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5RW-F8199-E4
CS50 / CS50M / CS50Z
OWNER’S MANUAL
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EAU10110
Welcome to the Yamaha world of motorcycling!
As the owner of the CS50/CS50M/CS50Z, 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 dependa-
bility.
Please take the time to read this manual thoroughly, so as to enjoy all advantages of your CS50/CS50M/CS50Z. The
owner’s manual does not only instruct you in how to operate, inspect and maintain your scooter, but also in how to safe-
guard 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!
INTRODUCTION
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IMPORTANT MANUAL INFORMATION
EAU34111
Particularly important information is distinguished in this manual by the following notations:
CAUTION: 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.
EWA12410
s s
WARNING
PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THIS SCOOTER.
*Product and specifications are subject to change without notice.
s s
WARNINGFailure to follow WARNING instructions could result in severe injury or deathto the
scooter operator, a bystander, or a person inspecting or repairing the scooter.
The Safety Alert Symbol means ATTENTION! BECOME ALERT! YOUR SAFETY IS
INVOLVED!t
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EAUS1172
IMPORTANT MANUAL INFORMATION
CS50/CS50M/CS50Z
OWNER’S MANUAL
©2007 by YAMAHA MOTOR ESPAÑA S.A.
1st edition, October 2007
All rights reserved.
Any reprinting or unauthorized use
without the written permission of
YAMAHA MOTOR ESPAÑA S.A.
is expressly prohibited.
Printed in Spain.
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SAFETY INFORMATION.....................1-1
Further safe-riding points .................1-4
DESCRIPTION.....................................2-1
Left view ...........................................2-1
Right view .........................................2-3
Controls and instruments .................2-5
INSTRUMENT AND CONTROL
FUNCTIONS........................................3-1
Main switch/steering lock .................3-1
Indicator and warning lights .............3-2
Speedometer ....................................3-3
Multi-function display .......................3-4
Handlebar switches ..........................3-6
Front brake lever...............................3-6
Rear brake lever................................3-7
Fuel and 2-stroke engine oil tank
caps ...............................................3-7
Fuel ...................................................3-8
Catalytic converter............................3-8
2-stroke engine oil ............................3-9
2-stroke engine oil tank ....................3-9
Kickstarter.......................................3-10
Seat.................................................3-10
Storage compartment.....................3-11
Luggage hook .................................3-12
PRE-OPERATION CHECKS...............4-1
Pre-operation check list....................4-2OPERATION AND IMPORTANT
RIDING POINTS..................................5-1
Starting a cold engine ......................5-1
Starting off ........................................5-2
Acceleration and deceleration ..........5-2
Braking..............................................5-3
Tips for reducing fuel
consumption..................................5-3
Engine break-in.................................5-4
Parking ..............................................5-4
PERIODIC MAINTENANCE AND
MINOR REPAIR...................................6-1
Periodic maintenance and
lubrication chart ............................6-2
Removing and installing the
cowling and panel .........................6-5
Checking the spark plug ..................6-6
Final transmission oil ........................6-7
Coolant (only for liquid-cooled
models) ..........................................6-8
Air filter element ................................6-9
Adjusting the carburetor .................6-10
Adjusting the throttle cable
free play .......................................6-10
Tires ................................................6-11
Cast wheels ....................................6-12
Checking the front brake lever
free play .......................................6-13
Adjusting the rear brake lever
free play .......................................6-13Checking the front brake pads
and rear brake shoes ..................6-14
Checking the brake fluid level ........6-15
Changing the brake fluid ................6-16
Checking and lubricating the
throttle grip and cable .................6-16
Lubricating the front and rear
brake levers .................................6-16
Checking and lubricanting the
centerstand .................................6-17
Checking the front fork ...................6-17
Checking the steering.....................6-18
Checking the wheel bearings .........6-19
Battery ............................................6-19
Replacing the fuse ..........................6-20
Replacing the headlight bulb
or a front turn signal light
bulb .............................................6-21
Replacing the tail/brake light
bulb or a rear turn signal light
bulb .............................................6-22
Replacing an auxiliary light
bulb .............................................6-23
Troubleshooting ..............................6-24
Troubleshooting charts ...................6-25
SCOOTER CARE AND STORAGE.....7-1
Matte color caution...........................7-1
Care ..................................................7-1
Storage .............................................7-3
TABLE OF CONTENTS
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SPECIFICATIONS...............................8-1
CONSUMER INFORMATION.............9-1
Identification numbers ......................9-1
TABLE OF CONTENTS
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EAUT1010
SCOOTERS ARE SINGLE TRACK
VEHICLES. THEIR SAFE USE AND
OPERATION ARE DEPENDENT
UPON THE USE OF PROPER RIDING
TECHNIQUES AS WELL AS THE
EXPERTISE OF THE OPERATOR.
EVERY OPERATOR SHOULD KNOW
THE FOLLOWING REQUIREMENTS
BEFORE RIDING THIS SCOOTER.
HE OR SHE SHOULD:
●OBTAIN THOROUGH INSTRUC-
TIONS FROM A COMPETENT
SOURCE ON ALL ASPECTS OF
SCOOTER OPERATION.
●OBSERVE THE WARNINGS AND
MAINTENANCE REQUIRE-
MENTS IN THE OWNER’S
MANUAL.
●OBTAIN QUALIFIED TRAINING
IN SAFE AND PROPER RIDING
TECHNIQUES.
●OBTAIN PROFESSIONAL TECH-
NICAL SERVICE AS INDICATED
BY THE OWNER’S MANUAL
AND/OR WHEN MADE NECES-
SARY BY MECHANICAL CONDI-
TIONS.Safe riding
●Always make pre-operation
checks. Careful checks may help
prevent an accident.
●This scooter is designed to carry
the operator and passenger.
NOTE:
Although this scooter is designed to
carry a passenger, always comply
with the local regulations.
●The failure of motorists to detect
and recognize scooters in traffic
is the predominating cause of
automobile/scooter accidents.
Many accidents have been cau-
sed by an automobile driver who
did not see the scooter. Making
yourself conspicuous appears to
be very effective in reducing the
chance of this type of accident.
Therefore:
• Wear a brightly colored jacket.
• Use extra caution when appro-
aching and passing through
intersections, since intersec-
tions are the most likely places
for scooter accidents to occur.• Ride where other motorists can
see you. Avoid riding in anot-
her motorist’s blind spot.
●Many accidents involve inexpe-
rienced operators. In fact, many
operators who have been invol-
ved in accidents do not even
have a current driver’s license.
• Make sure that you are quali-
fied and that you only lend your
scooter to other qualified ope-
rators.
• Know your skills and limits.
Staying within your limits may
help you to avoid an accident.
• We recommend that you prac-
tice riding your scooter where
there is no traffic until you have
become thoroughly familiar
with the scooter and all of its
controls.
●Many accidents have been cau-
sed by error of the scooter ope-
rator. A typical error made by the
operator is veering wide on a turn
due to EXCESSIVE SPEED or
under cornering (insufficient lean
angle for the speed).
1
tSAFETY INFORMATION
1-1
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• Always obey the speed limit
and never travel faster than
warranted by road and traffic
conditions.
• Always signal before turning or
changing lanes. Make sure that
other motorists can see you.
●The posture of the operator and
passenger is important for proper
control.
• The operator should keep both
hands on the handlebar and
both feet on the footboard
during operation to maintain
control of the scooter.
• The passenger should always
hold onto the operator, the seat
strap or grab bar, if equipped,
with both hands and keep both
feet on the passenger footrests.
• Never carry a passenger
unless he or she can firmly pla-
ce both feet on the passenger
footrests.
●Never ride under the influence of
alcohol or other drugs.
●This scooter is designed for on-
road use only. It is not suitable for
off-road use.Protective apparel
The majority of fatalities from scooter
accidents are the result of head inju-
ries. The use of a safety helmet is the
single most critical factor in the pre-
vention or reduction of head injuries.
●Always wear an approved hel-
met.
●Wear a face shield or goggles.
Wind in your unprotected eyes
could contribute to an impair-
ment of vision which could delay
seeing a hazard.
●The use of a jacket, substantial
shoes, trousers, gloves, etc., is
effective in preventing or redu-
cing abrasions or lacerations.
●Never wear loose-fitting clothes,
otherwise they could catch on
the control levers or wheels and
cause injury or an accident.
●Never touch the engine or
exhaust system during or after
operation. They become very hot
and can cause burns. Always
wear protective clothing that
covers your legs, ankles, and
feet.
●Passengers should also observe
the above precautions.
Modifications
Modifications made to this scooter
not approved by Yamaha, or the
removal of original equipment, may
render the scooter unsafe for use and
may cause severe personal injury.
Modifications may also make your
scooter illegal to use.
Loading and accessories
Adding accessories or cargo to your
scooter can adversely affect stability
and handling if the weight distribution
of the scooter is changed. To avoid
the possibility of an accident, use
extreme caution when adding cargo
or accessories to your scooter. Use
extra care when riding a scooter that
has added cargo or accessories. Here
are some general guidelines to follow
if loading cargo or adding accessories
to your scooter:
Loading
The total weight of the operator, pas-
senger, accessories and cargo must
not exceed the maximum load limit.
1
tSAFETY INFORMATION
1-2
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