Yamaha YBR125ED Owner's Manual
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Yamaha YBR125ED Owner's Manual

2008
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Read this manual carefully before operating this vehicle.
OWNER'S MANUAL
YBR125ED
3D9-F8199-E2

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Summary of Contents for Yamaha YBR125ED

  • Page 1 Read this manual carefully before operating this vehicle. OWNER’S MANUAL YBR125ED 3D9-F8199-E2...
  • Page 2 EAU46090 Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.
  • Page 3 Yamaha a reputation for dependability. Please take the time to read this manual thoroughly, so as to enjoy all advantages of your YBR125ED. The Owner’s Manual does not only instruct you in how to operate, inspect and maintain your motorcycle, but also in how to safeguard yourself and others from trouble and injury.

  • Page 4: Important Manual Information

    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 EAU37230 YBR125ED OWNER’S MANUAL ©2008 by Yamaha Motor Co., Ltd. 1st edition, October 2008 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Co., Ltd. is expressly prohibited. Printed in China.

  • Page 6: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION ....1-1 FOR YOUR SAFETY – Adjusting the clutch lever PRE-OPERATION CHECKS ..... 4-1 free play ........6-15 DESCRIPTION ........2-1 Checking the front brake lever Left view ..........2-1 OPERATION AND IMPORTANT free play ........6-16 Right view ........2-2 RIDING POINTS.........
  • Page 7 TABLE OF CONTENTS Battery ..........6-26 Replacing the fuse ......6-28 Replacing the headlight bulb ..6-29 Replacing the tail/brake light bulb ...........6-30 Replacing a turn signal light bulb ...........6-31 Replacing the auxiliary light bulb ...........6-31 Front wheel ........6-32 Rear wheel ........6-33 Troubleshooting ......6-35 Troubleshooting chart ....6-36 MOTORCYCLE CARE AND STORAGE ..........7-1...

  • Page 8: Safety Information

    SAFETY INFORMATION EAU10283 Safe Riding • Ride where other motorists can Perform the pre-operation checks each see you. Avoid riding in another time you use the vehicle to make sure it motorist’s blind spot. Be a Responsible Owner is in safe operating condition. Failure to Many accidents involve inexperi- As the vehicle’s owner, you are respon- inspect or maintain the vehicle properly...
  • Page 9 SAFETY INFORMATION due to excessive speed or under- This motorcycle is designed for on- A passenger should also observe cornering (insufficient lean angle road use only. It is not suitable for the above precautions. for the speed). off-road use. • Always obey the speed limit and Avoid Carbon Monoxide Poisoning never travel faster than warrant- Protective apparel...
  • Page 10 Yamaha accessories, which are avail- of the motorcycle is changed. To avoid to minimize imbalance or instabili- able only from a Yamaha dealer, have the possibility of an accident, use ex- been designed, tested, and approved treme caution when adding cargo or Shifting weights can create a sud- by Yamaha for use on your vehicle.
  • Page 11 • Accessories fitted to the handle- Use caution when adding electri- genuine Yamaha accessories, recog- bar or the front fork area can cal accessories. If electrical acces- nize that some aftermarket accessories...

  • Page 12: Description

    DESCRIPTION EAU10410 Left view 1. Headlight (page 6-29) 2. Fuse (page 6-28) 3. Battery (page 6-26) 4. Owner’s tool kit (page 6-1) 5. Luggage strap holder (page 3-10) 6. Shock absorber assembly spring preload adjusting ring (page 3-9) 7. Engine oil drain bolt (page 6-9) 8.

  • Page 13: Right View

    DESCRIPTION EAU10420 Right view 1. Carrier (page 3-10) 2. Air filter element (page 6-10) 3. Engine oil filler cap (page 6-9) 4. Brake pedal (page 3-6) 5. Kickstarter (page 3-9) 6. Shock absorber assembly spring preload adjusting ring (page 3-9) 7.

  • Page 14: Controls And Instruments

    DESCRIPTION EAU10430 Controls and instruments 1. Clutch lever (page 3-5) 9. Throttle grip (page 6-12) 2. Left handlebar switches (page 3-4) 10.Fuel tank cap (page 3-6) 3. Main switch/steering lock (page 3-1) 4. Speedometer (page 3-3) 5. Fuel gauge (page 3-4) 6.

  • Page 15: 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 the vehicle is moving. Otherwise the electrical systems will be switched off, which may result in loss of control or an accident.

  • Page 16: Indicator And Warning Lights

    This warning light comes on or flashes if a problem is detected in the electrical circuit monitoring the engine. If this oc- curs, have a Yamaha dealer check the 1. Turn. self-diagnosis system. (See page 3-3 1. Turn signal indicator light “...

  • Page 17: Speedometer Unit

    If a problem is detected in any of those circuits, the engine trouble warning light will come on or flash. If this occurs, have a Yamaha dealer check the vehi- cle. ECA11170 NOTICE 1. Speedometer 1.

  • Page 18: Fuel Gauge

    INSTRUMENT AND CONTROL FUNCTIONS EAU37052 EAU12347 EAU12400 Fuel gauge Handlebar switches Dimmer switch “ ” Set this switch to “ ” for the high Left beam and to “ ” for the low beam. EAU12460 Turn signal switch “ ” To signal a right-hand turn, push this switch to “...

  • Page 19: Clutch Lever

    INSTRUMENT AND CONTROL FUNCTIONS EAU12820 EAU12870 EAU12890 Clutch lever Shift pedal Brake lever 1. Clutch lever 1. Shift pedal 1. Brake lever The clutch lever is located at the left The shift pedal is located on the left The brake lever is located at the right handlebar grip.

  • Page 20: Brake Pedal

    INSTRUMENT AND CONTROL FUNCTIONS EAU12941 EAU13002 Brake pedal Fuel tank cap The fuel tank cap cannot be installed unless the key is in the lock. In addition, the key cannot be removed if the cap is not properly installed and locked. EWA11141 WARNING Make sure that the fuel tank cap is...

  • Page 21: Fuel

    Gasoline is poisonous and can Your Yamaha engine has been de- hole. Stop filling when the fuel cause injury or death. Handle gaso- signed to use regular unleaded gaso- reaches the bottom of the filler line with care.

  • Page 22: Catalytic Converters

    INSTRUMENT AND CONTROL FUNCTIONS or premium unleaded fuel. Use of un- EAU13445 ECA10701 Catalytic converters NOTICE leaded fuel will extend spark plug life This vehicle is equipped with catalytic and reduce maintenance costs. Use only unleaded gasoline. The use converters in the exhaust system. of leaded gasoline will cause unre- EWA10862 pairable damage to the catalytic...

  • Page 23: Kickstarter

    INSTRUMENT AND CONTROL FUNCTIONS EAU43150 EAU14881 EWA10210 Kickstarter Adjusting the shock absorber WARNING assemblies Always adjust both shock absorber assemblies equally, otherwise poor handling and loss of stability may result. Adjust the spring preload as follows. To increase the spring preload and thereby harden the suspension, turn the adjusting ring on each shock ab- sorber assembly in direction (a).

  • Page 24: Carrier

    1. Carrier sidestand could contact the ground and distract the operator, resulting in a possible loss of control. Yamaha’s ignition circuit cut-off system has been designed to assist the operator in fulfilling the respon- sibility of raising the sidestand be- fore starting off.

  • Page 25: Ignition Circuit Cut-Off System

    INSTRUMENT AND CONTROL FUNCTIONS below and have a Yamaha dealer re- EAU43162 Ignition circuit cut-off system pair it if it does not function proper- The ignition circuit cut-off system (com- prising the sidestand switch, clutch switch and neutral switch) has the fol- lowing functions.
  • Page 26 • 3. Shift the transmission into the neutral position. If a malfunction is noted, have a Yamaha 4. Push the start switch or push the kickstarter lever down. dealer check the system before riding. Does the engine start? With the engine still running: 5.

  • Page 27: For Your Safety - Pre-Operation Checks

    • If necessary, add recommended oil to specified level. • Check vehicle for oil leakage. • Check operation. • If soft or spongy, have Yamaha dealer bleed hydraulic system. • Check brake pads for wear. Front brake • Replace if necessary.
  • Page 28 • Make sure that operation is smooth. • Check cable free play. Throttle grip 6-12, 6-22 • If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing. • Make sure that operation is smooth. Control cables 6-22 •...

  • Page 29: Operation And Important Riding Points

    2. Shift the transmission into the neu- tral position. (See page 5-2.) The neutral indicator light should come on. If not, ask a Yamaha dealer to check the electrical circuit. 3. Start the engine by pushing the start switch or by pushing the kick- starter lever down.

  • Page 30: Shifting

    OPERATION AND IMPORTANT RIDING POINTS EAU16671 ECA10260 EAU16810 Shifting Tips for reducing fuel con- NOTICE sumption Even with the transmission in Fuel consumption depends largely on the neutral position, do not your riding style. Consider the following coast for long periods of time tips to reduce fuel consumption: with the engine off, and do not Shift up swiftly, and avoid high en-...

  • Page 31: Engine Break-In

    Yamaha dealer check the vehi- 0–500 km (0–300 mi) cle. Avoid prolonged operation above 6000 r/min. After every hour of operation, stop the engine, and then let it cool for five to ten minutes.

  • Page 32: Periodic Maintenance And Adjustment

    If If you do not have the tools or experi- you are not familiar with vehicle ser- ence required for a particular job, have vice, have a Yamaha dealer perform a Yamaha dealer perform it for you. service.

  • Page 33: 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 34: General Maintenance And Lubrication Chart

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU17716 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 35 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 chain slack, alignment and condition. Drive chain •...
  • Page 36 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 operation and free play. • Adjust the throttle cable free play Throttle grip hous- √...

  • Page 37: Removing And Installing Panels

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU18771 2. Pull the front of the panel out, and Removing and installing pan- then slide the panel forward to re- lease it in the rear. The panels shown need to be removed to perform some of the maintenance jobs described in this chapter.

  • Page 38: Checking The Spark Plug

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU36961 EAU19603 Panel B Checking the spark plug The spark plug is an important engine To remove the panel component, which is easy to check. 1. Slide the panel lock cover open, in- Since heat and deposits will cause any sert the key into the lock, and then spark plug to slowly erode, the spark turn it 1/4 turn clockwise.
  • Page 39 4. Install the spark plug cap. ferent color, the engine could be oper- ating improperly. Do not attempt to diagnose such problems yourself. In- 1. Spark plug gap stead, have a Yamaha dealer check the vehicle. Spark plug gap: 0.6–0.7 mm (0.024–0.028 in)

  • Page 40: Engine Oil

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU37172 4. If the engine oil is at or below the Engine oil minimum level mark, add sufficient The engine oil level should be checked oil of the recommended type to before each ride. In addition, the oil raise it to the correct level.

  • Page 41: Cleaning The Air Filter Element

    PERIODIC MAINTENANCE AND ADJUSTMENT 4. Install the engine oil drain bolt, and Make sure that no foreign mate- EAU37122 Cleaning the air filter element then tighten it to the specified rial enters the crankcase. The air filter element should be cleaned torque.
  • Page 42 PERIODIC MAINTENANCE AND ADJUSTMENT 1. Sponge material 1. Air filter element 7. Install the sponge material into the 2. Air filter element air filter element, and then install 6. Clean the sponge material with 4. Remove the sponge material from the air filter element into the air fil- solvent, then squeeze the remain- the air filter element.

  • Page 43: Checking The Engine Idling Speed

    Adjusting the throttle cable speed free play Check the engine idling speed and, if necessary, have it corrected by a Yamaha dealer. Engine idling speed: 1300–1500 r/min 1. Clamp 2. Air filter check hose plug 10. Install the plug into the check 1.

  • Page 44: Valve Clearance

    (b). from occurring, the valve clearance regarding the specified tires. 3. Tighten the locknut. must be adjusted by a Yamaha dealer at the intervals specified in the periodic Tire air pressure maintenance and lubrication chart. The tire air pressure should be checked and, if necessary, adjusted before each ride.
  • Page 45 2. Tire tread depth ed below have been approved for this * Total weight of rider, passenger, car- model by Yamaha Motor Co., Ltd. The tires must be checked before each go and accessories ride. If the center tread depth reaches...

  • Page 46: Cast Wheels

    If any damage is edge and experience. found, have a Yamaha dealer re- place the wheel. Do not attempt even the smallest repair to the wheel. A deformed or cracked 1.

  • Page 47: Checking The Front Brake Lever Free Play

    The brake lever free play should mea- sure 0.0–7.0 mm (0.00–0.28 in) as shown. Periodically check the brake le- ver free play and, if necessary, have a Yamaha dealer check the brake sys- tem. 1. Locknut (crankcase) EWA10641 2. Clutch lever free play adjusting nut (crank-...

  • Page 48: Adjusting The Brake Pedal Free Play

    To increase the brake pedal free play, Yamaha dealer make this ad- 1. Remove panel A. (See page 6-6.) turn the adjusting nut at the brake rod in justment.

  • Page 49: Checking The Front Brake Pads And Rear Brake Shoes

    Observe these precautions: the wear indicator grooves. If a brake the wear limit mark, have a Yamaha pad has worn to the point that the wear dealer replace the brake shoes as a set.

  • Page 50: Changing The Brake Fluid

    Brake fluid may deteriorate paint- EAU22721 Changing the brake fluid make sure that the top of the mas- ed surfaces or plastic parts. Al- Have a Yamaha dealer change the ter cylinder is level by turning the ways clean spilled...

  • Page 51: Drive Chain Slack

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU22760 3. To tighten the drive chain, turn the Drive chain slack: Drive chain slack drive chain slack adjusting bolt at 20.0–30.0 mm (0.79–1.18 in) The drive chain slack should be each end of the swingarm in direc- checked before each ride and adjusted 5.

  • Page 52: Cleaning And Lubricating The Drive Chain

    PERIODIC MAINTENANCE AND ADJUSTMENT EWA10660 EAU23023 Cleaning and lubricating the WARNING drive chain After adjusting the brake pedal free The drive chain must be cleaned and play, check the operation of the lubricated at the intervals specified in brake light. the periodic maintenance and lubrica- tion chart, otherwise it will quickly wear out, especially when riding in dusty or...

  • Page 53: Checking And Lubricating The Cables

    If a cable is damaged maintenance chart. or does not move smoothly, have a Yamaha dealer check or replace it. WARNING! Damage to the outer sheath may interfere with proper ca- ble operation and will cause the in- cable rust.

  • Page 54: Checking And Lubricating The Brake And Shift Pedals

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU44271 EAU23142 Recommended lubricant: Checking and lubricating the Checking and lubricating the Lithium-soap-based grease brake and shift pedals brake and clutch levers Brake lever Clutch lever The operation of the brake and shift pedals should be checked before each The operation of the brake and clutch ride, and the pedal pivots should be lu- levers should be checked before each...

  • Page 55: Checking And Lubricating The Centerstand And Sidestand

    EWA10741 WARNING If the centerstand or sidestand does not move up and down smoothly, have a Yamaha dealer check or re- pair it. Otherwise, the centerstand or sidestand could contact the ground and distract the operator, resulting in a possible loss of control.

  • Page 56: Lubricating The Swingarm Pivots

    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 57: Checking The Steering

    The battery is located behind panel B. ward and backward. If any free (See page 6-6.) play can be felt, have a Yamaha This model is equipped with a VRLA dealer check or repair the steering. (Valve Regulated Lead Acid) battery.
  • Page 58 To charge the battery burns. Avoid any contact with 2. If the battery will be stored for more Have a Yamaha dealer charge the bat- skin, eyes or clothing and al- than two months, check it at least tery as soon as possible if it seems to...

  • Page 59: Replacing The Fuse

    4. If the fuse immediately blows again, have a Yamaha dealer check the electrical system. 1. Starter relay coupler 1. Spare fuse If the fuse is blown, replace it as fol- lows.

  • Page 60: Replacing The Headlight Bulb

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU43191 Replacing the headlight bulb This model is equipped with a quartz bulb headlight. If the headlight bulb burns out, replace it as follows. ECA10660 NOTICE Do not touch the glass part of the headlight bulb to keep it free from oil, otherwise the transparency of 1.

  • Page 61: Replacing The Tail/Brake Light Bulb

    8. Install the headlight unit by install- ing the screws. 9. Have a Yamaha dealer adjust the headlight beam if necessary. 1. Tail/brake light bulb 3. Insert a new bulb into the socket, push it in, and then turn it clock- wise until it stops.

  • Page 62: Replacing A Turn Signal Light Bulb

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU24204 EAU37271 Replacing a turn signal light Replacing the auxiliary light bulb bulb 1. Remove the turn signal light lens If the auxiliary light bulb burns out, re- by removing the screw. place it as follows. 1.

  • Page 63: Front Wheel

    PERIODIC MAINTENANCE AND ADJUSTMENT EAU24360 5. Pull the wheel axle out, and then Front wheel remove the wheel. NOTICE: Do not apply the brake after the EAU37042 wheel has been removed to- To remove the front wheel gether with the brake disc, oth- EWA10821 WARNING erwise the brake pads will be...

  • Page 64: Rear Wheel

    PERIODIC MAINTENANCE AND ADJUSTMENT 5. Tighten the axle nut to the speci- EAU25080 Rear wheel fied torque, and then install both Make sure that there is enough space rubber caps so that they fit over the between the brake pads before insert- EAU37181 washers.
  • Page 65 PERIODIC MAINTENANCE AND ADJUSTMENT 6. Remove the axle nut, and then pull the wheel axle out. 7. Push the wheel forward, and then remove the drive chain from the rear sprocket. The drive chain does not need to be disassembled in order to remove and install the wheel.

  • Page 66: Troubleshooting

    However, should your motorcycle 9. Insert a new cotter pin. require any repair, take it to a Yamaha 10. Adjust the brake pedal free play. dealer, whose skilled technicians have (See page 6-17.)

  • Page 67: 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 68: Motorcycle Care And Storage

    Rust and corrosion can develop matte colored finished parts. Be Cleaning even if high-quality components are sure to consult a Yamaha dealer for ECA10772 advice on what products to use be- used. A rusty exhaust pipe may go un- NOTICE fore cleaning the vehicle.
  • Page 69 MOTORCYCLE 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 70: Storage

    WARNING To prevent corrosion, avoid Contaminants on the brakes or tires Consult a Yamaha dealer for ad- damp cellars, stables (because vice on what products to use. can cause loss of control. of the presence of ammonia)
  • Page 71 MOTORCYCLE CARE AND STORAGE 3. Perform the following steps to pro- 5. Check and, if necessary, correct tect the cylinder, piston rings, etc. the tire air pressure, and then lift from corrosion. the motorcycle so that both of its a. Remove the spark plug cap wheels are off the ground.

  • Page 72: Specifications

    SPECIFICATIONS Dimensions: Engine oil: Fuel injection: Overall length: Type: Throttle body: 1980 mm (78.0 in) SAE 10W-30, SAE 10W-40, SAE 15W-40, Type/quantity: Overall width: SAE 20W-40 or SAE 20W-50 AC26/1 Spark plug (s): 745 mm (29.3 in) Overall height: Manufacturer/model: -20 -10 10 20 30 40 50 ˚C 1080 mm (42.5 in)
  • Page 73 SPECIFICATIONS 5th: Rear: Spring/shock absorber type: 21/24 (0.875) 200 kPa (2.00 kgf/cm², 29 psi) Coil spring/oil damper Chassis: Loading condition: Wheel travel: 90–196 kg (198–432 lb) 120.0 mm (4.72 in) Frame type: Front: Rear suspension: Diamond 175 kPa (1.75 kgf/cm², 25 psi) Caster angle: Type: Rear:...
  • Page 74 SPECIFICATIONS Auxiliary light: 12 V, 5.0 W × 1 Meter lighting: 12 V, 1.7 W × 4 Neutral indicator light: 14 V, 3.0 W × 1 High beam indicator light: 14 V, 3.0 W × 1 Turn signal indicator light: 14 V, 3.0 W ×...

  • Page 75: 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: 1.
  • Page 76 1. Model label The model label is affixed to the frame behind panel B. (See page 6-6.) Record the information on this label in the space provided. This information will be needed when ordering spare parts from a Yamaha dealer.
  • Page 77 INDEX Air filter element, cleaning ....6-10 Front brake lever free play, checking ..6-16 Rear brake light switch, adjusting ..6-17 Auxiliary light bulb, replacing ....6-31 Front fork, checking.......6-25 Fuel ............3-7 Safety information........1-1 Fuel consumption, tips for reducing ..5-2 Battery ..........
  • Page 78 INDEX Wheel bearings, checking..... 6-26 Wheel (front) ......... 6-32 Wheel (rear) .......... 6-33 Wheels ..........6-15...
  • Page 80 YAMAHA MOTOR CO., LTD. PRINTED IN CHINA 2008.11-0.3×1 CR...

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