Yamaha BWS 2003 Owner's Manual
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Yamaha BWS 2003 Owner's Manual

Yamaha BWS 2003 Owner's Manual

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OWNER'S MANUAL
CW50RS
1B0-F8199-E0

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Summary of Contents for Yamaha BWS 2003

  • Page 1 OWNER’S MANUAL CW50RS 1B0-F8199-E0...
  • Page 3 INTRODUCTION Welcome to the Yamaha world of motorcycling! As the owner of the CW50RS, 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.
  • Page 4 • 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,...
  • Page 5 IMPORTANT MANUAL INFORMATION EW000002 PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THIS SCOOTER.
  • Page 6 EAUM0023 CW50RS OWNER'S MANUAL © 2003 by MBK INDUSTRIE 1st Edition, January 2003 All rights reserved Any reprinting or unauthorized use without the written permission of MBK INDUSTRIE is expressly prohibited. Printed in France.

  • Page 7: Table Of Contents

    EAU00009 TABLE OF CONTENTS 1 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...

  • Page 9: Give Safety The Right Of Way

    EAU00021 EW000015 GIVE SAFETY THE RIGHT OF WAY GIVE SAFETY THE RIGHT OF WAY ..........1-1...
  • Page 10 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 physics.
  • Page 11 GIVE SAFETY THE RIGHT OF WAY EAU02964 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. •...

  • Page 13: Description

    EAU01161 DESCRIPTION Left view ....................2-1 Right view ................... 2-2...
  • Page 14 DESCRIPTION Left view 2 3 4 1. Rear brake lever (Page 3-5) 6. Seat lock (Page 3-8) 2. Speedometer unit (Page 3-3) 7. Final transmission oil filler cap (Page 6-6) 3. Left handlebar switches (Page 3-4) 8. Rear brake adjusting nut (Page 6-11) 4.
  • Page 15 DESCRIPTION Right view 15 16 17 18 12 13 11. Rear carrier (page 3-10) 17. Right handlebar switches (page 3-4) 12. Oil tank cap (page 3-5) 18. Front brake lever (page 3-4) 13. Fuel tank cap (page 3-5) 19. Battery (fuse) (page 6-17 —...

  • Page 17: Instrument And Control Functions

    EAU00027 INSTRUMENT AND CONTROL FUNCTIONS Main switch / steering lock ..............3-1 Indicator and warning lights ..............3-2 Speedometer unit ................3-3 Fuel gauge ..................3-3 Handlebar switches ................3-4 Front brake lever ................. 3-4 Rear brake lever ................. 3-5 Fuel and 2-stroke engine oil tank caps ..........

  • Page 18: Main Switch/Steering Lock

    INSTRUMENT AND CONTROL FUNCTIONS EAU00038 EW000016 OFF “ ” All electrical systems are off. The key Never turn the key to “ ” or “ ”. can be removed. while the scooter is moving, otherwise the electrical systems will EAU04470 be switched off, which may result in T he 2-stroke engine oil level warning loss of control or an accident.

  • Page 19: Indicator And Warning Lights

    “ ” position or high beam of the headlight is switched does not go off after the 2-stroke engine oil tank has been refilled, have a Yamaha dealer check the electrical cir- EAU00057 cuit. Turn signal indicator light “ ”...

  • Page 20: Speedometer Unit

    INSTRUMENT AND CONTROL FUNCTIONS UK ONLY ZAUM0177 ZAUM0178 1. Speedometer 1. Fuel gauge 2. Odometer EAU00098 EAU00113 Speedometer unit Fuel gauge The speedometer unit is equipped with The fuel gauge indicates the amount a speedometer and an odometer. The of fuel in the fuel tank. The needle speedometer shows riding speed.

  • Page 21: Handlebar Switches

    INSTRUMENT AND CONTROL FUNCTIONS 1 2 3 ZAUM0473 ZAUM0142 ZAUM0084 1. Horn switch “ ” 1. Start switch “ ” 1. Front brake lever 2. Turn signal switch “ ” 3. Dimmer switch “ ” EAU00118 EAUM0063 EAU03882 Handlebar switches Start switch “...

  • Page 22: Rear Brake Lever

    INSTRUMENT AND CONTROL FUNCTIONS 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 cap, push it into the oil tank opening. EW000025 Make sure that the fuel and 2-stroke ZAUM0085 ZAUM0485 engine oil tank caps are properly...

  • Page 23: Fuel

    Fill the fuel tank to the quickly wipe off any gasoline bottom of the filler tube as shown. spilled on the engine or muffler. Your Yamaha engine has been designed to use regular unleaded EW000130 gasoline with a research octane •...

  • Page 24: 2-Stroke Engine Oil

    INSTRUMENT AND CONTROL FUNCTIONS EAUM0078 EAU03098 2-stroke engine oil Catalytic converter Make sure that there is sufficient oil in This scooter is equipped with a catalytic the 2-stroke engine oil tank. Add the converter in the muffler. EW000128 recommended 2-stroke engine oil if necessary.

  • Page 25: Kickstarter

    INSTRUMENT AND CONTROL FUNCTIONS ZAUM0486 ZAUM0146 ZAUM0487 1. Kick starter 1. Seat 1. Storage compartment EAUS0015 EAU02978 EAUM0061 Kickstarter Seat Storage compartment To start the engine, push the kickstarter To open the seat There is a storage compartment under down lightly with your foot until the 1.

  • Page 26: Adjusting The Shock Absorber Assembly

    INSTRUMENT AND CONTROL FUNCTIONS EC000010 EAU00295 To store a helmet in the storage Adjusting the shock absor- compartment, place the helmet with the Keep the following points in mind ber assembly front facing backward. when using storage This shock absorber assembly is compartment.

  • Page 27: Carrier

    INSTRUMENT AND CONTROL FUNCTIONS ZAUM0488 ZAUM0489 ZAUM0479 1. Spring preload adjusting ring 1. Rear carrier 1. Luggage hook 2. Position indicator EAU00320 EAUT0020 Adjust the spring preload as follows. Carrier Luggage hook To increase the spring preload and thereby EWT00002 EW000032 harden the suspension, turn the adjusting •...

  • Page 28: Securing Bracket

    INSTRUMENT AND CONTROL FUNCTIONS EWT00001 Be sure to remove the chain or cable before riding, otherwise the scooter may overturn, causing damage or injury. ZAUM0490 1. Securing bracket EAUT0012 Securing bracket To prevent theft, the securing bracket can be used to chain the scooter to a stationary object such as a lamppost or a fence.

  • Page 29: Pre-Operation Checks

    EAU01114 PRE-OPERATION CHECKS Pre-operation check list ..............4-1...
  • Page 30 • Check vehicle for oil leakage. Final transmission oil • Check oil level and vehicle for oil leakage. • Check operation. • If soft or spongy, have Yamaha dealer bleed hydraulic system. Front brake • Check fluid level in reservoir. 3-4, 6-11 •...
  • Page 31 PRE-OPERATION CHECKS ITEM CHECKS PAGE • Check for damage. • Check tire condition and tread depth. Wheels and Tires 6-9 — 6-11 • Check air pressure. • Correct if necessary. • Make sure that operation is smooth. Brake levers 3-4 — 3-5 •...

  • Page 33: Operation And Important Riding Points

    EAU00372 OPERATION AND IMPORTANT RIDING POINTS Starting the engine ................5-1 Starting a warm engine ............... 5-2 Starting off ................... 5-2 Acceleration and deceleration ............. 5-3 Braking ....................5-3 Tips for reducing fuel consumption ............. 5-4 Engine break-in ................... 5-4 Parking ....................

  • Page 34: Starting The Engine

    If the oil level warning light does not a few seconds, and then try again. Each adequate ventilation. come on, have a Yamaha dealer starting attempt should be as short as • For safety, always start the check the electrical circuit.

  • Page 35: Starting A Warm Engine

    OPERATION AND IMPORTANT RIDING POINTS ECA00045 EAU01258 Starting a warm engine For maximum engine life, never Follow the same procedure as for accelerate hard when the engine is starting a cold engine with the excep- cold! tion that the starter (choke) is not required when the engine is warm.

  • Page 36: Acceleration And Deceleration

    OPERATION AND IMPORTANT RIDING POINTS EW000057 • Avoid braking hard or suddenly (especially when leaning over to one side), otherwise the scooter may skid or overturn. • Railroad crossings, streetcar rails, iron plates on road cons- truction sites, and manhole ZAUM0269 ZAUM0199 covers become extremely...

  • Page 37: Tips For Reducing Fuel Consumption

    5 to 10 during the engine break-in period, minutes after every hour of operation. immediately have a Yamaha dealer Vary the speed of the scooter from time check the vehicle. to time. Do not operate it at one set...

  • Page 38: Parking

    OPERATION AND IMPORTANT RIDING POINTS EAU00461 Parking When parking, stop the engine, and then remove the key from the main switch. EW000058 • Since the engine and exhaust system can become very hot, park place where pedestrians or children are not likely to touch them.

  • Page 39: Periodic Maintenance And Minor Repair

    EAU00462 PERIODIC MAINTENANCE AND MINOR REPAIR Checking and lubricating the throttle grip Periodic maintenance and lubrication chart .... 6-2 Checking the spark plug ......... 6-5 and cable .............. 6-15 Final transmission oil ..........6-6 Lubricating the front and rear brake levers ... 6-15 Cleaning the air filter element .........
  • Page 40 Modifications not approved by This scooter is designed for use on lubrication will keep your vehicle in the Yamaha may cause loss of perfor- paved roads only. If this scooter is safest and most efficient condition pos- mance and render the vehicle unsafe operated in abnormally dusty, sible.

  • Page 41: Periodic Maintenance And Lubrication Chart

    • From 30,000 km, repeat the maintenance intervals starting from 6,000 km. • Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. ODOMETER READING (x 1,000 km) ANNUAL...
  • Page 42 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (x 1,000 km) ANNUAL Item Check or maintenance job CHECK • Check tread depth and for damage. • Replace if necessary. √ √ √ √ √ Tires • Check air pressure. • Correct if necessary. √...
  • Page 43 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (x 1,000 km) ANNUAL Item Check or maintenance job CHECK 20 * Front and rear √ √ √ √ √ √ • Check operation. brake switches √ √ √ √ √ Moving parts and cables •...

  • Page 44: Checking The Spark Plug

    Spark plug: diagnose such problems yourself. 20 Nm (2.0 m • ZAUM0037 Instead, have a Yamaha dealer check a. Spark plug gap the scooter. NOTE : If the spark plug shows signs of If a torque wrench is not available when...

  • Page 45: Final Transmission Oil

    6. Add the specified amount of the ride. If any leakage is found, have a recommended final transmission Yamaha dealer check and repair the oil, and then install and tighten the scooter. In addition, the final transmis- oil filler cap.

  • Page 46: Cleaning The Air Filter Element

    PERIODIC MAINTENANCE AND MINOR REPAIR ZAUM0170 ZAUM0318 ZAUM0156 1. Air filter element 1. Air filter case cover EAUM0071 2. Pull the air filter element out, clean 3. Apply oil of the recommended Cleaning the air filter element it with solvent, and then squeeze type to the entire surface of the The air filter element should be cleaned the remaining solvent out.

  • Page 47: Adjusting The Carburetor

    Therefore, all • Make sure that the air filter carburetor adjustments should be left element is properly seated in to a Yamaha dealer, who has the the air filter case. necessary professional knowledge and • The engine should never be experience.

  • Page 48: Tires

    PERIODIC MAINTENANCE AND MINOR REPAIR EW000082 EW000077 • The tire air pressure must be Because loading has an enormous checked and adjusted on cold impact on the handling, braking, per- tires (i.e., when the temperature formance and safety characteristics of of the tires equals the ambient your scooter, you should keep the temperature).
  • Page 49 Rear 1. Tread depth including the tires, should be 2. Side wall Manufacturer Size Type left to a Yamaha dealer, who has 130/90-10 61J REGGAE MICHELIN Tire inspection the necessary professional 130/90-10 59J C924 CHENG SHIN The tires must be checked before each knowledge and experience.

  • Page 50: Cast Wheels

    Periodically check the brake lever free Periodically check the brake lever free has been changed or replaced. An play and, if necessary, have a Yamaha play and, if necessary, adjust it as unbalanced wheel can result in dealer adjust it.

  • Page 51: Checking The Front Brake Pads And Rear Brake Shoes

    If a brake pad is damaged or if the lining EW000101 thickness is less than 3,1 mm, have a Yamaha dealer replace, the brake pads If proper adjustment cannot be as a set. obtained as described, have a...

  • Page 52: Checking The Brake Fluid Level

    Yamaha dea- and/or brake system leakage. If the lead to poor braking performance. ler replace the brake shoes as a set.

  • Page 53: Changing The Brake Fluid

    If a cable is damaged or does Always clean up spilled fluid not move smoothly, have a Yamaha dea- immediately. ler check or replace it. • As the brake pads wear, it is nor-...

  • Page 54: Checking And Lubricating The Throttle Grip And Cable

    EWA00055 Recommended lubricant: If the centerstand does not move up Lithium-soap-based grease and down smoothly, have a Yamaha (all-purpose grease) dealer check or repair it. Recommended lubricant: Lithium-soap-based grease (all-purpose grease)

  • Page 55: Checking The Front Fork

    EC000098 If any damage is found or the front fork does not operate smoothly, have a Yamaha dealer check or repair it. 6-16...

  • Page 56: Checking The Wheel Bearings

    2. Hold the lower ends of the front 2. Panel A fork legs and try to move them 3. Battery forward and backward. If any free play can be felt, have a Yamaha EAUM0049* Battery dealer check or repair the A poorly maintained battery will corrode steering.
  • Page 57 PERIODIC MAINTENANCE AND MINOR REPAIR • NOTE : Batteries produce explosive The electrolyte should be between the hydrogen gas. Therefore, keep minimum and maximum level marks. sparks, flames, cigarettes, etc., UPPER away from the battery and LOWER provide sufficient ventilation 4.

  • Page 58: Replacing The Fuse

    2. Panel A devices operate. necessary. 3. Battery 4. If the fuse immediately blows 3. Fully charge the battery before again, have a Yamaha dealer EAU00809* installation. Replacing the fuse check the electrical system. 4. After installation, make sure that...

  • Page 59: Replacing A Headlight Bulb

    PERIODIC MAINTENANCE AND MINOR REPAIR 6. Connect the headlight coupler and install the front cover. EC000105 Do not touch the glass part of the headlight bulb to keep it free from oil, otherwise the transparency of the glass, the luminosity of the bulb, ZAUM0496 ZAUM0325 and the bulb life will be adversely...

  • Page 60: Replacing A Front Turn Signal Light Bulb

    PERIODIC MAINTENANCE AND MINOR REPAIR ZAUM0498 ZAUM0499 ZAUM0500 1. Screw 1. Screw (x2) 1. Bulb EAU03497* EAU00855* Replacing a front turn signal Replacing a rear turn signal 2. Remove the defective bulb by light bulb light bulb or the tail/brake pushing it in and turning it 1.

  • Page 61: Troubleshooting

    Use only genuine Yamaha replacement parts. Imitation parts may look like Yamaha parts, but they are often inferior, have a shorter service life and can lead to expensive repair bills. 6-22...

  • Page 62: Troubleshooting Chart

    PERIODIC MAINTENANCE AND MINOR REPAIR EAU03473 Troubleshooting chart EW000125 Keep away open flames and do not smoke while checking or working on the fuel system. 1. Fuel There is enough fuel. Check the compression. Check the fuel level in the fuel tank. The engine does not start.

  • Page 63: Scooter Care And Storage

    EAU03434 SCOOTER CARE AND STORAGE Care ....................7-1 Storage ....................7-4...
  • Page 64 SCOOTER CARE AND STORAGE Care Before cleaning Cleaning ECA00011 1. Cover the muffler outlet with a While the open design of a scooter plastic bag after the engine has reveals the attractiveness of the • Avoid using strong acidic wheel cooled down.
  • Page 65 SCOOTER CARE AND STORAGE • Do not use high-pressure After normal use 1. Clean the scooter with cold water washers or steam-jet cleaners Remove dirt with warm water, a mild and a mild detergent after the since they cause water detergent, and a soft, clean sponge, engine has cooled down.
  • Page 66 SCOOTER CARE AND STORAGE EWA00002 After cleaning NOTE : 1. Dry the scooter with a chamois or Consult a Yamaha dealer for advice on • Make sure that there is no oil an absorbing cloth. what products to use. or wax on the brakes or tires. If 2.
  • Page 67 SCOOTER CARE AND STORAGE Storage Long-term d. Turn the engine over several Before storing your scooter for several times with the starter. (This will Short-term months: coat the cylinder wall with oil.) Always store your scooter in a cool, dry 1.
  • Page 68 SCOOTER CARE AND STORAGE 7. Cover the muffler outlet with a plastic bag to prevent moisture from entering it. 8. Remove the battery and fully charge it. Store it in a cool, dry place and charge it once a month. Do not store the battery in an excessively cold or warm place (less than 0 °C or more than 30...

  • Page 69: Specifications

    EAU01038 SPECIFICATIONS Specifications ..................8-1 Conversion table ................. 8-4...
  • Page 70 SPECIFICATIONS Specifications Model CW50RS Final transmission oil: Type SAE 10W30 type SE Dimensions: Quantity 0.11L Overall length 1,746 mm Overall width 675 mm Air filter type: Wet type element Overall height 1,175 mm Fuel: Seat height 803 mm Recommended fuel Regular unleaded gasoline Wheelbase 1,206 mm...
  • Page 71 SPECIFICATIONS Tires: Wheels: Front: Front Type Tubeless Type Cast wheel/Aluminium Size / Manufacturer / model 120/90-10 56J / MICHELIN Size 10 X MT 3.00 / REGGAE Rear Type Cast wheel/aluminium 120/90-10 54J / CHENG SHIN Size 10 X MT 3.50 / C923 Brakes: Rear:...
  • Page 72 SPECIFICATIONS Electrical: Ignition system type C.D.I Charging system Flywheel magneto Battery Model GM4-3B, YB4L-B, FB4-B Voltage/capacity 12 V / 4 Ah Headlight type: Bulb Bulbs (voltage/wattage x quantity): Headlight 12V, 35W/35Wx1 Tail/brake light 12V, 5W/21Wx1 Turn signal light Front 12V, 10Wx2 Rear 12V, 10Wx2 Meter lights...
  • Page 73 SPECIFICATIONS EAU04513 Conversion table...

  • Page 75: Consumer Information

    EAU01039 CONSUMER INFORMATION Identification numbers ................. 9-1 Key identification number ..............9-1 Vehicle identification number .............. 9-1 Model label ..................9-2...
  • Page 76 Identification numbers Record the key identification number, vehicle identification number and model label information in the spaces provided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the vehicle is stolen. ZAUM0070 ZAUM0327 1.
  • Page 77 The model label is affixed to the bottom of the seat. (See page 3-8 for seat opening procedures.) Record the infor- mation on this label in the space provided. This information will be needed when ordering spare parts from a Yamaha dealer.
  • Page 80 YAMAHA MOTOR CO., LTD. PRINTED IN FRANCE 2003.01...

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Cw50rs 2003

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