................26
TYRES......................................................................................................27
COOLANT ................................................................................................28
CATALYTIC SILENCER
INSTRUCTIONS FOR USE .............................................................................31
PRELIMINARY CHECKING OPERATIONS.............................................31
STARTING................................................................................................32
DEPARTURE AND DRIVE.......................................................................34
RUNNING-IN............................................................................................37
STOPPING...............................................................................................37
PARKING..................................................................................................38
POSITIONING THE VEHICLE ON THE STAND......................................38
SUGGESTIONS TO PREVENT THEFT...................................................38
MAINTENANCE ..............................................................................................39
REGULAR SERVICE INTERVALS CHART.............................................39
..............................................................................19
&
...................................................................30
2
IDENTIFICATION DATA..........................................................................40
REMOVING THE SIDE COVERS............................................................ 40
AIR CLEANER.........................................................................................41
CHECKING THE TRANSMISSION OIL LEVEL AND TOPPING UP....... 42
CHANGING THE TRANSMISSION OIL .................................................. 43
FRONT WHEEL.......................................................................................44
REAR WHEEL ......................................................................................... 46
DRIVE CHAIN..........................................................................................48
INSPECTING THE FRONT AND REAR SUSPENSIONS.......................50
REAR SUSPENSION...............................................................................51
CHECKING THE BRAKE PAD WEAR.....................................................52
ADJUSTING THE COLD START CONTROL (
IDLING ADJUSTMENT............................................................................53
ADJUSTING THE ACCELERATOR CONTROL......................................53
SPARK PLUG..........................................................................................54
BATTERY.................................................................................................55
LONG INACTIVITY OF THE BATTERY .................................................. 55
CHECKING AND CLEANING
THE TERMINALS .................................................................................... 56
REMOVING THE BATTERY.................................................................... 56
CHECKING THE ELECTROLYTE LEVEL............................................... 57
RECHARGING THE BATTERY...............................................................57
INSTALLING THE BATTERY .................................................................. 57
CHANGING THE FUSES.........................................................................58
CHECKING THE SIDE STAND AND THE SAFETY SWITCH ................ 59
CHECKING THE SWITCHES..................................................................60
ADJUSTING THE VERTICAL HEADLIGHT BEAM.................................61
BULBS ..................................................................................................... 61
CHANGING THE HEADLIGHT BULBS...................................................62
CHANGING THE DASHBOARD BULBS.................................................63
CHANGING THE FRONT AND REAR DIRECTION INDICATORS.........64
CHANGING THE REAR LIGHT BULB.....................................................64
TRANSPORT ..................................................................................................65
DRAINING THE FUEL TANK...................................................................65
CLEANING .....................................................................................................66
LONG PERIODS OF INACTIVITY...........................................................67
AFTER A PERIOD OF INACTIVITY ........................................................ 67
TECHNICAL DATA ........................................................................................68
LUBRICANT CHART ............................................................................... 72
Importers..................................................................................................73
WIRING DIAGRAM - ETX 125................................................................. 74
WIRING DIAGRAM KEY - ETX 125.........................................................75
)...................................52
e
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ETX 125

safe drive

SAFETY RULES

To drive the vehicle it is necessary to be in possession of all the requirements pre­scribed by law (driving licence, minimum age, psychophysical ability, insurance, state taxes, vehicle registration, number plate, etc.).
Gradually get to know the vehicle by driv­ing it first in areas with low traffic and/or pri­vate areas.
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The use of medicins, alcohol and drugs or psychotropic substances notably increases the risk of accidents. Be sure that you are in good psychophysi­cal conditions and fit for driving and pay particular attention to physical weariness and drowsiness.
Most road accidents are caused by the driver’s lack of experience.
NEVER lend the vehicle to beginners and, in any case, make sure that the driver has all the requirements for driving.
¡
STOP150 m
150m
STOP
Rigorously observe all road signs and na­tional and local road regulations. Avoid abrupt movements that can be dan­gerous for yourself and other people (for example: rearing up on the back wheel, speeding, etc.), and give due consideration to the road surface, visibility and other driv­ing conditions.
Avoid obstacles that could damage the ve­hicle or make you lose control.
Avoid riding in the slipstream created by preceding vehicles in order to increase your speed.
Always drive with both hands on the han­dlebars and both feet on the footrests (or on the rider’s footboards), in the correct driving posture.
Avoid standing up or stretching your limbs while driving.
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OIL
COOLER
The driver should pay attention and avoid distractions caused by people, things and movements (never smoke, eat, drink, read, etc.) while driving.
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ETX 125
Use only the vehicle’s specific fuels and lu­bricants indicated in the "LUBRICANT CHART"; check the oil, fuel and coolant levels regularly.
If the vehicle has been involved in an acci­dent, make sure that no damage has oc­curred to the control levers, pipes, wires, braking system and vital parts. If necessary, have the vehicle inspected by an aprilia Official Dealer, who should care­fully check the frame, handlebars, suspen­sions, safety parts and all the devices that you cannot check by yourself.
Always remember to report any malfunc­tion to the technicians to help them in their work.
Never use the vehicle when the amount of damage it has suffered endangers your safety.
A12
345
ONLY ORIGINALS
Never change the position, inclination or colour of: number plate, direction indica­tors, lights and horns.
Any modification of the vehicle will result in the invalidity of the guarantee.
Any modification of the vehicle and/or the removal of original components can com­promise vehicle performance levels and safety or even make it illegal.
We recommend respecting all regulations and national and local provisions regarding the equipment of the vehicle.
In particular, avoid all modifications that in­crease the vehicle’s performance levels or alter its original characteristics.
Never race with other vehicles.

CLOTHING

Before starting, always wear a correctly fastened crash helmet. Make sure that it is homologated, in good shape, of the right size and that the visor is clean.
Wear protective clothing, preferably in light and/or reflecting colours. In this way you will make yourself more visible to the other drivers, thus notably reducing the risk of being knocked down, and you will be more protected in case of fall.
This clothing should be very tight-fitting and fastened at the wrists and ankles. Strings, belts and ties should not be hang­ing loose; prevent these and other objects from interfering with driving by getting en­tangled with moving parts or driving mech­anisms.
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Do not keep objects that can be dangerous in case of fall, for example pointed objects like keys, pens, glass vials etc. in your pockets (the same recommendations also apply to passengers).
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ACCESSORIES

The owner of the vehicle is responsible for the choice, installation and use of any ac­cessory. Avoid installing accessories that cover horns or lights or that could impair their functions, limit the suspension stroke and the steering angle, hamper the operation of the controls and reduce the distance from the ground and the angle of inclination in turns. Avoid using accessories that hamper ac­cess to the controls, since this can prolong reaction times during an emergency. Large fairings and windscreens assembled on the vehicle can produce aerodynamic forces capable of compromising the stabili­ty of the vehicle while driving.
Make sure that the equipment is well fas­tened to the vehicle and not dangerous during driving. Do not install electrical de­vices and do not modify those already ex­isting to avoid electrical overloads, be­cause the vehicle could suddenly stop or there could be a dangerous current short­age in the horn and in the lights. aprilia recommends the use of genuine accesso­ries ( aprilia genuine accessories).

LOAD

Be careful and moderate when loading your luggage. Keep any luggage loaded as close as possible to the centre of the vehi­cle and distribute the load uniformly on both sides, in order to reduce imbalance to the minimum. Furthermore, make sure that the load is firmly secured to the vehicle, es­pecially during long trips.
KG!
Avoid hanging bulky, heavy and/or danger­ous objects on the handlebars, mudguards and forks, because the vehicle might re­spond more slowly in turns and its ma­noeuvrability could be unavoidably im­paired.
Do not place bags that are too bulky on the vehicle sides and do not ride with the crash helmet hanging from its string, because it could hit people or obstacles making you lose control of the vehicle.
Do not carry any bag if it is not tightly se­cured to the vehicle.
Do not carry bags which protrude too much from the luggage rack or which cover the lights, horn or indicators.
Do not carry animals or children on the glove compartment or on the luggage rack.
Do not exceed the maximum load allowed for each side-bag.
When the vehicle is overloaded, its stability and its manoeuvrability can be compro­mised.
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11

ARRANGEMENT OF THE MAIN ELEMENTS

KEY
1) Horn
2) Fuel tank plug
3) Fuel tank
4) Anti-theft hook (for the aprilia “Body­Guard” armored cable
&
)
5) Battery
7) Fuse carrier
8) Rear luggage rack
9) Passenger left grab rail
10) Passenger left footrest (snapping, closed/open)
11) Side stand
6) Glove/tool kit compartment
12) Rider left footrest (with spring, always open)
13) Transmission oil drain plug
14) Shifting lever
15) Transmission oil filling cap
16) Starting lever
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ETX 125
KEY
1) Passenger right grab rail
2) 2 stroke oil tank plug
3) 2 stroke oil tank
4) Air cleaner
5) Rear brake fluid tank
6) Fuel cock
7) Brake fluid reservoir (front brake)
8) Ignition switch/steering lock
9) Coolant radiator cap
10) Coolant radiator
11) Rear brake control lever
12) Rider right footrest (with spring, always open)
13) Rear brake pump
14) Drive chain
15) Passenger right footrest (snapping, closed/open)
16) Crash helmet hook
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ARRANGEMENT OF THE INSTRUMENTS

INSTRUMENTS AND INDICATORS

KEY
1) Light switch (
2) Direction indicator switch (
3) Horn push button (
4) Dimmer switch (
5) High beam signalling push button (
6) Left rear-view mirror
7) Clutch lever
8) Cold start lever (
9) Instruments and indicators
10) Ignition switch/steering lock (
11) Front brake lever
12) Right rear-view mirror
13) Throttle grip
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o
ETX 125
-
b
e
p
f
)
-
- •) )
a
)
c
)
n
KEY
1) Red 2 stroke oil reserve warning light (
2) Total kilometres odometer
3) Speedometer
4) Red coolant overheating warning light (
a
)
m
s
-
-
)
5) Green neutral indicator warning light (
6) Green direction indicator warning light (
7) Blue high beam warning light (
8) Partial kilometres odometer
9) Odometer trip control
a
j
)
h
)
q
)
c
)
)

INSTRUMENTS AND INDICATORS TABLE

Description Function
2 stroke oil reserve warning light (
Comes on, for about 0.5 seconds, whenever the ignition switch is brought to position “
j
thus testing the correct operation of the bulb. If the light does not come on in this phase, contact an aprilia Official Dealer .
a
n
If the warning light comes on during the normal operation of the engine, this means that the 2 stroke oil reserve is being used; in this case, provide for top­ping up, see p. 21 (2 STROKE OIL TANK).
”,
Total kilometres odometer Speedometer
Coolant overheating warning light (
Neutral indicator warning light Direction indicator
warning light ( High beam warning light (
Partial kilometres odometer Odometer trip control
It indicates the total number of kilometres covered. It indicates the driving speed. It comes on when the coolant reaches or exceeds the limit temperature.
In this case, stop the engine and check the coolant level, see p. 28 (COOLANT).
h
a
It comes on when the gear is in neutral.
(
q)
Blinks when the direction indicators are on.
c)
Comes on when the headlight is in "high beam" position or when the high beam signalling is
a)
operated. It indicates the partial number of kilometres covered.
To set it to zero, use the odometer trip control. Rotate it anticlockwise to set the partial kilometres odometer to zero.
If the maximum allowed temperature is exceeded (the warning light comes on), the engine may be seriously damaged.
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)
)
15

MAIN INDEPENDENT CONTROLS

c
c
o
p
3) HEADLIGHT SWITCH ( Before operating the light switch, make sure that
the dimmer switch (
When the light switch is in position “ When the switch is in position “ the dashboard light are on.
When the switch is in position “ dashboard light and the low or high beam are on. By means of the dimmer switch ( operate the low or high beam.
-
-
)
-
) (6) is in position “
b
a
”, the lights are off.
p
”, the parking lights and
o
”, the parking lights, the
b
a
-
) (6) it is possible to
b

CONTROLS ON THE LEFT SIDE OF THE HANDLEBAR

The electrical parts work only when the ignition switch is in position "
1) HIGH BEAM SIGNALLING PUSH BUTTON (
It makes it possible to use the high beam for signalling to forthcoming vehicles while overtaking and in case of peril and/or emergency.
2) COLD START LEVER (
16
The starter for the cold start of the engine is operated by rotating the lever “ To disconnect the starter, return the lever “ position.
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ETX 125
n
".
e
” anticlockwise (Pos. A) .
)
a
” to its initial
e
”.
4) DIRECTION INDICATOR SWITCH (
To indicate the turn to the left, move the switch to the left; to indicate the turn to the right, move the switch to the right. To turn off the direction indicator, press the switch.
5) HORN PUSH BUTTON (
The horn is activated when the push button is pressed.
6) DIMMER SWITCH (
When the light switch (
)
)
)
dimmer switch is in position “ while if it is in position “
)
f
b
-
a
o
p
-
b
”, the low beam comes on.
c
-
) (3) is in position “ ”, the high beam comes on,
a
o
”, if the
c
Position Function
Key
removal

IGNITION SWITCH

The ignition switch (1) is positioned on the upper plate of the steering column.
The key operates the ignition
switch/steering lock. Two keys are supplied together with the vehicle (one spare key).

STEERING LOCK

Never turn the key to position "
s
a
vehicle. OPERATION
To lock the steering:
Turn the handlebar completely leftwards.
Turn the key to position “
c
Press and rotate the key anticlockwise (leftwards), steer the handlebar slowly until the key reaches position “
Extract the key.
" in running conditions, in or-
der to avoid losing control of the
m
Turn the key and steer the han­dlebar at the same time.
s
”.
s
Steering
lock
m
n
The steer­ing is locked. It is neither possible to start the engine, nor to switch on the lights.
Neither the engine, nor the lights can be switched on.
The engine and the lights can be switched on.
It is possi­ble to remove the key.
It is possi­ble to remove the key.
It is not pos­sible to remove the key.
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”.
17

AUXILIARY EQUIPMENT

GLOVE/TOOL KIT COMPARTMENT

The glove/tool kit compartment is positioned under the left side cover; to reach it:
Remove the left side cover, see p. 40 (REMOVING THE SIDE COVERS).
Withdraw the compartment cover from behind (1).
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ETX 125
The tool kit (2) includes: – n˚ 1 tool case
– n˚ 1 4 mm bent Allen spanner – n˚ 1 5 mm bent Allen spanner – n˚ 1 6 mm bent Allen spanner – n˚ 1 8 mm bent Allen spanner – n˚ 1 7x8mm double fork spanner – n˚ 1 10x13 mm double fork spanner – n˚ 1 19 mm fork spanner – n˚ 1 21x24 mm double socket spanner – n˚ 1 cross-/cut-headed screwdriver – n˚ 1 screwdriver handle – n˚ 1 3x70 mm cross-headed screwdriver
Max. allowed weight: 1.5 kg

CRASH HELMET HOOK

Thanks to the crash helmet hook, you no longer have to carry the crash helmet with you every time you park the vehicle.
Do not ride with the crash helmet hanging from the hook, as this
a
safety.
To hang the crash helmet, proceed as follows:
may seriously compromise your
Insert the key in the lock (3). Rotate the key clockwise. Pass the crash helmet cable through the hook (4). Rotate the key anticlockwise.
Make sure that you have correctly
c
closed the hook (4).

ANTI-THEFT HOOK

The anti-theft hook (1) is positioned on the left side of the vehicle.
To prevent the vehicle from being stolen, it is advisable to secure it with the aprilia “Body-Guard” armored cable available at any aprilia Official Dealer.
Do not use the hook to lift the
vehicle or for any purpose other
than securing the vehicle once it
a
has been parked.
&
(2),
SPECIAL TOOLS
To perform some specific operations, it is advisable to use the following special tools (to be requested to an aprilia Official Dealer ):
Tool Operations Page
Square pin spanner (3)
Special socket spanner (4)
&
Rear shock absorber ring adjustment.
Clutch clearance adjustment. 26
51
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19

MAIN COMPONENTS

FUEL

The fuel used for internal com­bustion engines is extremely in-
a
ditions it can become explosive. It is important to carry out the refuelling and the maintenance operations in a well­ventilated area, with the engine off. Do not smoke while refuelling or near fuel vapours, in any case avoid any contact with naked flames, sparks and any oth­er heat source to prevent the fuel from catching fire or from exploding. Further, prevent fuel from flowing out of the fuel filler, as it could catch fire when getting in contact with the red-hot surfaces of the engine. In case some fuel has accidentally been spilt, make sure that the area has com­pletely dried before starting the vehicle. Since petrol expands under the heat of the sun and due to the effects of sun ra­diation, never fill the tank to the brim. Screw the plug up carefully after refuel­ling. Avoid any contact of the fuel with the skin and the inhalation of vapours; do not swallow fuel or pour it from a re­ceptacle into another by means of a tube.
flammable and in particular con-
DO NOT DISPOSE OF FUEL IN THE ENVIRONMENT
KEEP AWAY FROM CHILDREN
Use only premium grade petrol (4 Stars
), in conformity with the DIN 51600
U
standard, min. O.N. 98 (N.O.R.M.) and 88 (N.O.M.M.).
Use only unleaded petrol, in conformity
2
with the DIN 51607 standard, min. O.N. 95 (N.O.R.M.) and 85 (N.O.M.M.).
FUEL TANK CAPACITY (reserve included): 11
TANK RESERVE: 4 serve)
To refuel, proceed as follows:
Unscrew and remove the fuel tank plug (1).
Refuel.
l
(mechanical re-
l

TRANSMISSION OIL

c
Check the transmission oil level every 4000 km, see p. 42 (CHECKING THE TRANSMISSION OIL LEVEL AND TOP­PING UP). Change the transmission oil after the first 1000 km and successively every 12000 km, see p. 43 (CHANGING THE TRANS­MISSION OIL).
Wash your hands carefully after using the oil.
Do not dispose of the oil in the environ­ment. Put it in a sealed container and take it to the filling station where you usually buy it or to an oil salvage center.
In case any maintenance operation has to be carried out, it is advisable to use latex gloves.
Remember: 1 mile = 1.6 km 1 km = 0.625 miles
Use high-quality 75W-90 oil, see
c
p. 72 (LUBRICANT CHART). Engine oil can cause serious
damage to the skin if handled
a
every day and for long periods.
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ETX 125

2 STROKE OIL TANK

c
Top up the 2 stroke oil tank every 500 km. The vehicle is provided with a separate
mixer that ensures the mixing of petrol and oil for the engine lubrication, see p. 72 (LUBRICANT CHART).
The 2 stroke oil reserve is indicated by the coming on of the 2 stroke oil reserve warn­ing light “ see p. 15 (INSTRUMENTS AND INDICA­TORS TABLE).
Remember: 1 mile = 1.6 km
1 km = 0.625 miles
” positioned on the dashboard,
j
The use of the vehicle without 2
a
If you run out of oil in the 2 stroke oil tank or if the 2 stroke oil pipe has been removed, contact an Dealer , who will provide for bleeding the system.
This operation is indispensable, since the running of the engine with air in the 2 stroke oil system may result in seri­ous damage to the engine.
stroke oil seriously damages the engine.
aprilia
Official
To introduce the 2 stroke oil in the tank, proceed as follows:
Remove the right side cover, see p. 40 (REMOVING THE SIDE COVERS).
Remove the plug (1). TANK CAPACITY: 1.4 TANK RESERVE: 0.5
Carefully wash your hands after
a
in the environment. KEEP AWAY FROM CHILDREN
handling the oil. Do not dispose of the 2 stroke oil
l
l
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21

BRAKE FLUID - recommendations

c
This vehicle is provided with
separate hydraulic circuits. The following information refers to a single braking system, but is valid for both.
lic system. For any doubt regarding the perfect functioning of the braking system and in case you are not able to carry out the usual checking operations, contact your
front and rear disc brakes, with
Sudden resistance or clearance problems on the brake lever may
a
be due to troubles in the hydrau-
aprilia
Official Dealer .
Make sure that the brake discs are neither oily nor greasy, espe-
a
a
cially after maintenance or
When using the brake fluid, take care not to spill it on the plastic or painted parts, since it
checking operations. Check that the brake cables are neither twisted nor worn out. Prevent water or dust from accidentally getting into the circuit.
In case maintenance operations are to be performed on the hydraulic circuit, it is advisable to use latex gloves.
If the brake fluid gets in contact with the skin or the eyes, it can cause serious ir­ritations. Carefully wash the parts of your body that get in contact with the liquid. Consult a doctor or an oculist if the liq­uid gets in contact with your eyes.
Do not dispose of the brake fluid in the environment.
KEEP AWAY FROM CHILDREN
damages them irreparably.

DISC BRAKES

The brakes are the parts that most ensure your safety and for
a
perfectly working; check them before every trip.
The brake fluid must be changed once a year by an
Use brake fluid of the type specified in the lubricant chart, see p. 72 (LUBRI­CANT CHART).
When the disc pads wear out, the level of the fluid inside the reservoir decreases to automatically compensate for their wear.
The front brake reservoir is positioned near the front brake lever coupling.
The rear brake reservoir is positioned on the right side of the vehicle, before the air filter casing.
Periodically check the brake fluid level in the tanks, see p. 23 (FRONT BRAKE), p. 24 (REAR BRAKE) and the wear of the pads, see p. 52 (CHECKING THE BRAKE PAD WEAR).
this reason they must always be
aprilia
Official Dealer .
22
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FRONT BRAKE

Carefully read p. 22 (BRAKE FLUID - rec­ommendations) and (DISC BRAKES).
CHECKING
Position the vehicle on firm and
c
flat ground.
To check the brake fluid level, proceed as follows:
Position the vehicle on the stand.
Rotate the handlebar leftwards, so that the fluid contained in the reservoir (1) is parallel to the “ MIN ” mark stamped on the glass (2).
Make sure that the level of the brake fluid contained in the tank exceeds the “ MIN ” mark stamped on the glass (2).
If not, provide for topping up.
TOPPING UP
The brake fluid may flow out of
a
loose or, most important, if the brake fluid tank cover has been removed.
a
voir rim.
the reservoir. Do not operate the brake lever if the screws (3) are
Unscrew the two screws (3). Remove the cover (4).
In order not to spill the brake fluid while topping up, keep the fluid in the reservoir parallel to the reser-
Remove the gasket (5). Fill the tank with brake fluid, see p. 72 (LUBRICANT CHART), until it covers the glass completely. Put back the gasket (5) in its seat cor­rectly.
Put back the cover (4).
Screw and tighten the two screws (3).
Check the braking efficiency. If
a
In case of excessive movement of the brake lever, of excessive elasticity or in case there is air in the circuit, contact your aprilia Official Dealer, since it may be necessary to bleed the system.
necessary, contact your aprilia Official Dealer.
use and maintenance
ETX 125
23

REAR BRAKE

c
Carefully read p. 22 (BRAKE FLUID - rec­ommendations) and (DISC BRAKES).
CHECKING
Position the vehicle on firm and flat ground.
Keep the vehicle in vertical position, so that the fluid contained in the tank (1) is parallel to the plug (2).
Make sure that the fluid level exceeds the " MIN " mark.
If the fluid does not reach the " MIN " mark, provide for topping up.
use and maintenance
24
ETX 125
TOPPING UP
The brake fluid may flow out of the tank. Do not operate the rear
a
plug is loose or has been removed.
id in the tank parallel to the tank rim (in horizontal position).
brake lever if the brake fluid tank
Unscrew and remove the plug (2).
In order not to spill the brake flu-
c
id while topping up, keep the flu-
Remove the gasket (3).
By means of a syringe, top up the brake fluid reservoir (1), see p. 72 (LUBRI­CANT CHART) until reaching the “ MAX ” mark.
To reassemble the components, follow the reverse order.
Check the braking efficiency. If necessary, contact your
a
Official Dealer .
In case of excessive stroke of the brake lever, of excessive elasticity or in case there is air in the circuit, contact your
aprilia
necessary to bleed the system.
Official Dealer , since it may be
aprilia
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