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  • Page 1 Read this manual carefully before operating this vehicle. OWNER’S MANUAL NS50 NS50N 1PH-F8199-E0...
  • Page 2 EAU46090 Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
  • Page 3 EAU10113 Welcome to the Yamaha world of motorcycling! As the owner of the NS50/NS50N, 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 IMPORTANT MANUAL INFORMATION EAU10133 Particularly important information is distinguished in this manual by the following notations: This is the safety alert symbol. It is used to alert you to potential personal injury hazards. Obey all safety messages that follow this symbol to avoid possible injury or death.
  • Page 5 IMPORTANT MANUAL INFORMATION EAUM1011 NS50/NS50N OWNER’S MANUAL ©2012 by MBK INDUSTRIE 2nd edition, August 2012 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 FOR YOUR SAFETY – Checking the front and rear brake Further safe-riding points ....1-5 PRE-OPERATION CHECKS ..... 4-1 lever free play ......6-14 Checking the front and rear brake DESCRIPTION ........2-1 OPERATION AND IMPORTANT pads ..........
  • Page 7 TABLE OF CONTENTS Storage ...........7-3 SPECIFICATIONS ......8-1 CONSUMER INFORMATION.....9-1 Identification numbers ....9-1...
  • Page 8: Safety Information

    SAFETY INFORMATION ● EAUT1018 Never operate a scooter without automobile driver who did not see proper training or instruction. Take the scooter. Making yourself con- training course. Beginners spicuous appears to be very effec- Be a Responsible Owner should receive training from a cer- tive in reducing the chance of this As the vehicle’s owner, you are respon- tified instructor.
  • Page 9 SAFETY INFORMATION ● Many accidents involve inexperi- • Always signal before turning or Protective Apparel enced operators. In fact, many op- changing lanes. Make sure that The majority of fatalities from scooter erators who have been involved in other motorists can see you. accidents are the result of head inju- accidents do not even have a cur- ●...
  • Page 10 SAFETY INFORMATION ● ● Avoid Carbon Monoxide Poisoning Do not run engine outdoors where Cargo accessory weight All engine exhaust contains carbon engine exhaust can be drawn into should be kept as low and close to monoxide, a deadly gas. Breathing car- a building through openings such the scooter as possible.
  • Page 11 Yamaha accessories, which are avail- characteristics can put you and others effects. Wind may attempt to lift able only from a Yamaha dealer, have at greater risk of serious injury or death. the scooter, or the scooter may been designed, tested, and approved...
  • Page 12: Further Safe-riding Points

    SAFETY INFORMATION Aftermarket Tires and Rims straps carefully so the straps will EAU10373 Further safe-riding points The tires and rims that came with your not rub against painted surfaces ● Be sure to signal clearly when scooter were designed to match the during transport.
  • Page 13 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. Use a strong cord to secure any luggage to the carrier (if equipped).
  • Page 14: Description

    DESCRIPTION EAU10410 Left view NS50N NS50N 1. Coolant reservoir cap (page 6-9) 2. Storage compartment (page 3-12) 3. Air filter element (page 6-10) 4. Kickstarter (page 3-11) 5. Final transmission oil filler cap (page 6-8) 6. Shock absorber assembly spring preload adjusting ring (page 3-13) 7.
  • Page 15: Right View

    DESCRIPTION EAU10420 Right view NS50N 1 2 3 4 1. Grab bar (page 5-2) 9. Centerstand (page 6-17) 2. Fuel tank cap (page 3-8) 3. 2-stroke engine oil tank cap (page 3-8/3-10) 4. Passenger seat (page 3-11) 5. Rider seat (page 3-11) 6.
  • Page 16: Controls And Instruments

    DESCRIPTION EAU10430 Controls and instruments NS50N NS50 1. Rear brake lever (page 3-7) 2. Left handlebar switches (page 3-6) 3. Multi-function display (page 3-4) 4. Right handlebar switch (page 3-6) 5. Throttle grip (page 6-11) 6. Front brake lever (page 3-7) 7.
  • Page 17: Instrument And Control Functions

    INSTRUMENT AND CONTROL FUNCTIONS EAU10461 EAU10661 To lock the steering Main switch/steering lock OFF “ ” All electrical systems are off. The key can be removed. EWA10061 WARNING Never turn the key to “ ” or “ ” while the vehicle is moving. Other- wise the electrical systems will be switched off, which may result in loss of control or an accident.
  • Page 18: Indicator Lights And Warning Light

    INSTRUMENT AND CONTROL FUNCTIONS To unlock the steering EAU11006 EAU11020 Indicator lights and warning Turn signal indicator light “ ” This indicator light flashes when the light turn signal switch is pushed to the left or NS50 right. EAU11080 High beam indicator light “ ”...
  • Page 19: Speedometer Unit (ns50n)

    If this occurs, stop the engine immediately and allow the en- gine oil tank has been refilled, have a gine to cool. Yamaha dealer check the electrical cir- cuit. The electrical circuit of the warning light can be checked by turning the key ECA16291 to “...
  • Page 20: Multi-function Display (ns50)

    INSTRUMENT AND CONTROL FUNCTIONS ● EAUM2821 EWA12312 For the U.K. only: To switch the Multi-function display (NS50) WARNING speedometer and odometer/trip- meter displays between kilometers Be sure to stop the vehicle before and miles, when the main switch is making any setting changes to the multi-function display.
  • Page 21 INSTRUMENT AND CONTROL FUNCTIONS ODO → TRIP → ODO 4. When the minutes digits start flashing, push the “RESET/SE- LECT” button to set the minutes. RESET/ RESET/ RESET/ SELECT SELECT SELECT RESET/ SELECT RESET/ ZAUM0915 SELECT ZAUM0914 To reset a tripmeter, select it by push- If the fuel level warning indicator comes ing the “RESET/SELECT”...
  • Page 22: Handlebar Switches

    When only one segment is dicator will flash alternately. If this oc- EAU1234B Handlebar switches left near “E”, the fuel level warning indi- curs, have a Yamaha dealer check the cator comes on. Refuel as soon as pos- vehicle. Left sible.
  • Page 23: Front Brake Lever

    INSTRUMENT AND CONTROL FUNCTIONS EAU12400 EAU12901 EAU12951 Front brake lever Rear brake lever Dimmer switch “ ” Set this switch to “ ” for the high beam and to “ ” for the low beam. EAU12460 Turn signal switch “ ”...
  • Page 24: Fuel And 2-stroke Engine Oil Tank Caps

    INSTRUMENT AND CONTROL FUNCTIONS EAUM2900 Fuel tank cap To remove the 2-stroke engine oil tank Fuel and 2-stroke engine oil cap, pull it off. tank caps To install the 2-stroke engine oil tank cap, push it into the oil tank opening. EWA10141 WARNING Make sure that the fuel and 2-stroke...
  • Page 25: Fuel

    Never refuel off spilled fuel with a clean, dry, while smoking, or while in the vi- Your Yamaha engine has been de- soft cloth, since fuel may deteri- cinity of sparks, open flames, or signed to use premium unleaded gaso-...
  • Page 26: Catalytic Converter

    INSTRUMENT AND CONTROL FUNCTIONS EAU13433 ECA10701 EAUM1151 Catalytic converter 2-stroke engine oil NOTICE This model is equipped with a catalytic Make sure that there is sufficient oil in Use only unleaded gasoline. The use converter in the exhaust system. the 2-stroke engine oil tank. Add the of leaded gasoline will cause unre- recommended 2-stroke engine oil if EWA10862...
  • Page 27: Kickstarter

    INSTRUMENT AND CONTROL FUNCTIONS EAU37650 EAUM2830 Kickstarter Seats ZAUM0943 1. Open. ZAUM0926 ZAUM0146 1. Kickstarter lever 1. Passenger seat 2. Rider seat Do not push inward when turning the If the engine fails to start by pushing the key. start switch, try to start it by using the Passenger seat kickstarter.
  • Page 28: Storage Compartment

    INSTRUMENT AND CONTROL FUNCTIONS EAUM2800 Storage compartment ZAUM0924 ZAUM0925 1. Passenger seat 1. Rider seat ZAUM0927 1. Storage compartment To close the passenger seat To close the rider seat 1. Fold the passenger seat down, 1. Fold the rider seat down. There is a storage compartment under and then push it down to lock it in 2.
  • Page 29: Adjusting The Shock Absorber Assembly (if Equipped)

    INSTRUMENT AND CONTROL FUNCTIONS ● ● Since the storage compartment Do not leave your scooter unat- EAU14833 Adjusting the shock absorber accumulates heat when ex- tended with the seat open. assembly (if equipped) posed to the sun and/or the en- This shock absorber assembly is gine heat, do not store anything equipped with a spring preload adjust-...
  • Page 30 Cylinder Minimum (soft): damage will result in poor damping performance. Standard: ● Do not dispose of a damaged or Maximum (hard): worn-out shock absorber as- sembly yourself. Take the shock absorber assembly to a Yamaha dealer for any service. 3-14...
  • Page 31: For Your Safety - Pre-operation Checks

    • If necessary, add recommended coolant to specified level. • Check cooling system for leakage. • Check operation. • If soft or spongy, have Yamaha dealer bleed hydraulic system. • Check brake pads for wear. Front brake • Replace if necessary.
  • Page 32 • Make sure that operation is smooth. • Check throttle grip free play. Throttle grip 6-11, 6-17 • If necessary, have Yamaha dealer adjust throttle grip free play and lubricate cable and grip housing. • Check for damage. • Check tire condition and tread depth.
  • Page 33: Operation And Important Riding Points

    NOTICE become familiar with all controls. If there is a control or function you do not See page 5-3 for engine break-in in- understand, ask your Yamaha dealer. structions prior to operating the ve- EWA10271 hicle for the first time.
  • Page 34: Starting Off

    OPERATION AND IMPORTANT RIDING POINTS EAU16761 EAU16780 EAU16793 Starting off Acceleration and deceleration Braking EWA10300 WARNING Before starting off, allow the engine to ● Avoid braking hard or suddenly warm up. (especially when leaning over to 1. While pulling the rear brake lever one side), otherwise the scooter with your left hand and holding the may skid or overturn.
  • Page 35: Tips For Reducing Fuel Consumption

    OPERATION AND IMPORTANT RIDING POINTS EAU16820 EAU16830 Tips for reducing fuel con- Engine break-in sumption There is never a more important period in the life of your engine than the period Fuel consumption depends largely on between 0 and 1000 km (600 mi). For your riding style.
  • Page 36: Parking

    If any engine trouble should occur park in a place where pedestri- during the engine break-in period, ans or children are not likely to immediately have a Yamaha dealer touch them and be burned. check the vehicle. ● Do not park on a slope or on soft...
  • Page 37: Periodic Maintenance And Adjustment

    To avoid possible burns, let tivities incorrectly may increase brake components cool before your risk of injury or death during touching them. service or while using the vehicle. If you are not familiar with vehicle ser- vice, have a Yamaha dealer perform service.
  • Page 38: Periodic Maintenance Chart For The Emission Control System

    ● From 30000 km (17500 mi), repeat the maintenance intervals starting from 6000 km (3500 mi). ● Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. EAU46920 Periodic maintenance chart for the emission control system...
  • Page 39: General Maintenance And Lubrication Chart

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU17718 General maintenance and lubrication chart ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 6000 km 12000 km 18000 km 24000 km CHECK (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) √ √...
  • Page 40 PERIODIC MAINTENANCE AND ADJUSTMENT ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 6000 km 12000 km 18000 km 24000 km CHECK (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) • Check bearing for looseness or √ √...
  • Page 41 PERIODIC MAINTENANCE AND ADJUSTMENT ODOMETER READING ANNUAL ITEM CHECK OR MAINTENANCE JOB 1000 km 6000 km 12000 km 18000 km 24000 km CHECK (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) Front and rear brake √ √ √ √...
  • Page 42: Removing And Installing The Cowling And Panel

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU18741 Removing and installing the cowling and panel The cowling and panel shown need to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time the cowling or panel needs to be re- moved and installed.
  • Page 43: Checking The Spark Plug

    Clean the surface of the spark plug such problems yourself. Instead, have gasket and its mating surface, and then a Yamaha dealer check the vehicle. wipe off any grime from the spark plug If the spark plug shows signs of elec- threads.
  • Page 44: Final Transmission Oil

    [EWA11311] checked for oil leakage before each ride. If any leakage is found, have a Recommended final transmission Yamaha dealer check and repair the oil: See page 8-1. scooter. In addition, the final transmis- Oil quantity: sion oil must be changed as follows at 0.11 L (0.12 US qt, 0.10 Imp.qt)
  • Page 45: Coolant

    If water has been before each ride. In addition, the cool- added to the coolant, have a ant must be changed at the intervals Yamaha dealer check the anti- specified in the periodic maintenance freeze content of the coolant as and lubrication chart.
  • Page 46: Cleaning The Air Filter Element

    [ECA10511] nance and lubrication chart. Have a maintenance and lubrication chart. Yamaha dealer change the coolant. Clean the air filter element more fre- WARNING! Never attempt to remove quently if you are riding in unusually the radiator cap when the engine is wet or dusty areas.
  • Page 47: Adjusting The Carburetor

    Periodi- [ECA10481] cally check the throttle grip free play 5. Install the air filter case cover by in- and, if necessary, have a Yamaha deal- stalling the screws. er adjust it. 6-11...
  • Page 48: Tires

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU21876 EWA10503 Tire air pressure (measured on cold Tires WARNING tires): Tires are the only contact between the Operation of this vehicle with im- 0–90 kg (0–198 lb): vehicle and the road. Safety in all con- Front: proper tire pressure may cause se- ditions of riding depends on a relatively...
  • Page 49 2. Tire sidewall ed below have been approved for this necessary professional knowl- The tires must be checked before each model by Yamaha Motor Co., Ltd. edge and experience to do so. ride. If the center tread depth reaches ●...
  • Page 50: Cast Wheels

    Periodically check the brake le- ity, and safe operation of your vehicle, ver free play and, if necessary, have a Front note the following points regarding the Yamaha dealer check the brake sys- specified wheels. tem. ● The wheel rims should be checked...
  • Page 51: Checking The Front And Rear Brake Pads

    EAU22581 Checking the front and rear Checking the brake fluid level peared, have a Yamaha dealer replace brake pads Before riding, check that the brake fluid the brake pads as a set. is above the minimum level mark.
  • Page 52: Changing The Brake Fluid

    As the brake pads wear, it is normal for EAUM1360 Changing the brake fluid low air to enter the brake sys- the brake fluid level to gradually go Have a Yamaha dealer change the tem, reducing braking down. A low brake fluid level may indi- brake fluid at the intervals specified in performance.
  • Page 53: Checking And Lubricating The Throttle Grip And Cable

    The operation of the throttle grip should be checked before each ride. In addi- tion, the cable should be lubricated by a Yamaha dealer at the intervals speci- fied in the periodic maintenance chart. The throttle cable is equipped with a rubber cover.
  • Page 54: Checking The Front Fork

    If any damage is found or the front face and hold it in an upright posi- fork does not operate smoothly, tion. WARNING! To avoid injury, have a Yamaha dealer check or re- securely support the vehicle so pair it. there is no danger of it falling over.
  • Page 55: Checking The Steering

    If any free hub or if the wheel does not turn level, battery lead connections and play can be felt, have a Yamaha smoothly, have a Yamaha dealer check breather hose routing should be dealer check or repair the steering.
  • Page 56 PERIODIC MAINTENANCE AND ADJUSTMENT ● distilled water, as tap water con- KEEP THIS AND ALL BATTER- tains minerals that are harmful IES OUT OF THE REACH OF Make sure that the scooter is posi- to the battery. CHILDREN. [ECA10611] tioned straight up when checking the EWA10760 electrolyte level.
  • Page 57: Replacing The Fuse

    4. If the fuse immediately blows such a way that the frame is ex- again, have a Yamaha dealer posed to electrolyte or gas ex- check the electrical system. pelled from the battery, the...
  • Page 58: Replacing The Headlight Bulb

    It is advisable to have a Yamaha be adversely affected. Thor- dealer perform this job. oughly clean off any dirt and fin- 1.
  • Page 59: Replacing The Tail/brake Light Bulb

    Replacing the tail/brake light Replacing a turn signal light 9. Install the cowling. bulb bulb 10. Have a Yamaha dealer adjust the 1. Remove the tail/brake light lens by 1. Remove the turn signal light lens headlight beam if necessary. removing the screws.
  • Page 60: License Plate Light

    If the license plate light does not come bulb (if equipped) wise until it stops. on, have a Yamaha dealer check the If the auxiliary light bulb burns out, re- 4. Install the lens by installing the electrical circuit or replace the bulb.
  • Page 61: Troubleshooting

    5. Insert a new bulb into the socket. self. However, should your scooter re- 6. Install the socket (together with the quire any repair, take it to a Yamaha bulb) by pushing it in. dealer, whose skilled technicians have 7. Install the cowling.
  • Page 62: Troubleshooting Charts

    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 63 Start the engine. If the engine overheats again, have a The coolant level Yamaha dealer check and repair the cooling system. is OK. If coolant is not available, tap water can be temporarily used instead, provided that it is changed to the recommended coolant as soon as possible.
  • Page 64: Scooter Care And Storage

    Cleaning Rust and corrosion can develop even if matte colored finished parts. Be ECA10783 sure to consult a Yamaha dealer for high-quality components are used. A NOTICE advice on what products to use be- rusty exhaust pipe may go unnoticed ●...
  • Page 65 SCOOTER CARE AND STORAGE off any detergent residue using Test the product on a small hid- plenty of water, as it is harmful den part of the windshield to Salt sprayed on roads in the winter may to plastic parts. make sure that it does not leave remain well into spring.
  • Page 66: Storage

    WARNING with a tarp, while it is still wet, ● Contaminants on the brakes or tires Consult a Yamaha dealer for ad- will allow water and humidity to can cause loss of control. vice on what products to use. seep in and cause rust.
  • Page 67 SCOOTER CARE AND STORAGE 2. Drain the carburetor float chamber spark plug electrodes while °C (90 °F)]. For more information by loosening the drain bolt; this will turning the engine over. on storing the battery, see page prevent fuel deposits from building 6-19.
  • Page 68: Specifications

    SPECIFICATIONS Dimensions: Lubrication system: Spark plug(s): Separate lubrication (Yamaha autolube) Overall length: Manufacturer/model: Engine oil: 1870 mm (73.6 in) NGK/BR8HS Overall width: Type: Spark plug gap: NS50 700 mm (27.6 in) YAMALUBE 2S or 2-stroke engine oil 0.6–0.7 mm (0.024–0.028 in) NS50N 725 mm (28.5 in)
  • Page 69 SPECIFICATIONS Manufacturer/model: Rear: Rear suspension: SAVA/ MC 16 220 kPa (2.20 kgf/cm², 32 psi) Type: Manufacturer/model: Front wheel: Unit swing METZELER/ ME 7 TEEN Wheel type: Spring/shock absorber type: Rear tire: Cast wheel Coil spring/oil damper Type: Rim size: Wheel travel: Tubeless 13xMT3.00 70.0 mm (2.76 in)
  • Page 70 SPECIFICATIONS High beam indicator light: Oil level warning light: Turn signal indicator light: Fuel level warning light: Coolant temperature warning light: Fuses: Main fuse: 7.5 A...
  • Page 71: Consumer Information

    Model label Record the vehicle identification num- ber 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. VEHICLE IDENTIFICATION NUMBER: ZAUM0942 ZAUM0287 1.
  • Page 72 INDEX Front fork, checking ......6-18 Seats ............. 3-11 Fuel............3-9 Shock absorber assembly, 2-stroke engine oil......... 3-10 Fuel and 2-stroke engine oil tank caps... 3-8 adjusting (if equipped) ......3-13 Fuel consumption, tips for reducing..5-3 Spark plug, checking.......6-7 Acceleration and deceleration....
  • Page 74 MBK Industrie Z.I. de Rouvroy 02100 Saint Quentin PRINTED IN FRANCE 2013.02 (E)

This manual is also suitable for:

Aerox ns50nAerox r ns50Aerox r ns50n

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