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OWNER'S MANUAL
XC125
4P9-F8199-E0

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Table of Contents

   Also See for YAMAHA CYGNUS.X XC125

   Summary of Contents for YAMAHA CYGNUS.X XC125

  • Page 1 OWNER’S MANUAL XC125 4P9-F8199-E0...
  • Page 3 Welcome to the Yamaha world of motorcycling! As the owner of the CYGNUS X, 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 This manual should be considered a permanent part of this scooter and should remain with it even if the scooter is sub- sequently sold. Yamaha continually seeks advancements in product design and quality. Therefore, while this manual contains the most current product information available at the time of printing, there may be minor discrepancies between your scooter and this manual.
  • Page 5 IMPORTANT MANUAL INFORMATION EAUT1390 CYGNUS X OWNER’S MANUAL ©2006 by Yamaha Motor Taiwan Co., Ltd. 1st edition, September 2006 All rights reserved. Any reprinting or unauthorized use without the written permission of Yamaha Motor Taiwan Co., Ltd. is expressly prohibited.
  • Page 6: Table Of Contents

    TABLE OF CONTENTS SAFETY INFORMATION ....1-1 OPERATION AND IMPORTANT Checking the front brake fluid Further safe-riding points ....1-4 RIDING POINTS........5-1 level ........... 6-18 Starting the engine ......5-1 Changing the brake fluid ....6-19 DESCRIPTION ........2-1 Starting off ........5-2 Checking and lubricating the Left view ...........2-1 Acceleration and deceleration ..
  • Page 7 TABLE OF CONTENTS SPECIFICATIONS ......8-1 CONSUMER INFORMATION....9-1 Identification numbers .....9-1...
  • Page 8: Safety Information

    SAFETY INFORMATION EAU10261 TIONS. Many accidents involve inexperi- enced operators. In fact, many op- SCOOTERS ARE SINGLE TRACK Safe riding erators who have been involved in VEHICLES. THEIR SAFE USE AND Always make pre-operation accidents do not even have a cur- OPERATION DEPENDENT checks.
  • Page 9 SAFETY INFORMATION Always signal before turning or ries. The use of a safety helmet is the approved by Yamaha, or the removal of changing lanes. Make sure that single most critical factor in the preven- original equipment, may render the other motorists can see you.
  • Page 10 Gasoline and exhaust gas this scooter. Since Yamaha cannot test should be kept to a minimum. GASOLINE IS HIGHLY FLAMMA- all other accessories that may be avail-...
  • Page 11: Further Safe-riding Points

    SAFETY INFORMATION Take care not to spill any gaso- sene heater, or near an open EAU10371 Further safe-riding points line on the engine or exhaust flame), otherwise it could catch Be sure to signal clearly when system when refueling. fire. making turns.
  • Page 12 SAFETY INFORMATION Apply the brakes slowly when stopping on a wet surface. Slow down as you approach a cor- ner or turn. Once you have com- pleted a turn, accelerate slowly. Be careful when passing parked cars. A driver might not see you and open a door in your path.
  • Page 13 SAFETY INFORMATION...
  • Page 14: Description

    DESCRIPTION EAU10410 Left view 1. Fuel tank cap (page 3-7) 2. Rear storage compartment (page 3-10) 3. Rear turn signal light (page 6-27) 4. Tail/brake light (page 6-27) 5. Kickstarter (page 3-9) 6. Air filter (page 6-12)
  • Page 15: Right View

    DESCRIPTION EAU10420 Right view 1. Battery (page 6-22) 2. Front turn signal light (page 6-26) 3. Auxiliary light bulb (page 6-27) 4. Headlight (page 6-25) 5. Centerstand (page 6-20)
  • Page 16: Controls And Instruments

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

    INSTRUMENT AND CONTROL FUNCTIONS EAUU0061 when the engine is started and stays on the left. Main switch until the key is turned to “OFF” or the 2. Push the key in from the “OFF” po- sidestand is moved down. sition, and then turn it to “LOCK” while still pushing it.
  • Page 18: Keyhole Cover

    INSTRUMENT AND CONTROL FUNCTIONS sure that the vehicle is stopped be- EAUT2111 EAU11003 Keyhole cover Indicator and warning lights fore turning the key to “OFF” or “LOCK”. RESET SELECT ZAUM00** ZAUM00** 1. Keyhole cover lever 1. High beam indicator light “ ”...
  • Page 19: Speedometer

    “ON”. If the warning light does not come on for a few seconds, then go off, have RESET ZAUM00** a Yamaha dealer check the electrical circuit. 1. Speedometer SELECT The speedometer shows the riding speed.
  • Page 20 If the odometer indicates “-----”, have a and “ODO” will be displayed. an oil change indicator (which Yamaha dealer check the multi-func- flashes when the engine oil should tion display, as it may be faulty. be changed)
  • Page 21: Handlebar Switches

    The fuel meter indicates the amount of If the oil change tripmeter indicates fuel in the fuel tank. The display seg- Left “-----”, have a Yamaha dealer ments of the fuel meter disappear to- check the multi-function display, wards “E” (Empty) as the fuel level as it may be faulty.
  • Page 22: Front Brake Lever

    INSTRUMENT AND CONTROL FUNCTIONS Right EAU12500 EAU12900 Horn switch “ ” Front brake lever Press this switch to sound the horn. EAU12720 Start switch “ ” With the sidestand up, push this switch while applying the front or rear brake to crank the engine with the starter.
  • Page 23: Rear Brake Lever

    INSTRUMENT AND CONTROL FUNCTIONS EAU12950 EAU13071 less the key is in the lock. In addition, Rear brake lever Fuel tank cap the key cannot be removed if the cap is not properly closed and locked. To open the fuel tank cap EWA11090 Open the fuel tank cap lock cover, in- WARNING...
  • Page 24: Fuel

    Do not overfill the fuel tank, oth- as well as to the exhaust system. erwise it may overflow when the Your Yamaha engine has been de- fuel warms up and expands. signed to use regular unleaded gaso- Avoid spilling fuel on the hot en- line with a research octane number of gine.
  • Page 25: Catalytic Converter

    INSTRUMENT AND CONTROL FUNCTIONS EAU13441 EAU13680 EAUT1502 Catalytic converter Kickstarter Seat This vehicle is equipped with catalytic converters in the exhaust system. To open the seat 1. Place the scooter on the center- EWA10860 WARNING stand. The exhaust system is hot after op- 2.
  • Page 26: Storage Compartments

    INSTRUMENT AND CONTROL FUNCTIONS To close the seat EAUT1711 Rear storage compartment Storage compartments 1. Fold the seat down, and then push it down to lock it in place. Front storage compartment 2. Remove the key from the main switch if the scooter will be left un- attended.
  • Page 27: Sidestand

    Therefore, check this system regularly as described EWAT1050 below and have a Yamaha dealer re- WARNING ZAUM00** pair it if it does not function proper- Do not exceed the load limit of 1.
  • Page 28: Sidestand Switch Operation Check

    The engine will the centerstand during this in- start. spection. If a malfunction is noted, have a Put the sidestand down. Yamaha dealer check the sys- tem before riding. If the engine stalls: The sidestand switch is OK. 3-12...
  • Page 29: Pre-operation Checks

    PRE-OPERATION CHECKS EAU15591 The condition of a vehicle is the owner’s responsibility. Vital components can start to deteriorate quickly and unexpectedly, even if the vehicle remains unused (for example, as a result of exposure to the elements). Any damage, fluid leakage or loss of tire air pressure could have serious consequences.
  • Page 30: Pre-operation Check List

    Make sure that operation is smooth. Check cable free play. Throttle grip 6-14, 6-20 If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing. Check for damage. Check tire condition and tread depth. Wheels and tires 6-14, 6-16 Check air pressure.
  • Page 31 Make sure that all nuts, bolts and screws are properly tightened. Chassis fasteners — Tighten if necessary. Instruments, lights, signals Check operation. — and switches Correct if necessary. Check operation of ignition circuit cut-off system. Sidestand switch 3-11 If system is defective, have Yamaha dealer check vehicle.
  • Page 32: Operation And Important Riding Points

    CAUTION: The engine trouble warning light should come on for a few seconds, then go off. If the warning light does not go off, have a Yamaha dealer check the electrical circuit. 2. Close the throttle completely.
  • Page 33: Starting Off

    OPERATION AND IMPORTANT RIDING POINTS EAU16760 EAU16780 EAU16791 Starting off Acceleration and deceleration Braking 1. Close the throttle completely. NOTE: 2. Apply both front and rear brakes Before starting off, allow the engine to simultaneously while gradually in- warm up. creasing the pressure.
  • Page 34: Tips For Reducing Fuel Consumption

    If any engine trouble should occur After every hour of operation, stop the during the engine break-in period, engine, and then let it cool for five to ten immediately have a Yamaha dealer minutes. check the vehicle. Vary the engine speed from time to time.
  • Page 35: Parking

    OPERATION AND IMPORTANT RIDING POINTS EAU17212 Parking When parking, stop the engine, and then remove the key from the main switch. EWA10310 WARNING Since the engine and exhaust system can become very hot, park in a place where pedestri- ans or children are not likely to touch them.
  • Page 36: Periodic Maintenance And Minor Repair

    Con- safest and most efficient condition pos- sult a Yamaha dealer for proper sible. The most important points of in- maintenance intervals. spection, adjustment, and lubrication are explained on the following pages.
  • Page 37 PERIODIC MAINTENANCE AND MINOR REPAIR a Yamaha dealer perform it for you. EWA10350 WARNING Modifications approved Yamaha may cause loss of perfor- mance and render the vehicle un- safe for use. Consult a Yamaha dealer before attempting any chang-...
  • Page 38: Periodic Maintenance And Lubrication Chart

    The annual checks must be performed every year, except if a kilometer-based maintenance is performed in- stead. From 30000 km, repeat the maintenance intervals starting from 6000 km. Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and technical skills. ODOMETER READING (× 1000 km)
  • Page 39 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (× 1000 km) ANNUAL ITEM CHECK OR MAINTENANCE JOB CHECK Check tread depth and for damage. Replace if necessary. √ √ √ √ √ 10 * Tires Check air pressure. Correct if necessary. √...
  • Page 40 PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (× 1000 km) ANNUAL ITEM CHECK OR MAINTENANCE JOB CHECK Check the air cut-off valve, reed valve, and hose for √ √ √ √ √ 26 * Air induction system damage. Replace any damaged parts if necessary. Lights, signals and Check operation.
  • Page 41: Removing And Installing Panels

    PERIODIC MAINTENANCE AND MINOR REPAIR EAU18771 panel off. Removing and installing panels 2✕(2) The panels shown need to be removed to perform some of the maintenance 2✕(8) jobs described in this chapter. Refer to this section each time a panel needs to be removed and installed.
  • Page 42: Checking The Spark Plug

    PERIODIC MAINTENANCE AND MINOR REPAIR EAUT1830 Checking the spark plug 2(✕4) The spark plug is an important engine component, which is easy to check. Since heat and deposits will cause any spark plug to slowly erode, the spark plug should be removed and checked in accordance with the periodic mainte- nance and lubrication chart.
  • Page 43 ZAUM00** tive. Do not attempt to diagnose such 1. Spark plug gap problems yourself. Instead, have a Yamaha dealer check the vehicle. Spark plug gap: 0.7–0.8 mm (0.028–0.031 in) 2. Check the spark plug for electrode erosion and excessive carbon or 2.
  • Page 44: Engine Oil And Oil Strainer

    PERIODIC MAINTENANCE AND MINOR REPAIR EAUT1351 into the oil filler hole (without To change the engine oil and clean Engine oil and oil strainer screwing it in), and then remove it the oil strainer The engine oil level should be checked again to check the oil level.
  • Page 45 PERIODIC MAINTENANCE AND MINOR REPAIR O-ring and engine oil drain bolts, higher. and then tighten the drain bolts to Be sure no foreign material en- the specified torque. ters the crankcase. 8. Start the engine, and then let it idle Tightening torque: for several minutes while checking Engine oil drain bolt A:...
  • Page 46: Final Transmission Oil

    If any leakage is found, have a Recommended final transmission Yamaha dealer check and repair the oil: scooter. In addition, the final transmis- See page 8-1. sion oil must be changed as follows at...
  • Page 47: Air Filter And V-belt Case Air Filter Elements

    PERIODIC MAINTENANCE AND MINOR REPAIR EAUT1843 damage and replace it if neces- 2(✕6) Air filter and V-belt case air sary. filter elements 5. Insert the air filter element into the The air filter and V-belt case air filter el- air filter case. ements should be cleaned at the inter- ECA10480 CAUTION:...
  • Page 48 Use only a dedicated parts cleaning solvent. To avoid the risk of fire or Recommended oil: explosion, do not use gasoline or Yamaha foam air filter oil or other solvents with a low flash point. quality foam air filter oil ECA10520 CAUTION: 5.
  • Page 49: Checking The Throttle Cable Free Play

    3.0–5.0 mm (0.12–0.20 in) at the from occurring, the valve clearance specified tires. throttle grip. Periodically check the must be adjusted by a Yamaha dealer throttle cable free play and, if neces- at the intervals specified in the periodic Tire air pressure sary, have a Yamaha dealer adjust it.
  • Page 50: Tires

    Do not carry along loosely glass fragments in it, or if the sidewall is 0–90 kg (0–198 lb): packed items, which can shift cracked, have a Yamaha dealer re- Front: 175 kPa (25 psi) (1.75 kgf/cm during a ride. place the tire immediately.
  • Page 51: Cast Wheels

    If any damage is The replacement of all wheel found, have a Yamaha dealer re- and brake related parts, includ- place the wheel. Do not attempt ing the tires, should be left to a...
  • Page 52: Checking The Front Brake Pads And Rear Brake Shoes

    To check the brake pad wear, check the wear limit line, have a Yamaha the wear indicator groove. If a brake dealer replace the brake shoes as a...
  • Page 53: Checking The Front Brake Fluid Level

    Observe these precautions: ually go down. However, if the When checking the fluid level, brake fluid level goes down sud- make sure that the top of the mas- denly, have a Yamaha dealer 6-18...
  • Page 54: Changing The Brake Fluid

    EAU22720 EAU23100 Changing the brake fluid Checking and lubricating the Have a Yamaha dealer change the cables brake fluid at the intervals specified in The operation of all control cables and the NOTE after the periodic mainte- the condition of the cables should be nance and lubrication chart.
  • Page 55: Checking And Lubricating The Throttle Grip And Cable

    Recommended lubricant: EWA10740 Lithium-soap-based grease (all-pur- WARNING pose grease) If the centerstand or sidestand does not move up and down smoothly, have a Yamaha dealer check or re- pair it. Recommended lubricant: Lithium-soap-based grease (all-pur- pose grease) 6-20...
  • Page 56: Checking The Front Fork

    Check the inner tubes for scratches, fork does not operate smoothly, Securely support the vehicle so that damage and excessive oil leakage. have a Yamaha dealer check or re- there is no danger of it falling over. pair it. To check the operation 2.
  • Page 57: Checking The Wheel Bearings

    If there is play in the wheel hub or if the wheel does not turn smoothly, have a Yamaha dealer check the wheel bearings. ZAUM00** ZAUM00** 1.
  • Page 58 To charge a sealed-type (MF) To charge the battery battery, a special (constant-volt- Have a Yamaha dealer charge the bat- age) battery charger is required. tery as soon as possible if it seems to Using a conventional battery have discharged.
  • Page 59: Replacing The Fuses

    PERIODIC MAINTENANCE AND MINOR REPAIR EAUT1914 Replacing the fuses Specified fuses: Main fuse: The main fuse box is located above the 20.0 A battery. Headlight fuse: 15.0 A Signaling system fuse: 15.0 A Ignition fuse: 7.5 A Backup fuse: ZAUM00** 7.5 A Taillight fuse: 1.
  • Page 60: Replacing The Headlight Bulb

    PERIODIC MAINTENANCE AND MINOR REPAIR 4. If the fuse immediately blows EAUT2130 Replacing the headlight bulb again, have a Yamaha dealer This model is equipped with a quartz check the electrical system. bulb headlight. If the headlight bulb burns out, replace it as follows.
  • Page 61: Replacing A Front Turn Signal Light Bulb

    6. Install the socket (together with the ECA10670 CAUTION: bulb) by turning it clockwise. 6. Install the headlight bulb cover, It is advisable to have a Yamaha 7. Install the panel. and then connect the coupler. dealer perform this job. 7. Install the panel.
  • Page 62: Replacing The Tail/brake Light Bulb Or A Rear Turn Signal Light Bulb

    PERIODIC MAINTENANCE AND MINOR REPAIR EAUT1922 screws. EAUT1962 Replacing the tail/brake light Replacing an auxiliary light bulb or a rear turn signal light bulb Rear turn signal light bulb bulb 1. Remove the tail/brake light lens by removing the screws. 2.
  • Page 63: Troubleshooting

    However, should your scooter re- quire any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, experience, and know-how to service the scooter prop- erly.
  • Page 64: 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 65: Scooter Care And Storage

    Be Rust and corrosion can develop even if ECA10780 CAUTION: sure to consult a Yamaha dealer for high-quality components are used. A advice on what products to use be- rusty exhaust pipe may go unnoticed Avoid using strong acidic wheel fore cleaning the vehicle.
  • Page 66 SCOOTER CARE AND STORAGE thinner, fuel (gasoline), rust re- After normal use salt. movers or inhibitors, brake flu- Remove dirt with warm water, a mild 2. Apply a corrosion protection spray id, antifreeze or electrolyte. detergent, and a soft, clean sponge, on all metal, including chrome- and Do not use high-pressure wash- and then rinse thoroughly with clean...
  • Page 67: Storage

    “Care” section of this chapter. away the paint. 2. Fill up the fuel tank and add fuel stabilizer (if available) to prevent NOTE: the fuel tank from rusting and the Consult a Yamaha dealer for advice on...
  • Page 68 SCOOTER CARE AND STORAGE fuel from deteriorating. pivoting points of all levers and 3. Perform the following steps to pro- pedals as well as of the sidestand/ tect the cylinder, piston rings, etc. centerstand. from corrosion. 5. Check and, if necessary, correct a.
  • Page 69: Specifications

    SPECIFICATIONS EAU2633J Lubrication system: Fuel tank capacity: Wet sump 7.4 L (1.96 US gal) (1.63 Imp.gal) Engine oil: Fuel injector: Dimensions: Type: Manufacturer: Overall length: SAE20W40 AISAN 1855 mm (73.0 in) Model/quantity: Overall width: -20 -10 10 20 30 40 50 ˚C 4P91 01 / 1 685 mm (27.0 in) Spark plug (s):...
  • Page 70 SPECIFICATIONS Trail: Rear: Rear suspension: 90.0 mm (3.54 in) 225 kPa (33 psi) (2.25 kgf/cm Type: Front tire: Front wheel: Unit swing Type: Wheel type: Spring/shock absorber type: Tubeless Cast wheel Coil spring/oil damper Size: Rim size: Wheel travel: 110/70-12 47L J12 X MT2.75 95.5 mm (3.76 in) Manufacturer/model:...
  • Page 71 SPECIFICATIONS Meter lighting: LED x 2 High beam indicator light: LED x 1 Turn signal indicator light: LED x 1 Fuses: Main fuse: 20.0 A Headlight fuse: 15.0 A Taillight fuse: 7.5 A Signaling system fuse: 15.0 A Ignition fuse: 7.5 A Backup fuse: 7.5 A...
  • Page 72: Identification Numbers

    Record the key identification number, vehicle identification number and mod- el label information in the spaces pro- vided below for assistance when ordering spare parts from a Yamaha dealer or for reference in case the vehi- cle is stolen. KEY IDENTIFICATION NUMBER:...
  • Page 73 1. Model label The model label is affixed to the inside of the storage compartment. (See page 3-10.) Record the information on this label in the space provided. This in- formation will be needed when ordering spare parts from a Yamaha dealer.
  • Page 74 INDEX Speedometer..........3-3 Starting off ..........5-2 Acceleration and deceleration....5-2 Handlebar switches ........3-5 Starting the engine ........5-1 Air filter and V-belt case air filter Headlight bulb, replacing ......6-25 Start switch..........3-6 elements ..........6-12 High beam indicator light ......3-2 Steering, checking........
  • Page 76 YAMAHA MOTOR TAIWAN CO., LTD PRINTED IN TAIWAN 2006.09-0.8× × × × × 1!

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Cygnus xCygnus xc125

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  • Keeps1983 May 13, 2017 09:38:
    Welcome to Yamaha Company .. I have your bike type cygnuc.xc1​25. I have faults I do not know how to fix them, such as shaking during the stirring and also extinguish​ing after the operation for a short period and other things ... Please send me a detailed outline of the bike to know fix it
  • Mohammed May 13, 2017 09:40:
    Welcome to Yamaha Company .. I have your bike type cygnuc.xc1​25. I have faults I do not know how to fix them, such as shaking during the stirring and also extinguish​ing after the operation for a short period and other things ... Please send me a detailed outline of the bike to know fix it