Yamaha EW50 User Manual
OWNER’S MANUAL
EW50 NAKED
5YX-F8199-E0
EAU04576
INTRODUCTION
Welcome to the Yamaha world of motorcycling!
As the owner of the EW50 NAKED, you are benefiting from Yamaha's vast experience and newest technology regarding
the design and manufacture of high-quality products, which have earned Yamaha a reputation for dependability.
Please take the time to read this manual thoroughly, so as to enjoy all advantages of your EW50 NAKED. The owner's
manual does not only instruct you in how to operate, inspect and maintain your scooter, but also in how to safeguard
yourself and others from trouble and injury.
In addition, the many tips given in this manual will help keep your scooter in the best possible condition. If you have any
further questions, do not hesitate to contact your Yamaha dealer.
The Yamaha team wishes you many safe and pleasant rides. So, remember to put safety first!
IMPORTANT MANUAL INFORMATION
Particularly important information is distinguished in this manual by the following notations:
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED!
Failure to follow WARNING instructions could result in severe injury or death to the
scooter operator, a bystander, or a person inspecting or repairing the scooter.
A CAUTION indicates special precautions that must be taken to avoid damage to
the scooter.
NOTE : A NOTE provides key information to make procedures easier or clearer.
NOTE :
This manual should be considered a permanent part of this scooter and should remain with it even if the
•
scooter is subsequently sold.
Yamaha continually seeks advancements in product design and quality. Therefore, while this manual
•
contains the most current product information available at the time of printing, there may be minor
discrepancies between your scooter and this manual. If you have any questions concerning this manual,
please consult your Yamaha dealer.
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IMPORTANT MANUAL INFORMATION
EW000002
PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THIS
SCOOTER.
EAUM0023
EW50 NAKED
OWNER'S MANUAL
© 2004 by MBK INDUSTRIE
1st Edition, July 2004
All rights reserved
Any reprinting or unauthorized use
without the written permission of
MBK INDUSTRIE
is expressly prohibited.
Printed in France.
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TABLE OF CONTENTS
11 GIVE SAFETY THE RIGHT OF WAY
2 DESCRIPTION
3 INSTRUMENT AND CONTROL FUNCTIONS
4 PRE-OPERATION CHECKS
5 OPERATION AND IMPORTANT RIDING POINTS
6 PERIODIC MAINTENANCE AND MINOR REPAIR
7 SCOOTER CARE AND STORAGE
8 SPECIFICATIONS
9 CONSUMER INFORMATION
2
3
4
5
6
7
8
9
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GIVE SAFETY THE RIGHT OF WAY
GIVE SAFETY THE RIGHT OF WAY ................................................. 1-1
1
GIVE SAFETY THE RIGHT OF WAY
Scooters are fascinating vehicles, which can give you an unsurpassed feeling of power and freedom. However,
they also impose certain limits, which you must accept; even the best scooter does not ignore the laws of
1
physics.
Regular care and maintenance are essential for preserving value and operating condition of your scooter.
Moreover, what is true for the scooter is also true for the rider: good performance depends on being in good
shape. Riding under the influence of medication, drugs and alcohol is, of course, out of the question. Scooter
riders — more than car drivers — must always be at their mental and physical best. Under the influence of
even small amounts of alcohol, there is a tendency to take dangerous risks.
Protective clothing is as essential for the scooter rider as seat belts are for car drivers and passengers.
Always wear a complete scooter suit (whether made of leather or tear-resistant synthetic materials with
protectors), sturdy boots, scooter gloves and a properly fitting helmet. Optimum protective wear, however,
should not encourage carelessness. Although full-coverage helmets and suits, in particular, create an illusion of total safety and protection, motorcyclists will always be vulnerable. Riders who lack critical selfcontrol run the risk of going too fast and are apt to take chances. This is even more dangerous in wet
weather. The good motorcyclist rides safely, predictably and defensively — avoiding all dangers, including
those caused by others.
Enjoy your ride!
1-1
GIVE SAFETY THE RIGHT OF WAY
Further safe-riding points
Be sure to signal clearly when making turns.
•
Braking can be extremely difficult on a wet road. Avoid hard braking, because the scooter could slide.
•
Apply the brakes slowly when stopping on a wet surface.
Slow down as you approach a corner or turn. Once you have completed a turn, accelerate slowly.
•
Be careful when passing parked cars. A driver might not see you and open a door in your path.
•
Railroad crossings, streetcar rails, iron plates on road construction sites, and manhole covers become
•
extremely slippery when wet. Slow down and cross them with caution. Keep the scooter upright, otherwise
it could slide out from under you.
The brake pads could get wet when you wash the scooter. After washing the scooter, check the brakes
•
before riding.
Always wear a helmet, gloves, trousers (tapered around the cuff and ankle so they do not flap), and a
•
bright colored jacket.
Do not carry too much luggage on the scooter. An overloaded scooter is unstable.
•
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1
1-2
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DESCRIPTION
Left view .............................................................................................. 2-1
Right view ........................................................................................... 2-2
2
DESCRIPTION
Left view
2
12345 6
1. Rear brake lever (page 3-5)
2. Left handlebar switches (page 3-4)
3. Speedometer unit (page 3-3)
4. Luggage hook (page 3-8)
5. Main switch (page 3-1)
78910
6. Seat lock (page 3-8)
7. Final transmission oil filler cap (page 6-6)
8. Air filter element (page 6-7)
9. Kickstarter (page 3-8)
10. Front brake pads (page 6-12)
2-1
Right view
11 12 13 14
19
18
17
16
DESCRIPTION
2
15
11. Front brake lever (Page 3-4)
12. Throttle grip (Page 6-8)
13. Right handlebar switches (Page 3-4)
14. Front brake fluid reservoir (Page 6-13)
15. Centerstand (Page 6-15)
16. Battery (fuse) (Page 6-17 — 6-19)
17. Anti-theft device housing (Page 3-9)
18. Fuel tank cap (Page 3-5)
19. Oil tank cap (Page 3-5)
2-2
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INSTRUMENT AND CONTROL FUNCTIONS
Main switch / steering lock .................................................................. 3-1
Indicator and warning lights ................................................................ 3-2
Speedometer unit ................................................................................3-3
Handlebar switches ............................................................................. 3-4
Front brake lever ................................................................................. 3-4
Rear brake lever ................................................................................. 3-5
Fuel and 2-stroke engine oil tank caps ............................................... 3-5
Fuel ..................................................................................................... 3-6
2-stroke engine oil ............................................................................... 3-7
Catalytic converter .............................................................................. 3-7
Starter (choke) lever ........................................................................... 3-7
Kickstarter ........................................................................................... 3-8
Seat ..................................................................................................... 3-8
Luggage hook ..................................................................................... 3-8
Anti-theft device housing ..................................................................... 3-9
3
INSTRUMENT AND CONTROL FUNCTIONS
PUSH
3
ZAUM0332
Main switch/steering lock
The main switch/steering lock controls
the ignition and lighting systems, and
is used to lock the steering. The various
positions are described below.
ON “ ”
All electrical circuits are supplied with
power, the taillight and meter lighting
come on, and the engine can be
started. The key cannot be removed.
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OFF “ ”
All electrical systems are off. The key
can be removed.
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The 2-stroke engine oil level warning
*
light should come on. See page 3-2 for
an explanation of the engine oil level
warning light.
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LOCK“ ”
The steering is locked, and all electrical
systems are off. The key can be
removed.
To lock the steering
1. Turn the handlebars all the way
to the left.
2. Push the key in from the “ ” po-
sition, release it, and then turn it
to “ ”.
3. Remove the key.
EW000016
Never turn the key to “ ” or “ ”.
while the scooter is moving,
otherwise the electrical systems will
be switched off, which may result in
loss of control or an accident. Make
sure that the scooter is stopped
before turning the key to “ ” or
“ ”.
NOTE :
Remove the key from the main switch
when the scooter will be left
unattended.
NOTE :
The headlight comes on as soon as the
engine is started.
To unlock the steering
Insert the key and turn it to “ ”.
3-1
INSTRUMENT AND CONTROL FUNCTIONS
12 34
ZAUM0522
1. Fuel level warning light “ ”
2. Turn signal indicator light “ ”
3. Oil level warning light “ ”
4. High beam indicator light “ ”
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Indicator and warning lights
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High beam indicator light “ ”
This indicator light comes on when the
high beam of the headlight is switched
on.
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Turn signal indicator light “ ”
This indicator light flashes when the
turn signal switch is pushed to the left
or right.
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Oil level warning light “ ”
This warning light comes on when the
key is in the “*” position or when the
oil level in the 2-stroke engine oil tank
is low during operation. If the warning
light comes on during operation, stop
immediately and fill the oil tank with
Yamalube 2 or equivalent 2-stroke
engine oil of either JASO grade "FC"
or ISO grades "EG-C" or "EG-D". The
warning light should go off after the 2stroke engine oil tank has been refilled.
NOTE :
If the warning light does not come on
when the key is in the “*” position or
does not go off after the 2-stroke engine
oil tank has been refilled, have a
Yamaha dealer check the electrical circuit.
EC000000
Do not operate the scooter until you
know that the engine oil level is
sufficient.
ZAUM0524
EAUM0112
Fuel level warning light “ ”
This warning light comes on and the
last two segments of the fuel meter will
start to flash when the fuel level drops
below approximately 1.4 L . When this
occurs, refuel as soon as possible.
3
3-2
INSTRUMENT AND CONTROL FUNCTIONS
NOTE:
Do not allow the fuel tank to empty
•
itself completely.
The electrical circuit of the warning
•
light can be checked as follows.
Turn the key to “ ”. If the warning light
3
does not come on, have a Yamaha
dealer check the electrical circuit.
12 3
ZAUM0523
1. Speedometer
2. Odometer
3. Fuelmeter
EAUM0113
Speedometer unit
The speedometer unit is equipped with
a speedometer, an odometer and a fuel
meter. The speedometer shows riding
speed. The odometer shows the total
distance traveled. The fuel meter
indicates the amount of fuel in the fuel
tank. (See page 3-2 for an explanation
of the fuel level warning light.)
3-3
ZAUM0142
INSTRUMENT AND CONTROL FUNCTIONS
1
2
3
1
ZAUM0473
1
ZAUM0084
3
1. Horn switch “ ”
2. Turn signal switch “ ”
3. Dimmer switch “ , ”
Handlebar switches
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Horn switch “ ”
Press this switch to sound the horn.
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Turn signal switch “ ”
To signal a right-hand turn, push this
switch to the right. To signal a left-hand
turn, push this switch to the left. When
released, the switch returns to the
center position. To cancel the turn signal lights, push the switch in after it
has returned to the center position.
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Dimmer switch “ , ”
Set this switch to “ ” for the high beam
and to “ ” for the low beam.
1. Start switch “ ” 1. Front brake lever
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Start switch “ ”
Push this switch while applying the front
or rear brake to crank the engine with
the starter.
EC000005
Front brake lever
The front brake lever is located on the
right handlebar grip. To apply the front
brake, pull this lever toward the
handlebar grip.
See page 5-1 for starting instructions prior to starting the engine.
3-4
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INSTRUMENT AND CONTROL FUNCTIONS
1
1
2-stroke engine oil tank cap
To remove the 2-stroke engine oil tank
cap, pull it off.
To install the 2-stroke engine oil tank
2
cap, push it into the oil tank opening.
EW000025
3
ZAUM0085
1. Rear brake lever
Rear brake lever
The rear brake lever is located on the
left handlebar grip. To apply the rear
brake, pull this lever toward the
handlebar grip.
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ZAUM0144
1. Fuel tank cap
2. Oil tank cap
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Fuel and 2-stroke engine oil
tank caps
The fuel tank cap and the 2-stroke
engine oil tank cap are located under
the seat. (See page 3-8 for seat
opening and closing procedures.)
Fuel tank cap
To remove the fuel tank cap, turn it
counterclockwise, and then pull it off.
To install the fuel tank cap, turn it
clockwise.
3-5
Make sure that the fuel and 2-stroke
engine oil tank caps are properly
installed before riding the scooter.
INSTRUMENT AND CONTROL FUNCTIONS
1
2
ZAUM0020
1. Filler tube
2. Fuel level
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Fuel
Make sure that there is sufficient fuel
in the tank. Fill the fuel tank to the
bottom of the filler tube as shown.
EW000130
Do not overfill the fuel tank,
•
otherwise it may overflow when
the fuel warms up and expands.
Avoid spilling fuel on the hot
•
engine.
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EC000008
Immediately wipe off spilled fuel
with a clean, dry, soft cloth, since
fuel may deteriorate painted surfaces or plastic parts.
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Recommended fuel:
REGULAR UNLEADED
GASOLINE ONLY
Fuel tank capacity:
Total amount:
6.5 L
Your Yamaha engine has been
designed to use regular unleaded
gasoline with a research octane
number of 91 or higher. If knocking (or
pinging) occurs, use a gasoline of a
different brand or premium unleaded
fuel. Use of unleaded fuel will extend
spark plug life and reduce maintenance
costs.
EWA00008
Since gasoline is flammable, the
following precautions must be
observed.
Stop the engine before
•
refueling.
Never attempt to refuel the
•
scooter while smoking or near
an open flame.
Take special care not to spill
•
gasoline over the engine or
muffler when refueling
immediately after operation.
Before starting the engine,
•
quickly wipe off any gasoline
spilled on the engine or muffler.
3
3-6
INSTRUMENT AND CONTROL FUNCTIONS
2-stroke engine oil
Make sure that there is sufficient oil in
the 2-stroke engine oil tank. Add the
recommended 2-stroke engine oil if
necessary.
NOTE :
3
Make sure that the 2-stroke engine oil
tank cap is properly installed.
Recommended oil:
Yamalube 2 or equivalent 2stroke engine oil (JASO grade
"FC", or ISO grades "EG-C" or
"EG-D")
Oil quantity:
1.3 L
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EAU03098
Catalytic converter
This scooter is equipped with a catalytic
converter in the muffler.
The exhaust system is hot after
operation. Make sure that the
exhaust system has cooled down
before doing any maintenance work.
The following precautions must be
observed to prevent a fire hazard or
other damages.
Use only unleaded gasoline.
•
The use of leaded gasoline will
cause unrepairable damage to
the catalytic converter.
Never park the scooter near
•
possible fire hazards such as
grass or other materials that
easily burn.
Do not allow the engine to idle
•
too long.
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EC000114
a
ZAUM0309
1. Starter (choke) lever “ ”
b
1
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Starter (choke) lever “ ”
Starting a cold engine requires a richer
air-fuel mixture, which is supplied by the
starter (choke).
Move the lever in direction a to turn
on the starter (choke).
Move the lever in direction b to turn
off the starter (choke).
3-7
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