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Read this manual carefully before operating this vehicle.
OWNER'S MANUAL
YN50FU
-F8199-E

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Summary of Contents for Yamaha NEO'S YN50FU

  • Page 1 Read this manual carefully before operating this vehicle. OWNER’S MANUAL YN50FU -F8199-E...
  • 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 YN50F, 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 EAU10132 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 EAUS1172 YN50F OWNER’S MANUAL ©201 1st edition, All rights reserved. Any reprinting or unauthorized use without the written permission of is expressly prohibited. Printed in...
  • Page 6: Table Of Contents

    TABLE OF CONTENTS Starting off ........5-2 Checking the front brake pads SAFETY INFORMATION .....1-1 Further safe-riding points ....1-5 Acceleration and deceleration ..5-2 and rear brake shoes ....6-17 Braking..........5-3 Checking the brake fluid level ..6-18 Tips for reducing fuel Changing the brake fluid ....6-19 DESCRIPTION........2-1 Left view ...........2-1 consumption........5-3...
  • 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 EAUT1016 each time you use the vehicle to through intersections, since Be a Responsible Owner make sure it is in safe operating con- intersections are the most As the vehicle’s owner, you are res- dition. Failure to inspect or maintain likely places for scooter acci- ponsible for the safe and proper ope- the vehicle properly increases the...
  • Page 9 SAFETY INFORMATION due to excessive speed or under- Never ride under the influence of feet. The engine or exhaust sys- cornering (insufficient lean angle alcohol or other drugs. tem become very hot during or for the speed). • This scooter is designed for after operation and can cause •...
  • Page 10 Yamaha accessories, which are avai- possible on both sides of the of the scooter is changed. To avoid lable only from a Yamaha dealer, have scooter to minimize imbalance or the possibility of an accident, use been designed, tested, and approved instability.
  • Page 11: Specifications

    SAFETY INFORMATION modifications not specifically recom- does not in any way reduce improper position limits the fre- mended by Yamaha, even if sold and ground clearance or cornering edom of movement of the installed by a Yamaha dealer. clearance, limit suspension tra-...
  • Page 12: Further Safe-Riding Points

    SAFETY INFORMATION Remove all loose items from the EAU10372 Always wear a helmet, gloves, Further safe-riding points scooter. trousers (tapered around the cuff Be sure to signal clearly when Point the front wheel straight and ankle so they do not flap), making turns.
  • Page 13: Description

    DESCRIPTION EAU10410 Left view 1. Storage compartment (page 3-12) 2. Final transmission oil filler cap (page 6-11) 3. Brake lever free play adjusting nut (page 6-17) 4. Final transmission oil drain bolt (page 6-11) 5. Kickstarter (page 3-11) 6. Air filter element (page 6-13) 7.
  • Page 14: Right View

    DESCRIPTION EAU10420 Right view 1. Grab bar (page 5-2) 9. Coolant reservoir (page 6-12) 2. Fuel tank cap (page 3-8) 10. Engine oil dipstick (page 6-8) 3. Seat (page 3-11) 11. Centerstand (6-21) 4. Battery (page 6-23) 5. Fuses (page 6-24) 6.
  • Page 15: Controls And Instruments

    DESCRIPTION EAU10430 Controls and instruments 1. Rear brake lever (page 3-7) 2. Left handlebar switches (page 3-6) 3. Multi-function display (page 3-3) 4. Right handlebar switch (page 3-6) 5. Throttle grip (page 6-14) 6. Front brake lever (page 3-7)
  • Page 16: Instrument And Control Functions

    INSTRUMENT AND CONTROL FUNCTIONS EAU10460 EAU10661 To lock the steering Main switch/steering lock All electrical systems are off. The key can be removed. EWA10061 WARNING Never turn the key to “OFF” or “LOCK” while vehicle moving. Otherwise the electrical systems will be switched off, which may result in loss of control or an 1.
  • Page 17: Indicator And Warning Lights

    “ON”, or if the warning light remains 3. Turn signal indicator light “ ” “OFF” while still pushing it. on, have a Yamaha dealer check the 4. Fuel level warning light “ ” electrical circuit. 5. Engine trouble warning light “...
  • Page 18: Multi-Function Display

    “ON”, or if the warning light remains key to “ON”. The warning light should on, have a Yamaha dealer check the come on for a few seconds, and then electrical circuit. go off.
  • Page 19 INSTRUMENT AND CONTROL FUNCTIONS All LCD segments and warning 3. To change the minutes digits, lights come on and then go off. Be sure to turn the key to “ON” push the button for at least three before using the button. seconds.
  • Page 20 INSTRUMENT AND CONTROL FUNCTIONS Odometer and tripmeter modes Pushing the button switches the dis- play between the odometer mode “ODO” and the tripmeter “TRIP” in the following order: RESET/ RESET/ SELECT SELECT TRIP RESET/ SELECT To reset a tripmeter, select it by pus- hing the button, and then push it Fuel gauge RESET/...
  • Page 21: Handlebar Switches

    To signal a right-hand turn, push this ning indicator will flash. If this occurs, switch to “ ”. To signal a left-hand have a Yamaha dealer check the vehi- turn, push this switch to “ ”. When cle. released, the switch returns to the center position.
  • Page 22: Front Brake Lever

    INSTRUMENT AND CONTROL FUNCTIONS EAUS2010 EAUS1960 Front brake lever Rear brake lever As the unified brake system is mechanical, additional free play can be felt in the front brake lever when the rear brake lever is being pulled. The unified brake system does not function when the front brake is applied alone.
  • Page 23: Fuel Tank Cap

    INSTRUMENT AND CONTROL FUNCTIONS EAU13192 To install the fuel tank cap EAU13221 Fuel tank cap Fuel 1. Insert the fuel tank cap into the Make sure there is sufficient gasoline tank opening and turn it clockwi- in the tank. EWA10881 WARNING Gasoline and gasoline vapors are extremely flammable.
  • Page 24 Gasoline is poisonous and can cau- tem. se injury or death. Handle gasoline Your Yamaha engine has been desig- with care. Never siphon gasoline by ned to use regular unleaded gasoline mouth. If you should swallow some...
  • Page 25: Fuel Tank Breather/Overflow Hose

    INSTRUMENT AND CONTROL FUNCTIONS EAU39451 EAU13433 ECA10701 NOTICE Fuel tank breather/overflow Catalytic converter This model is equipped with a cataly- hose Use only unleaded gasoline. The tic converter in the exhaust system. use of leaded gasoline will cause unrepairable damage to the cataly- EWA10862 tic converter.
  • Page 26: Kickstarter

    INSTRUMENT AND CONTROL FUNCTIONS EAU13680 EAU13932 Kickstarter Seat To open the seat 1. Place the scooter on the centers- tand. 2. Insert the key into the main switch, and then turn it counter- clockwise to “OPEN”. 1. Seat open position To close the seat 1.
  • Page 27: Storage Compartment

    INSTRUMENT AND CONTROL FUNCTIONS EAUM1191 ECA10080 NOTICE Storage compartment Some helmets cannot be stored Keep the following points in mind in the storage compartment when using the storage compart- because of their size or shape. ment. Do not leave your scooter unat- Since the storage compart- tended with the seat open.
  • Page 28: Luggage Hook

    INSTRUMENT AND CONTROL FUNCTIONS EAUT1072 Luggage hook EWAT1031 WARNING Do not exceed the load limit of 3 kg (6.6 lb) for the luggage hook. Do not exceed the maximum load of 163 kg (359 lb) for the vehicle. 1. Luggage hook 3-13...
  • Page 29: For Your Safety - Pre-Operation Checks

    Do not operate the vehicle if you find any problem. If a problem cannot be corrected by the procedures pro- vided in this manual, have the vehicle inspected by a Yamaha dealer. Before using this vehicle, check the following points:...
  • Page 30 • Make sure that operation is smooth. • Check throttle grip free play. Throttle grip 6-14, 6-20 • If necessary, have Yamaha dealer adjust throttle grip free play and lubricate cable and grip housing. • Make sure that operation is smooth. 6-19 Control cables •...
  • Page 31: Operation And Important Riding Points

    See page 5-4 for engine break-in not understand, ask your Yamaha case of a turnover. To start the engine instructions prior to operating the dealer.
  • Page 32: Starting Off

    OPERATION AND IMPORTANT RIDING POINTS EAU16761 4. Check for oncoming traffic, and EAU16780 Starting off Acceleration and then slowly turn the throttle grip deceleration (on the right) in order to take off. 5. Switch the turn signals off. Before starting off, allow the engine to warm up.
  • Page 33: Braking

    OPERATION AND IMPORTANT RIDING POINTS EAU16793 Front EAU16820 Braking Tips for reducing fuel EWA10300 consumption WARNING Fuel consumption depends largely on Avoid braking hard or suddenly your riding style. Consider the follo- (especially when leaning over wing tips to reduce fuel consumption: to one side), otherwise the sco- Avoid high engine speeds during oter may skid or overturn.
  • Page 34: Engine Break-In

    During this period, prolonged to touch them and be burned. immediately have a Yamaha dealer full-throttle operation or any condition Do not park on a slope or on check the vehicle.
  • Page 35: Periodic Maintenance And Adjustment

    To avoid possible burns, let service or while using the vehicle. If brake components cool before tou- you are not familiar with vehicle ching them. service, have a Yamaha dealer per- form service.
  • Page 36: 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.
  • Page 37: General Maintenance And Lubrication Chart

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU17717 General maintenance and lubrication chart ODOMETER READING CHECK OR ANNUAL ITEM MAINTENANCE JOB CHECK 1000 km 6000 km 12000 km 18000 km 24000 km (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) 1 * Air filter element •...
  • Page 38 PERIODIC MAINTENANCE AND ADJUSTMENT ODOMETER READING CHECK OR ANNUAL ITEM MAINTENANCE JOB CHECK 1000 km 6000 km 12000 km 18000 km 24000 km (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) • Check bearing play and steering for roughness. 9 * Steering bearings •...
  • Page 39 PERIODIC MAINTENANCE AND ADJUSTMENT ODOMETER READING CHECK OR ANNUAL ITEM MAINTENANCE JOB CHECK 1000 km 6000 km 12000 km 18000 km 24000 km (600 mi) (3500 mi) (7000 mi) (10500 mi) (14000 mi) 20 * V-belt • Replace. Every 10000 km (6000 mi) Front and rear brake •...
  • Page 40: 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 removed and installed.
  • Page 41: Checking The Spark Plug

    Place the panel in the original posi- tion, and then install the screw. operating improperly. Do not attempt to diagnose such problems yourself. 1. Spark plug cap Instead, have a Yamaha dealer check the vehicle.
  • Page 42: Engine Oil And Oil Strainer

    PERIODIC MAINTENANCE AND ADJUSTMENT 2. Check the spark plug for electro- 2. Clean the surface of the spark EAUS1481 Engine oil and oil strainer de erosion and excessive carbon plug gasket and its mating surfa- The engine oil level should be chec- or other deposits, and replace it if ce, and then wipe off any grime ked before each ride.
  • Page 43 PERIODIC MAINTENANCE AND ADJUSTMENT 3. Wait a few minutes until the oil settles, remove the oil filler cap, wipe the dipstick clean, insert it back into the oil filler hole (wit- hout screwing it in), and then remove it again to check the oil level.
  • Page 44 PERIODIC MAINTENANCE AND ADJUSTMENT 1. While the key is turned to “ON”, Tightening torque: hold the button pushed more Engine oil drain bolt A: than eight seconds. 23 Nm (2.3 m•kgf, 16.6 ft•lbf) 2. Release the button, and the oil Engine oil drain bolt B: 32 Nm (3.2 m•kgf, 23.1 ft•lbf) change indicator will go off.
  • Page 45: Final Transmission Oil

    [EWA11311] ride. If any leakage is found, have a Yamaha dealer check and repair the Tightening torque: scooter. In addition, the final trans- Final transmission oil filler bolt: mission oil must be changed as 23 Nm (2.3 m•kgf, 16.6 ft•lbf)
  • Page 46: Coolant

    If water has been ture. added to the coolant, have a Make sure that the vehicle is Yamaha dealer check the anti- positioned straight up when freeze content of the coolant checking the coolant level. A as soon as possible, otherwise...
  • Page 47: Replacing The Air Filter Element And Cleaning The Check Hose

    2. Pull the air filter element out. check hose maintenance and lubrication chart. 3. Insert a new air filter element into Have a Yamaha dealer change the the air filter case as shown. coolant. WARNING! Never attempt NOTICE: Make sure that the air...
  • Page 48: Checking The Throttle Grip Free Play

    To prevent cle, note the following points regar- this from occurring, the valve clearan- ding the specified tires. ce must be adjusted by a Yamaha dealer at the intervals specified in the Tire air pressure periodic maintenance and lubrication chart.
  • Page 49 After extensive tests, only the tires lis- 0–90 kg (0–198 lb): ted below have been approved for Front: this model by Yamaha Motor Co., Ltd. 175 kPa (1.75 kgf/cm 25 psi, 1.75 bar) Rear: ZAUM0054 Front tire: 200 kPa (2.00 kgf/cm...
  • Page 50: Cast Wheels

    Periodically check the brake lever free The wheel should be balanced play. If the free play exceeds 10.0 mm whenever either the tire or wheel (0.39 in), have a Yamaha dealer adjust has been changed or replaced. An unbalanced wheel can result EWA10641...
  • Page 51: Adjusting The Rear Brake Lever Free Play

    If a brake pad is damaged or if adjusting nut in direction (b). the lining thickness is less than 3.1 mm (0.12 in), have a Yamaha dea- ler replace the brake pads as a set. 6-17...
  • Page 52: Checking The Brake Fluid Level

    If ches the wear limit mark, have a the brake fluid level is low, be sure to Recommended brake fluid: Yamaha dealer replace the brake sho- check the brake pads for wear and DOT 4 es as a set.
  • Page 53: Changing The Brake Fluid

    If a cable is ted surfaces or plastic parts. damaged or does not move smoothly, Always clean up spilled fluid have a Yamaha dealer check or repla- immediately. ce it. WARNING! Damage to the As the brake pads wear, it is nor-...
  • Page 54: Checking And Lubricating The Throttle Grip And Cable

    In addition, the cable should be lubri- cated by a Yamaha dealer at the inter- vals specified in the periodic mainte- nance chart. The pivoting points of the front brake...
  • Page 55: Checking And Lubricating The Centerstand

    If the centerstand does not move front fork compresses up and down smoothly, have a rebounds smoothly. Yamaha dealer check or repair it. Otherwise, the centerstand could contact the ground and distract the operator, resulting in a possible loss of control. 6-21...
  • Page 56: Checking The Steering

    If any free lubrication chart. If there is play in the play can be felt, have a Yamaha wheel hub or if the wheel does not dealer check or repair the stee- turn smoothly, have a Yamaha dealer ring.
  • Page 57: Battery

    PERIODIC MAINTENANCE AND ADJUSTMENT EAUS1800 contains minerals that are Battery Make sure that the scooter is positio- harmful to the battery. [ECA10611] ned straight up when checking the EWA10760 electrolyte level. WARNING 2. Remove panel A. (See page 6-6). Electrolyte is poisonous and 3.
  • Page 58: Replacing The Fuse

    PERIODIC MAINTENANCE AND ADJUSTMENT KEEP THIS AND ALL BATTE- connected to the battery termi- EAUT2023 Replacing the fuse RIES OUT OF THE REACH OF nals and that the breather hose is CHILDREN. properly routed, in good condi- tion, and not obstructed. NOTI- 5.
  • Page 59: Replacing The Headlight Bulb

    NOTICE the electrical circuits to check if transparency of the glass, the the devices operate. It is advisable to have a Yamaha luminosity of the bulb, and the 4. If the fuse immediately blows dealer perform this job. bulb life will be adversely affec- again, have a Yamaha dealer ted.
  • Page 60: Replacing A Front Turn Signal Light Bulb

    Replacing a front turn signal der, and then remove the burnt- light bulb out bulb. ECA10670 NOTICE It is advisable to have a Yamaha dealer perform this job. 1. Place the scooter on the centers- tand. 2. Remove cowling A. (See page 1. Cowling 6-6).
  • Page 61: Replacing A Turn Signal Light Bulb Or The Tail/Brake Light Bulb

    PERIODIC MAINTENANCE AND ADJUSTMENT 5. Insert a new bulb into the socket, EAU24283 Replacing a turn signal light push it in, and then turn it clock- bulb or the tail/brake light wise until it stops. 6. Install the socket (together with bulb the bulb) by turning it clockwise.
  • Page 62: Replacing The License Plate Light Bulb

    PERIODIC MAINTENANCE AND ADJUSTMENT EAUS1151 EAU45462 Replacing the license plate Replacing the auxiliary light light bulb bulb 1. Remove the lens by removing the If the auxiliary light bulb burns out, screw. replace it as follows. 1. Place the vehicle on the centers- tand.
  • Page 63: Troubleshooting

    The following troubleshooting charts represent quick and easy procedures for checking these vital systems your- self. However, should your scooter require any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, experience, and know-how to service the scooter properly.
  • Page 64: 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 65 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 66: Scooter Care And Storage

    Some models are equipped with nology, it also makes it more vulnera- matte colored finished parts. Be ble. Rust and corrosion can develop Cleaning sure to consult a Yamaha dealer for ECA10783 even if high-quality components are NOTICE advice on what products to use used.
  • Page 67 SCOOTER CARE AND STORAGE with water may be used. Be scratches on the windshield. sure to rinse off any detergent Test the product on a small hid- Salt sprayed on roads in the winter residue using plenty of water, den part of the windshield to may remain well into spring.
  • Page 68: Storage

    If with a tarp, while it is still wet, necessary, clean the brake Consult a Yamaha dealer for will allow water and humidity to discs and brake linings with a advice on what products to use.
  • Page 69 SCOOTER CARE AND STORAGE 2. Fill up the fuel tank and add fuel electrodes while turning the stabilizer (if available) to prevent engine over. Make any necessary repairs before [EWA10951] the fuel tank from rusting and the 4. Lubricate all control cables and storing the scooter.
  • Page 70: Specifications

    SPECIFICATIONS Dimensions: Engine oil: Fuel: Overall length: Type: Recommended fuel: 1840 mm (72.4 in) SAE 10W-40 Regular unleaded gasoline only Overall width: Fuel tank capacity: -20 -10 10 20 30 40 50 ˚C 793 mm (31.2 in) 5.3 L (1.40 US gal, 1.17 Imp.gal) Overall height: Fuel reserve amount: SAE 10W-30...
  • Page 71 SPECIFICATIONS Trail: Rear: Spring/shock absorber type: 92.6 mm (3.65 in) 200 kPa (2.00 kgf/cm , 29 psi, 2.00 bar) Coil spring/oil damper Loading condition: Wheel travel: Front tire: 90–163 kg (198–359 lb) 70.0 mm (2.76 in) Type: Front: Rear suspension: Tubeless 175 kPa (1.75 kgf/cm , 25 psi, 1.75 bar)
  • Page 72 SPECIFICATIONS License plate light: 12 V, 5.0 W x 1 Meter lighting: High beam indicator light: Turn signal indicator light: Fuel level warning light: Coolant temperature warning light: Engine trouble warning light: Fuses: Main fuse: 15.0 A...
  • Page 73: Consumer Information

    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: 1. Vehicle identification number 1.
  • Page 74 INDEX Fuel consumption, tips for reducing..5-3 Spark plug, checking .........6-7 Fuel level warning light ......3-2 Specifications..........8-1 Acceleration and deceleration ....5-2 Fuel tank breather/overflow hose ....3-10 Start switch ..........3-6 Air filter element and check hose, replacing Fuel tank cap ..........3-8 Starting off ..........5-2 and cleaning ..........6-13 Fuse, replacing.........6-24 Starting the engine........5-1...
  • Page 76 MBK Industrie Z.I. de Rouvroy 02100 Saint Quentin Société Anonyme au capital de 45 000 000 e PRINTED IN FRANCE 2012-03 (E) R.C St-Quentin B 329 035 422...

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