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IDENTIFICATION NUMBERS RECORD Record the frame serial number and engine serial number in the spaces provided for assistance when ordering spare parts from a Yamaha dealer or reference in case the vehicle is stolen. 1. FRAME SERIAL NUMBER: 2. ENGINE SERIAL NUMBER:...
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INTRODUCTION Congratulations on your purchase of the YAMAHA YBR 125ED. This model is the result of Yamaha’s vast experience in the production of fine sporting, touring, and pacesetting racing machines. It represents the high degree of craftmanship and reliability that have made Yamaha a leader in these fields.
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This manual should be considered a permanent part of this machine and should remain with it even if the machine is subsequently 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 machine and this manual.
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WARNING: PLEASE READ THIS MANUAL CAREFULLY AND COMPLETELY BEFORE OPERATING THIS MACHINE. DO NOT ATTEMPT TO OPERATE THIS MOTORCYCLE UNTIL YOU HAVE ATTAINED A SATISFACTORY KNOWLEDGE OF ITS CONTROLS AND OPERATING FEATURES AND UNTIL YOU HAVE BEEN TRAINED IN SAFE AND PROPER RIDING TECHNIQUES.
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SAFETY INFORMATION TWO-WHEELED MACHINES ARE SINGLE TRACK VEHICLES. THEIR SAFE USE AND OPERATION ARE DEPENDENT UPON THE USE OF PROPER RIDING TECHNIQUES AS WELL AS THE EXPERTISE OF THE OPERATOR. EVERY OPERATOR SHOULD KNOW THE FOLLOWING REQUIREMENTS BEFORE RIDING. HE OR SHE SHOULD. 1.
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Items above must also be followed by pillion rider. MODIFICATION Modifications made to the machine not approved by Yamaha, or the removal of original equipment, may render your machine unsafe for use and may cause severe personal injury. Modifications may also make your machine illegal to use.
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Use extra care if riding a machine which has added cargo or acessories. Genuine Yamaha accessories have been specifically designed for use on this machine. Since Yamaha cannot test all other accessories which may be available, you must personally be responsible for the proper selection, installation and use of non-Yamaha accessories.
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GASOLINE AND EXHAUST GAS 1. GASOLINE IS HIGHLY FLAMMABLE: a. Always turn off the engine when refueling. b. Take care not to spill any gasoline on the engine or exhaust system when refueling. Never refuel while smoking or in the vicinity of an open flame. 2.
2. Production year 1. Engine serial number NOTE: Model code is indicated by 4th to 8th digits and serial number is indicated by 12th to 17th digits . Record these numbers for reference in case of ordering parts from a Yamaha dealer.
CONTROL FUNCTIONS Main switch Electrical circuits are switched on. Engine can be started. The main switch controls the ignition and the electrical The key cannot be removed. system. It’s operation is described below. OFF: All electrical circuits are switched off. The key can be removed.
Indicator lights Turn indicator lights " " The corresponding indicator fhashes when the turn switch is moved to the “ “ or “ “. High beam indicator light " " This indicator comes on when the headlight high beam is used. Neutral indicator light "...
Speedometer Fuel gauge 1. Adjustind knob 2. Odometer 1. Fuel gauge The speedometer shows riding speed. The fuel gauge indicates the quantity of the remaining This speedometer is equipped with an odometer. gasoline in the tank. The gauge needle moves from “F” (Full) to “E”...
Handlebar switches over left LIGHTS SWITCH Turning the light switch to “ “, turns on the meter lights, headlight and tail-lights. PASS SWITCH " " Press the switch to operate the passing light. Dimmer switch Turn the switch to " "...
Handlebar switches over rigt “ENGINE STOP” switch The engine stop switch is a safety device for use in an emergency such as when the motorcycle overturns or if trouble occurs in the throttle system. Turn the switch to “ ” to start the engine, and turn the switch to “ ”...
Clutch lever Shift pedal 1. Clutch lever 1. Shift pedal The clutch lever is located on the left handlebar, and the This motorcycle is equipped with a constant-mesh 5-speed starting circuit cut off switch is incorporated in the clutch transmission. lever holder.
Front brake lever Rear brake pedal 1. Rear brake pedal 1. Front brake lever The rear brake pedal is on the right side of the motorcycle. The front brake lever is located on the right handlebar. Pull Press down the brake pedal to apply the rear brake. it toward the handlebar to apply the front brake.
Fuel tank cap TO OPEN: Insert the key and turn it 1/4 turn clockwise. The lock will be released and the cap can be opened. TO CLOSE: Push the tank cap into position with the key inserted. To remove the key, turn it counterclockwise to the original position.
Fuel cock The fuel cock supplies fuel from the tank to the carburetor while filtering it also. The fuel cock has three positions: OFF: With the fuel cock in this position, fuel will not flow. Always set the fuel cock to this position when the engine is not running.
Starter lever Starting a cold engine requires a richer air-fuel mixture. A separate starter circuit supplies the mixture. Pull the starter knob up to open the circuit for starting. When the engine has warmed up, push the knob down to close the circuit.
Steering lock The steering is locked when the main switch is turned to “LOCK”. To lock the steering, turn the handlebars all the OFF (PUSH) way to the left. With the key at “OFF” position, push it into the main switch and release it, turn it counterclockwise to “LOCK”, and remove the key.
Seat To remove the seat, remove the side covers (see page 3- 13), then remove the bolts and release the lobe from the rear portion of the frame. To reinstall the seat, insert the lobe into the receptacle on the frame, then tighten the bolts. Reinstall the side covers.
Side covers 1. Pull 2. Pull forward 1. Pull 2. Pull forward Insert the key and turn it 1/4 clockwise. Pull the cover Remove the key nad then pull the cover towards yourself towards yourself to release the fitting pin, and then, pull it to release the fitting pin, and then, pull it forward forward To reinstall, reverse the removal procedures.
Rear shock absorber adjustment Each shock absorber is equipped with a spring preload adjusting ring. Adjust spring preload as follows. Turn the adjusting ring in direction to increase spring preload and in direction to decrease spring preload. Make sure that the appropriate notch in the adjusting ring is aligned with the position indicator on the rear shock absorber.
Clutch switch operation check WARNING: Check the operation of the clutch switch against the If improper operation is noted, consult a Yamaha dealer information below. or other qualified mechanic immediately. TURN MAIN SWITCH TO “ON” AND ENGINE STOP SWITCH TO “...
PRE-OPERATION CHECKS Before using this motorcycle, check the following points: ITEM ROUTINE PAGE Check operation, free play, fluid level and fluid leakage. Front brake Top-up with DOT #4 (or DOT #3) brake fluid if necessary. 4-3 ~ 4-4 6-16 ~ 6-20 Check operation, condition and free play.
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ITEM ROUTINE PAGE Rear brake and shift pedal Check for smooth operation. 6-24 shafts Lubricate if necessary Front brake and clutch Check for smooth operation. 6-24 lever pivots Lubricate if necessary Check for smooth operation. Sidestand 6-24 Lubricate if necessary Check all chassi fittings and fasteners.
Ask a Yamaha dealer or other qualified mechanic for immediate repairs. A soft, spongy feeling NOTE: could indicate a hazardous condition in the brake When a brake service is necessary, consult a Yamaha system. dealer or other qualified mechanic.
Never spill any fluid. If spilled, clean it up immediately. 1.0 L ( 0.220 Imp gal, 0.264 US gal) WARNING: If brake fluid leakage is found, ask a Yamaha dealer or CAUTION: other qualified mechanic for immediate repairs. Such Check the oil level in a daily manner and top it up if leakage could indicate a hazardous condition.
Tires Basic weight: To ensure maximum performance, long service, and safe 119 Kg ( 262 lb) With oil and without fuel operation, note the following: 1. Tire air pressure 160 Kg ( 353 lb) Maximum load*: Always check and adjust the tire pressure before operating the machine.
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Yamaha dealer or characteristics of your motorcyle. Do not carry loosely other qualified mechanic and have the tire replaced.
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2. Patching a punctured tube is not recommended. If it is absolutely necessary to do so, use great care than one approved by Yamaha is used on this and replace the tube as soon as possible with a motorcycle.
If any abnormal Turn the throttle grip to see if it operates properly, and check condition exists in a wheel, consult a Yamaha dealer or the free play. other qualified mechanic. Do not attempt even small Make sure the grip returns by spring force when released.
( 2.860 Imp gal, 3.434 US gal) Reserve: 1.7 L ( 0.374 Imp gal, 0.450 Us gal) Your Yamaha engine has been designed to use regular 1. Fuel level 2. Filler tube unleaded gasoline with a pump octane number ([R+m]/2) of 86 or higher, or research octane number of 91 or higher.
Before riding this motorcycle, become thoroughly familiar with all operating controls and their functions. 2. Be vareful not to put any object near battery Consult a Yamaha dealer regarding any control or terminals. function that you do not thoroughly understand.
If the light does not come on, ask a To obtain maximum engine life and service, do not ever Yamaha dealer to inspect it. thoroughly accelerate it while the engine is cold. 4. Fully open the starter (CHOKE) and completely close 7.
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WARNING: ADVERTENCIA: Before going through the following steps, check the function of the clutch switch (See page 3-15) TURN THE MAIN SWITCH TO “ON” AND ENGINE STOP SWITCH TO “ ” IF TRANSMISSION IS IN NEUTRAL IF TRANSMISSION IS IN GEAR PUSH STARTER SWITCH;...
Starting a warm engine Warming up the engine The starter lever is not required when the engine is warm. For an extended engine life always warm the engine up never accelerate hard while the engine is cold. CAUTION: To check if engine temperature is normal, rev the engine with the choke closed and check to see if it responds If the engine fail to start with the procedures above, try to normally.
Shifting CAUTION: 1. Do not coast for long periods with the engine off, The transmission lets you control the amount of power you and do not tow the motorcycle a long distance. Even have available at a given speed for starting, accelerating, with gears in neutral, the transmission is only climbing hills, etc.
Tips for reducing fuel consumption Engine Break-in There is never a more important period in the life of your Your motorcycle’s fuel consumption depends to a large motorcycle than the period 1.000Km. For this reason we extent on your riding style. The following tips can help reduce ask that you carefully read the following material.
4. After 1,000 Km: Avoid prolonged full throttle operation. Vary speeds occasionally. CAUTION: If any engine trouble should occur during the break-in period, consult a Yamaha dealer immediately.
Perodic inspection, adjustment, and lubrication will keep If you are not familiar with motorcycle service, this work should be done by a Yamaha dealer. your motorcycle in the safest and most efficient condition possible. Safety is an OBLIGATION of the motorcycle owner.
Tool kit NOTE: If you do not have necessary tools required during a service operation, take your motorcycle to a Yamaha dealer for service. WARNING: Modifications to this motorcycle not approved by Yamaha may cause loss of performance, excessive emissions, and render it unsafe for use. Consult a Yamaha dealer before attempting any changes.
PERIODIC MAINTENANCE / LUBRICATION EVERY 3,000KM 1,000KM 3,000KM REMARKS ITEM OR ERERY 6 MONTHS How it sounds / Adjust if necessary. Valves* Check condition and clean if necessary. Spark plug Replace if necessary every 12,000 Km. Clean or replace if necessary. Air filter Fuel line Check fuel hose, for cracks or damage.
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Lights and flashers Check tighten. Nuts and bolts General Check Motorcycle Aspect : It is recommended that these items be serviced by a Yamaha dealer. : Molybdenum disulfide grease. : Lithium soap based grease. NOTE: Brake fluid replacement: 1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid. Normally check the brake fluid level and add fluid as required.
Torque specifications Use a torque wrench to tighten these items. It is recommended that these items be checked occasionally, specially before a long trip. Always check the tightness of these items whenever they are loosened for any reason. General torque especifications (Nut) (Bolt) kgf.m...
Engine oil d. The oil level should be between the maximum and 1. Oil level measurement minimum marks. If the level is low, add oil to raise it to the a. Place the motorcycle on a level place and hold it in an indicated level, check for oil leakage.
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2. Engine oil and filter replacement a. Warm up the engine for a few minutes. b. Stop the engine. Place an oil pan under the engine and remove the dipstick. c. Remove the drain plug and drain the oil. d. Reinstall the drain plug, check if the gasket is damaged and lighten it to the specified torque.
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e. Fill engine with oil. Install the oil filter cap and tighten. CAUTION: Do not put in any chemical additives. Engine oil also Recommended oil: lubricates the clutch and additives could cause clutch Yamalube 4 slippage. CAUTION: Oil quantity: Total amount: Be sure no foreign material enters the crankcase.
If no oil comes out after one minute, turn off the engine immediately so it will not seize. In such a case go to the nearest Yamaha dealer or other qualified mechanic for repairs. 3. After checking, tighten the check bolt to the specified torque.
Air filter The air filter should be cleaned at the specified intervals. It should be cleaned more frequently if you are riding in unusually wet or dusty areas. 1. Remove the right side cover.(pag. 3-13) 2. Remove the air filter case cover by removing the bolts. 3.
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5. Remove the air filter elements from the guide and clean them with solvent. After cleaning, remove the remaining solvent by squeezing the air filter. 6. Apply recommended oil to the entire surface of the filter and squeeze out the excess oil. The air filter should be wet but not dripping.
The correct valve clearance changes with use, resulting in improper fuel/air supply or engine noise. To prevent this, be left to a Yamaha dealer who has the professional knowledge, specialized data, and equipment to do so valve clearance must be adjusted regularly. This adjustment, properly.
1. Throttle stop screw NOTE: If the specified idle speed cannot be obtained by performing the above adjustment, consult a Yamaha dealer. Standard idle speed: 1,300 ~ 1,400 r/min...
Throttle cable adjustment NOTE: Before checking the throttle cable free play, the engine idling speed should be adjusted. The throttle cable should have an specified free play in the turning direction at the grip flange. If the free play is incorrect, follow the instructions below.
Instead, take the spark plug, a good estimate of the correct torque is 1/4 to motorcycle to a Yamaha dealer. You should periodically 1/2 turn past finger tight. Have the spark plug torqued to remove and inspect the spark plug because heat and the correct value as soon as possible with a torque wrench.
CAUTION: For brake pedal adjustment, be sure to proceed as follows (it is advisable to have a Yamaha dealer make this adjustment.) Check the operation of the brake light after adjusting the rear brake.
Brake light switch adjustment Checking the front brake pads and rear brake shoes A wear indicator is provided on each brake. This indicator allows checking of brake pad/shoe wear without disassembling the brake. 1. Brake light switch 2. Adjusting nut The rear brake light switch is activated by the brake pedal and is properly adjusted when the brake light comes on just before braking takes effect.
Apply the brake and inspect the wear indicator. If the indicator is almost in contact with the disc plate, ask a indicator reaches the wear limit line, ask a Yamaha dealer to replace the shoes. Yamaha dealer to replace the pads.
5. Brake fluid may deteriorate painted surfaces or plastic parts. Always clean up spilled fluid immediately. 6. Have a Yamaha dealer check the cause if the brake fluid level goes down.
3. Tighten the locknut. 4. If the free play is still incorrect, make an adjustment at the crankcase side. NOTE: If proper adjustment cannot be obtained or the clutch does not work correctly, ask a Yamaha dealer to inspect the internal clutch mechanism.
Drive chain slack check NOTE: Spin the wheel several times and find the tightest position of the chain. Check and/or adjust the chain slack while it is in this tightest position. To check the chain slack the motorcycle must be held straight up with both wheels on the ground and without rider.
Drive chain slack adjustment CAUTION: Too little chain slack will overload the engine and other vital parts. Keep the slack within the specified limits. To maintain correct axle alignment, Ensure the notch on the adjuster is on the same mark on left and right side 4.
Replace damaged cables as soon as possible to prevent unsafe conditions. 1. Use Yamaha Chain and Cable Lube or any brands of spray-type chain lubricant. First, Lubricate the inner cable and the cable end. If it does not remove all dirt and mud from the chain with a operate smoothly, ask a Yamaha dealer to replace them.
Engine oil SAE 20W50 Sidestand Lubricate the pivoting parts. Check to see that the sidestand moves up and down smoothly. RECOMMENDED LUBRICANT: Engine oil SAE 20W50 CAUTION: WARNING: If the sidestand does not move smoothly, consult a Yamaha dealer. 6-24...
Push down hard several times and check if the fork rebounds smoothly. WARNING: If any damage or unsmooth movement is found with the front fork, consult a Yamaha dealer. CAUTION: Securely support the motorcycle so there is no danger of it falling over.
Wheel bearings If there is play in the front or rear wheel hub or if the wheel does not turn smoothly, have a Yamaha dealer inspect the wheel bearings. The wheel bearings should be inspected according to the Maintenance Schedule.
Take care not to spill battery fluid on the chain. Battery fluid may weaken the chain causing shorter Battery breather chain life and possibly result in an accident. hose AXLE (passes in front of the frame and indicated axle) Hose junction (holds the breather hose) YAMAHA...
Replenishing the battery fluid CAUTION: Battery electrolyte is poisonous and dangerous, causing severe burns, etc. It contains sulfuric acid. Avoid contact with skin, eyes or clothing. Antidote: EXTERNAL: Flush with water. INTERNAL: Drink large quantities of water or milk. Follow with milk of magnesia, beaten egg, or vegetable oil.
Install a new fuse of proper amperage. Turn on the switches and see if the electrical device operates. If the fuse immediately blows again, consult a Yamaha dealer. CAUTION: WARNING: Do not use fuses of higher amperage rating than those recommended.
Headlight bulb replacement 1. Rubber cover 1. Screw 2. Loosen the bulb connectors and remove the rubber cover. If the headlight bulb burns out, replace the bulb as follows: 3. Turn the bulb socket counterclockwise and remove the 1. Remove the screws. bulb.
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4. Put a new bulb, install the socket and the bulb rubber cover. 5. Reconnect the connectors. 6. Reinstall the headlight assy. If it is necessary to adjust the headlight beam, please consult a Yamaha dealer. 1. Bulb WARNING: Avoid touching the glass part of the headlight bulb to...
Turn signal bulb replacement Taillight bulb replacement 1. Remove the screws and the lens. 1. Remove the lens. 2. Push the bulb inward and turn it counterclockwise. 2. Push the bulb inward and turn it counterclockwise. 3. Place a new bulb in the socket. 3.
1. Axle nut 2. Speedometer cable CAUTION: It is advisable to have a Yamaha dealer service the wheel. Securely support the motorcycle so there is no danger of it falling over.
Front wheel installation 2. Make sure the slot inthe brake shoe plate fits over the stopper on the front fork outer tube. When installing the front wheel, reverse the removal procedures. 3. Make sure the axle nut is properly torqued. Pay attention to the following points: Axle nut torque: 1.
3. Axle Nut 3. Remove the brake adjusting nut and brake rod from CAUTION: the brake cam lever. It is advisable to have a Yamaha dealer service the 4. Remove the axle nut and axle. wheel. 5. Remove the wheel assembly.
If your motorcycle requires any repair, Axle nut torque: bring it to a Yamaha dealer. The skilled technicians at a 91 N.m ( 9.1 Kgf.m, 66 lbf.ft) Yamaha dealership have the tools, experience, and know- Tension bar nut: how to properly service your motorcycle.
2. Compression There is compression Go to ignition check Use electric starter No compression Ask Yamaha dealer to inspect 3. Ignition Wipe clean with dry cloth and correct Open the throttle hal-way spark plug gap or replace spark plugs Remove spark...
CLEANING AND STORAGE CAUTION: Many expensive repair bills have resulted from improper A. CLEANING high pressure detergent applications such as those Frequent, thorough cleaning of your motorcycle will not only available in coin-operated car washers. enhance its appearance but will improve its general performance and extend the useful life of many components.
B. STORAGE 7. If storing in a humid or salt-air atmosphere, coat all exposed metal surfaces with a light film of Long term storage (30 days or more) of your machine will oil. Do not apply oil to any rubber parts or the require some preventive procedures to guard against seat cover.
SPECIFICATIONS MODEL YBR 125 ED Dimension: Overall length 1,980 mm ( 78 in) Overall width 745 mm ( 29 in) Overall height 1,050 mm ( 41 in) Seat height 780 mm ( 31 in) Wheel base 1,290 mm ( 51 in) Minimum ground clearance 175 mm ( 7 in) Basic weight:...
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MODEL YBR 125ED Engine oil: Type Yamalube 4 or SAE 20W50 type SH Capacity: Periodic oil change 1.0 L ( 0.220 Imp galt, 0.264 US gal) Total amount 1.2 L ( 0.264 Imp gal, 0.317 US gal) Air filter: Wet type element Fuel: Type Regular unleaded gasoline...
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MODEL YBR 125ED Transmission: Primary reduction system Spur gear Primary reduction rate 68 / 20 Secondary reduction system Chain drive Secondary reduction rate 45 / 14 Transmission type Constant mesh 5-speed Operation Left foot operation Gear ratio 37 / 14 32 / 18 25 / 19 23 / 22...
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MODEL YBR 125ED Brakes: Front brake type Single, Disc brake Operation Right hand operation Rear brake type Drum brake Operation Right foot operation Suspension: Front Telescopic fork Rear Swingarm (New monocross suspension) Shock absorber: Front Coil spring, Oil damper Rear Gas, Coil spring, Oil damper Front 120 mm ( 5.0 in)
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MODEL YBR 125ED Headlight type: Halogen bulb Bulb wattage x quantity: Headlight 12V 35w /35w (1pc) tail / Brake light 12V 5w / 21w (1pc) Flasher light 12V 10w (4pc) Indicator light wattage x quantity: Panel 12V x 3,4W (2pc) Neutral lamp 14V x 3W (1pc) Headlight...
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