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YAMAHA BWS CW50 Owner's Manual

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CW50 / CW50L / CW50N


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  • Page 1 OWNER’S MANUAL CW50 / CW50L / CW50N 2B6-F8199-E0...
  • Page 3 Welcome to the Yamaha world of motorcycling! As the owner of the CW50/CW50L/CW50N, you are benefiting from Yamaha’s vast experience and newest technology re- garding the design and manufacture of high-quality products, which have earned Yamaha a reputation for dependability.
  • Page 4 This manual should be considered a permanent part of this scooter and should remain with it even if the scooter is sub- sequently 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.
  • Page 5 IMPORTANT MANUAL INFORMATION EAUM1010 CW50/CW50L/CW50N OWNER’S MANUAL ©2004 by MBK INDUSTRIE 1st edition, February 2004 All rights reserved Any reprinting or unauthorized use without the written permission of MBK INDUSTRIE is expressly prohibited. Printed in France.
  • Page 6: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION ....1-1 PRE-OPERATION CHECKS ..... 4-1 Adjusting the rear brake lever Further safe-riding points ....1-4 Pre-operation check list ....4-2 free play ........6-12 Checking the front brake pads DESCRIPTION ........2-1 OPERATION AND IMPORTANT and rear brake shoes ....6-13 Left view ..........2-1 RIDING POINTS.........
  • Page 7 TABLE OF CONTENTS SPECIFICATIONS ......8-1 CONSUMER INFORMATION.....9-1 Identification numbers ....9-1...
  • Page 8: Safety Information

    SAFETY INFORMATION EAU10260 Safe riding Many accidents involve inexperi- Always make pre-operation enced operators. In fact, many op- SCOOTERS ARE SINGLE TRACK checks. Careful checks may help erators who have been involved in VEHICLES. THEIR SAFE USE AND prevent an accident. accidents do not even have a cur- OPERATION DEPENDENT...
  • Page 9 Modifications made to this scooter not other motorists can see you. accidents are the result of head inju- approved by Yamaha, or the removal of The posture of the operator and ries. The use of a safety helmet is the...
  • Page 10 Gasoline and exhaust gas been specifically designed for use on lightweight as possible and GASOLINE IS HIGHLY FLAMMA- this scooter. Since Yamaha cannot test should be kept to a minimum. BLE: all other accessories that may be avail- • Bulky or large accessories may •...
  • Page 11: Further Safe-riding Points

    SAFETY INFORMATION Never start the engine or let it run eyes, see your doctor immediately. EAU10370 Further safe-riding points for any length of time in a closed If any gasoline spills on your skin Be sure to signal clearly when area.
  • Page 12 SAFETY INFORMATION 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 scoot- er is unstable.
  • Page 13: Description

    DESCRIPTION EAU10410 Left view CW50N CW50L 1. Rear brake lever (page 3-6) 10.Shock absorber assembly spring preload adjusting ring (CW50L model only) (page 3-10) 2. Speedometer unit (page 3-3) 3. Left handlebar switches (page 3-5) 4. Kickstarter (page 3-8) 5. Air filter element (page 6-8) 6.
  • Page 14: Right View

    DESCRIPTION EAU10420 Right view CW50N 1. Grab bar (page 5-2) 2. Oil tank cap (page 3-6) 3. Fuel tank cap (page 3-6) 4. Throttle grip (page 6-9) 5. Right handlebar switch (page 3-5) 6. Front brake lever (page 3-5) 7. Luggage hook (page 3-10) 8.
  • Page 15: Instrument And Control Functions

    INSTRUMENT AND CONTROL FUNCTIONS EAU10460 EAU10660 EWA10060 Main switch/steering lock OFF “ ” WARNING All electrical systems are off. The key Never turn the key to “ ” or “ ” can be removed. while the vehicle is moving, other- wise the electrical systems will be EAU10670 CHECK “...
  • Page 16: Indicator And Warning Lights

    2-stroke en- Turn signal indicator light “ ” gine oil tank has been refilled, have a (CW50N) Yamaha dealer check the electrical cir- This indicator light flashes when the cuit. turn signal switch is pushed to the left or right.
  • Page 17: Speedometer Unit (cw50/cw50l)

    Do not operate the vehicle until you Turn the key to “ ”. If the warning light know that the engine oil level is suf- does not come on, have a Yamaha ficient. dealer check the electrical circuit. EAUM1570 Fuel level warning light “ ”...
  • Page 18: Speedometer Unit (cw50n)

    INSTRUMENT AND CONTROL FUNCTIONS The speedometer unit is equipped with EAUM1590 EAU12110 Speedometer unit (CW50N) Fuel gauge (CW50/CW50L) a speedometer and an odometer. The speedometer shows riding speed. The 1 2 3 odometer shows the total distance trav- eled. ZAUM0556 ZAUM0523 1.
  • Page 19: Handlebar Switches

    INSTRUMENT AND CONTROL FUNCTIONS EAU12342 EAU12400 EAU12900 Handlebar switches Dimmer switch “ ” Front brake lever Set this switch to “ ” for the high Left beam and to “ ” for the low beam. EAU12460 Turn signal switch “ ”...
  • Page 20: Rear Brake Lever

    INSTRUMENT AND CONTROL FUNCTIONS EAU12950 EAU13200 To install the 2-stroke engine oil tank Rear brake lever Fuel and 2-stroke engine oil cap, push it into the oil tank opening. tank caps EWA10140 WARNING The fuel tank cap and the 2-stroke en- gine oil tank cap are located under the Make sure that the fuel and 2-stroke seat.
  • Page 21: Fuel

    Your Yamaha engine has been de- or other materials that easily Avoid spilling fuel on the hot en- signed to use regular unleaded gaso- burn.
  • Page 22: 2-stroke Engine Oil

    INSTRUMENT AND CONTROL FUNCTIONS EAU13460 EAUS1050 EAUT1040 2-stroke engine oil Kickstarter Securing bracket Make sure that there is sufficient oil in the 2-stroke engine oil tank. Add the recommended 2-stroke engine oil if necessary. NOTE: Make sure that the 2-stroke engine oil tank cap is properly installed.
  • Page 23: Seat

    INSTRUMENT AND CONTROL FUNCTIONS EAU13930 EAUM1580 Seat Anti-theft device housing To open the seat 1. Place the scooter on the center- stand. 2. Insert the key into the main switch, and then turn it counterclockwise. ZAUM0558 1. Fold the seat up. ZAUM0561 1.
  • Page 24: Luggage Hook

    INSTRUMENT AND CONTROL FUNCTIONS EAUT1070 EAU14830 crease the spring preload and thereby Luggage hook Adjusting the shock absorber soften the suspension, turn the adjust- assembly (CW50L model only) ing ring in direction (b). NOTE: Align the appropriate notch in the ad- justing ring with the position indicator on the shock absorber.
  • Page 25 Do not deform or damage the gas cylinder in any way, as this will result in poor damping per- formance. Always have a Yamaha dealer service the shock absorber. 3-11...
  • Page 26: Pre-operation Checks

    PRE-OPERATION CHECKS EAU15591 The condition of a vehicle is the owner’s responsibility. Vital components can start to deteriorate quickly and unexpectedly, even if the vehicle remains unused (for example, as a result of exposure to the elements). Any damage, fluid leakage or loss of tire air pressure could have serious consequences.
  • Page 27: Pre-operation Check List

    • Make sure that operation is smooth. • Check cable free play. Throttle grip 6-9, 6-15 • If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing. • Check for damage. • Check tire condition and tread depth.
  • Page 28 PRE-OPERATION CHECKS ITEM CHECKS PAGE • Make sure that all nuts, bolts and screws are properly tightened. Chassis fasteners — • Tighten if necessary. Instruments, lights, signals • Check operation. — and switches • Correct if necessary. • Check fluid level. Battery 6-18 •...
  • Page 29: Operation And Important Riding Points

    If the engine does If the oil level warning light does not not start with the starter motor, try using come on, have a Yamaha dealer the kickstarter. check the electrical circuit. 2. Close the throttle completely.
  • Page 30: Starting Off

    OPERATION AND IMPORTANT RIDING POINTS ECA11040 EAU16760 EAU16780 Starting off Acceleration and deceleration CAUTION: For maximum engine life, never ac- NOTE: celerate hard when the engine is Before starting off, allow the engine to cold! warm up. 1. While pulling the rear brake lever with your left hand and holding the grab bar with your right hand, push the scooter off the centerstand.
  • Page 31: Braking

    OPERATION AND IMPORTANT RIDING POINTS EAU16791 down when approaching such EAU16820 Braking Tips for reducing fuel areas and cross them with cau- 1. Close the throttle completely. consumption tion. 2. Apply both front and rear brakes Fuel consumption depends largely on Keep in mind that braking on a simultaneously while gradually in- your riding style.
  • Page 32: Engine Break-in

    If any engine trouble should occur throttle. during the engine break-in period, After every hour of operation, stop the immediately have a Yamaha dealer engine, and then let it cool for five to ten check the vehicle. minutes. Vary the engine speed from time to time.
  • Page 33: Periodic Maintenance And Minor Repair

    The most important points of scooter inspection, adjustment, and lu- brication are explained on the following pages. EWA10320 WARNING If you are not familiar with mainte- nance work, have a Yamaha dealer do it for you.
  • Page 34: Periodic Maintenance And Lubrication Chart

    The annual checks must be performed every year, except if a kilometer-based maintenance is performed in- stead. From 30000 km, repeat the maintenance intervals starting from 6000 km. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. ODOMETER READING (× 1000 km)
  • Page 35 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (× 1000 km) ANNUAL ITEM CHECK OR MAINTENANCE JOB CHECK • Check tread depth and for damage. • Replace if necessary. √ √ √ √ √ 9 * Tires • Check air pressure. •...
  • Page 36 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (× 1000 km) ANNUAL ITEM CHECK OR MAINTENANCE JOB CHECK • Check operation and free play. Throttle grip housing √ √ √ √ √ 22 * • Adjust the throttle cable free play if necessary. and cable •...
  • Page 37: Removing And Installing The Cowling And Panels

    PERIODIC MAINTENANCE AND MINOR REPAIR EAU18720 To install the cowling EAU19210 Removing and installing the Panel B Place the cowling in the original posi- cowling and panels tion, and then install the screws. To remove the panel The cowling and panels shown above need to be removed to perform some of NOTE: EAU19272...
  • Page 38: Checking The Spark Plug

    1/4–1/2 turn periodically, preferably by a Yamaha past finger tight. However, the spark dealer. Since heat and deposits will plug should be tightened to the speci- cause any spark plug to slowly erode, it fied torque as soon as possible.
  • Page 39: Final Transmission Oil

    If any leakage is found, have a case. Yamaha dealer check and repair the Make sure that no oil gets on the scooter. In addition, the final transmis- tire or wheel.
  • Page 40: Cleaning The Air Filter Element

    PERIODIC MAINTENANCE AND MINOR REPAIR EAUM1640 Cleaning the air filter element The air filter element should be cleaned at the intervals specified in the periodic maintenance and lubrication chart. Clean the air filter element more fre- quently if you are riding in unusually wet or dusty areas.
  • Page 41: Adjusting The Carburetor

    ZAUM0051 1. Throttle cable free play The throttle cable free play should mea- sure 1.5–3.0 mm (0.06–0.12 in) at the throttle grip. Periodically check the throttle cable free play and, if neces- sary, have a Yamaha dealer adjust it.
  • Page 42: Tires

    PERIODIC MAINTENANCE AND MINOR REPAIR EAU21870 The tire air pressure must be ad- NEVER OVERLOAD THE VEHI- Tires justed in accordance with the CLE! Operation of an overload- To maximize the performance, durabil- riding speed and with the total ed vehicle may result in tire ity, and safe operation of your vehicle, weight of rider, passenger, car- damage, loss of control, or se-...
  • Page 43 CW50N 150/80-10 65L Manufacturer/model: glass fragments in it, or if the sidewall is CW50 PIRELLI / SL90 cracked, have a Yamaha dealer re- CW50L PIRELLI / SL26 place the tire immediately. CW50N PIRELLI / SL90 Minimum tire tread depth (front and...
  • Page 44: Cast Wheels

    The wheel rims should be checked for cracks, bends or warpage be- fore each ride. If any damage is found, have a Yamaha dealer re- place the wheel. Do not attempt even the smallest repair to the ZAUM0107 ZAUM0108 wheel.
  • Page 45: Checking The Front Brake Pads And Rear Brake Shoes

    Check each front brake pad for dam- point that the wear indicator reaches age and measure the lining thickness. If the wear limit line, have a Yamaha a brake pad is damaged or if the lining dealer replace the brake shoes as a thickness is less than 2 mm (0.08 in),...
  • Page 46: Checking The Brake Fluid Level

    ZAUM0568 handlebars. brake fluid level goes down sud- 1. Minimum level mark Use only the recommended quality denly, have a Yamaha dealer Front brake (CW50N) brake fluid, otherwise the rubber check the cause. seals may deteriorate, causing leakage and poor braking perfor- mance.
  • Page 47: Changing The Brake Fluid

    EAU23100 EAU23110 Changing the brake fluid Checking and lubricating the Checking and lubricating the Have a Yamaha dealer change the cables throttle grip and cable brake fluid at the intervals specified in The operation of all control cables and The operation of the throttle grip should...
  • Page 48: Lubricating The Front And Rear Brake Levers

    2. While applying the front brake, WARNING push down hard on the handlebars If the centerstand does not move up several times to check if the front and down smoothly, have a Yamaha fork compresses and rebounds dealer check or repair it. smoothly. Recommended lubricant:...
  • Page 49: Checking The Steering

    If any damage is found or the front fork does not operate smoothly, Securely support the vehicle so that have a Yamaha dealer check or re- there is no danger of it falling over. pair it. 2. Hold the lower ends of the front fork legs and try to move them for- ward and backward.
  • Page 50: Checking The Wheel Bearings

    If there is play in the wheel 2. Remove panel B. (See page 6-5.) hub or if the wheel does not turn 3. Check the electrolyte level in the smoothly, have a Yamaha dealer check battery. the wheel bearings. NOTE:...
  • Page 51 PERIODIC MAINTENANCE AND MINOR REPAIR EWA10760 KEEP THIS AND ALL BATTER- that the breather hose is properly WARNING IES OUT OF THE REACH OF routed, in good condition, and not Electrolyte is poisonous and CHILDREN. obstructed. dangerous since it contains sul- ECA10600 ECA10610 CAUTION:...
  • Page 52: Replacing The Fuse

    ZAUM0570 4. If the fuse immediately blows 1. Battery again, have a Yamaha dealer 2. Fuse check the electrical system. The fuse holder is located behind panel B. (See page 6-5.) If the fuse is blown, replace it as fol- lows.
  • Page 53: Replacing The Tail/brake Light Bulb

    Do not overtighten the screws, oth- erwise the lens may break. 4. Place a new bulb into position, and then secure it with the bulb holder. 5. Install the cowling. 6. Have a Yamaha dealer adjust the headlight beam if necessary. 6-21...
  • Page 54: Replacing A Turn Signal Light Bulb

    The following troubleshooting chart represents a quick and easy procedure for checking these vital systems your- self. However, should your scooter re- quire any repair, take it to a Yamaha ZAUM0589 dealer, whose skilled technicians have 1. Screw the necessary tools, experience, and 2.
  • Page 55: Troubleshooting Chart

    Remove the spark plug and check the electrodes. The engine does not start. Have a Yamaha dealer check the vehicle. Check the battery. 4. Battery The engine turns over The battery is good.
  • Page 56: Scooter Care And Storage

    SCOOTER CARE AND STORAGE EAU26090 ucts onto seals, gaskets and wheel thinner, fuel (gasoline), rust re- Care axles. Always rinse the dirt and de- movers or inhibitors, brake flu- While the open design of a scooter re- greaser off with water. id, antifreeze or electrolyte.
  • Page 57 SCOOTER CARE AND STORAGE After normal use ECA10790 5. Touch up minor paint damage CAUTION: Remove dirt with warm water, a mild caused by stones, etc. detergent, and a soft, clean sponge, 6. Wax all painted surfaces. Do not use warm water since it in- and then rinse thoroughly with clean 7.
  • Page 58: Storage

    Always store your scooter in a cool, dry NOTE: fuel tank. place and, if necessary, protect it Consult a Yamaha dealer for advice on 3. Fill up the fuel tank and add fuel against dust with a porous cover. what products to use.
  • Page 59 SCOOTER CARE AND STORAGE EWA10950 more than 30 °C (90 °F)]. For more WARNING information on storing the battery, To prevent damage or injury from see page 6-18. sparking, make sure to ground the NOTE: spark plug electrodes while turning Make any necessary repairs before the engine over.
  • Page 60: Specifications

    SPECIFICATIONS Dimensions: Lubrication system: Spark plug(s): Separate lubrication (Yamaha autolube) Overall length: Manufacturer/model: Engine oil: 1685 mm (66.3 in) NGK / BR8HS Overall width: Type: Spark plug gap: 754 mm (29.7 in) YAMALUBE 2-cycle oil or 2-stroke engine 0.6–0.7 mm (0.024–0.028 in)
  • Page 61 SPECIFICATIONS Size: Front: Spring/shock absorber type: CW50 120/90-10 57L 150 kPa (22 psi) (1.50 kgf/cm²) Coil spring/oil damper CW50L 120/70-12 51J Rear: Wheel travel: CW50N 120/90-10 57L 150 kPa (22 psi) (1.50 kgf/cm²) 70.0 mm (2.76 in) Manufacturer/model: Front wheel: Rear suspension: CW50 PIRELLI / SL90 Wheel type:...
  • Page 62 SPECIFICATIONS Rear turn signal light: 12 V, 10.0 W x 2 Meter lighting: CW50 12 V, 1.2 W x 3 CW50L 12 V, 1.2 W x 3 CW50N LED High beam indicator light: CW50 12 V, 2.0 W x 1 CW50L 12 V, 2.0 W x 1 CW50N LED Oil level warning light:...
  • Page 63: Consumer Information

    Record the key identification number, vehicle identification number and mod- el label information in the spaces pro- vided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the vehi- cle is stolen. KEY IDENTIFICATION NUMBER:...
  • Page 64 1. Model label The model label is affixed to the bottom of the seat. (See page 3-9.) Record the information on this label in the space provided. This information will be need- ed when ordering spare parts from a Yamaha dealer.
  • Page 65 INDEX Fuel level warning light (CW50N)....3-3 Shock absorber assembly, adjusting Fuse, replacing........6-20 (CW50L model only)......3-10 Acceleration and deceleration ....5-2 Spark plug, checking ......6-6 Air filter element, cleaning ...... 6-8 Specifications.......... 8-1 Anti-theft device housing ......3-9 Handlebar switches .........3-5 Speedometer unit (CW50/CW50L) ..

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  • Jose Del Carmmen Sep 27, 2016 04:39:
    Ive looking for thus manual, thank you very much, its really handy