EAU10110 Welcome to the Yamaha world of motorcycling! As the owner of the YQ50/YQ50L, 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.
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.
TABLE OF CONTENTS SAFETY INFORMATION ....1-1 PRE-OPERATION CHECKS ..... 4-1 Checking the front and rear brake Further safe-riding points ....1-4 Pre-operation check list ....4-2 pads .......... 6-14 Checking the brake fluid level ..6-15 DESCRIPTION ........2-1 OPERATION AND IMPORTANT Changing the brake fluid ....
SAFETY INFORMATION EAUT1010 AND/OR WHEN MADE NECES- • Use extra caution when ap- SARY BY MECHANICAL CONDI- proaching and passing through SCOOTERS ARE SINGLE TRACK TIONS. intersections, since intersec- VEHICLES. THEIR SAFE USE AND tions are the most likely places OPERATION DEPENDENT Safe riding...
Modifications made to this scooter not changing lanes. Make sure that single most critical factor in the preven- approved by Yamaha, or the removal of other motorists can see you. tion or reduction of head injuries. original equipment, may render the The posture of the operator and Always wear an approved helmet.
Accessories front fork area, they must be as Genuine Yamaha accessories have lightweight as possible and been specifically designed for use on should be kept to a minimum. this scooter. Since Yamaha cannot test...
SAFETY INFORMATION Gasoline and exhaust gas • Do not park the scooter on a EAU10371 Further safe-riding points GASOLINE IS HIGHLY FLAMMA- slope or soft ground, otherwise it Be sure to signal clearly when BLE: may fall over. making turns. •...
SAFETY INFORMATION Always wear a helmet, gloves, trousers (tapered around the cuff and ankle so they do not flap), and a bright colored jacket. Do not carry too much luggage on the scooter. An overloaded scoot- er is unstable.
DESCRIPTION EAU10420 Right view 1. Fuel tank cap (page 3-5) 2. Throttle grip (page 6-11) 3. Front brake lever (page 3-5) 4. Coolant reservoir cap (page 6-8) 5. Battery/fuse (page 6-18/6-20) 6. Oil tank cap (page 3-7)
INSTRUMENT AND CONTROL FUNCTIONS EAU10460 EAU10660 EWA10060 Main switch/steering lock OFF “ ” WARNING All electrical systems are off. The key Never turn the key to “ ” or “ ” can be removed. while the vehicle is moving, other- wise the electrical systems will be EAU10670 CHECK “...
ZAUM0255 gine oil tank has been refilled, have a 1. Coolant temperature warning light “ ” EAU11020 Yamaha dealer check the electrical cir- Turn signal indicator light “ ” This warning light comes on when the cuit. This indicator light flashes when the engine overheats.
INSTRUMENT AND CONTROL FUNCTIONS EAU11620 The speedometer unit is equipped with EAU11851 Speedometer unit Tachometer (Depends on a speedometer and an odometer. The models) speedometer shows riding speed. The odometer shows the total distance trav- eled. ZAUM0291 1. Speedometer ZAUM0292 2.
INSTRUMENT AND CONTROL FUNCTIONS EAU12140 EAU12343 EAU12460 Fuel gauge Handlebar switches Turn signal switch “ ” To signal a right-hand turn, push this Left switch to “ ”. To signal a left-hand turn, push this switch to “ ”. When re- leased, the switch returns to the center position.
INSTRUMENT AND CONTROL FUNCTIONS EAU12900 EAU12950 EAUM2080 Front brake lever Rear brake lever Fuel tank cap ZAUM0262 ZAUM0084 ZAUM0085 1. Fuel tank cap 1. Front brake lever 1. Rear brake lever The front brake lever is located on the The rear brake lever is located on the To remove the fuel tank cap right handlebar grip.
7.0 L (1.85 US gal) (1.54 Imp.gal) Make sure that there is sufficient fuel in the tank. Fill the fuel tank to the bottom Your Yamaha engine has been de- of the filler tube as shown. signed to use regular unleaded gaso-...
INSTRUMENT AND CONTROL FUNCTIONS EAU13440 EAUM1140 Catalytic converter 2-stroke engine oil tank This vehicle is equipped with a catalytic converter in the muffler. EWA10860 WARNING The exhaust system is hot after op- eration. Make sure that the exhaust system has cooled down before do- ZAUM0204 ing any maintenance work.
INSTRUMENT AND CONTROL FUNCTIONS EAU13460 EAUS1050 EAU14160 2-stroke engine oil Kickstarter Rider seat Make sure that there is sufficient oil in the 2-stroke engine oil tank. Add the To open the rider seat recommended 2-stroke engine oil if 1. Place the scooter on the center- necessary.
INSTRUMENT AND CONTROL FUNCTIONS 2. Remove the key from the main EAU14510 Since the storage compartment Storage compartment A switch if the scooter will be left un- accumulates heat when ex- attended. posed to the sun, do not store anything susceptible to heat in- NOTE: side it.
INSTRUMENT AND CONTROL FUNCTIONS EAUM1170 EAU14830 crease the spring preload and thereby Storage compartment B Adjusting the shock absorber soften the suspension, turn the adjust- The storage compartment is located in assembly (Depends on ing ring in direction (b). front of the seat. models) NOTE: Align the appropriate notch in the ad-...
Do not deform or damage the gas cylinder in any way, as this will result in poor damping per- formance. Always have a Yamaha dealer service the shock absorber. 3-11...
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.
• If necessary, add recommended brake fluid to specified level. • Check hydraulic system for leakage. • Make sure that operation is smooth. • Check cable free play. Throttle grip 6-11, 6-16 • If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing.
PRE-OPERATION CHECKS ITEM CHECKS PAGE • Check for damage. • Check tire condition and tread depth. Wheels and tires 6-11, 6-13 • Check air pressure. • Correct if necessary. • Make sure that operation is smooth. Brake levers 6-16 • Lubricate lever pivoting points if necessary. •...
If the engine does If the oil level warning light does not not start with the starter motor, try using come on, have a Yamaha dealer the kickstarter. check the electrical circuit. 2. Close the throttle completely.
OPERATION AND IMPORTANT RIDING POINTS ECA11040 EAU16760 EAU16780 Starting off Acceleration and deceleration CAUTION: For maximum engine life, never ac- NOTE: celerate hard when the engine is Before starting off, allow the engine to cold! warm up. 1. While pulling the rear brake lever with your left hand and holding the grab bar with your right hand, push the scooter off the centerstand.
OPERATION AND IMPORTANT RIDING POINTS EAU16791 down when approaching such EAU16820 Braking Tips for reducing fuel areas and cross them with cau- 1. Close the throttle completely. consumption tion. 2. Apply both front and rear brakes Fuel consumption depends largely on Keep in mind that braking on a simultaneously while gradually in- your riding style.
The most important points of ve- hicle inspection, adjustment, lubrication are explained on the follow- ing pages. EWA10320 WARNING If you are not familiar with mainte- nance work, have a Yamaha dealer do it for you.
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)
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. √ √ √ √ √ 9 * Tires • Check air pressure. •...
PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (× 1000 km) ANNUAL ITEM CHECK OR MAINTENANCE JOB CHECK Moving parts and ca- √ √ √ √ √ • Lubricate. bles • Check operation and free play. Throttle grip housing √ √ √...
PERIODIC MAINTENANCE AND MINOR REPAIR EAU18740 Removing and installing the cowling and panel ZAUM0271 ZAUM0272 1. Screw 1. Panel A 2. Screw To install the cowling ZAUM0270 1. Cowling A Place the cowling in the original posi- To install the panel 2.
1/4–1/2 turn periodically, preferably by a Yamaha past finger tight. However, the spark dealer. Since heat and deposits will plug should be tightened to the speci- cause any spark plug to slowly erode, it fied torque as soon as possible.
Make sure that the vehicle is posi- mark. If water has been added to the tioned straight up when checking coolant, have a Yamaha dealer the coolant level. A slight tilt to the check the antifreeze content of side can result in a false reading.
EWA10430 nance and lubrication chart. Have a WARNING Yamaha dealer change the coolant. Use only a dedicated parts cleaning solvent. To avoid the risk of fire or explosion, do not use gasoline or solvents with a low flash point.
Therefore, all carbu- become excessively worn. retor adjustments should be left to a 5. Install the air filter case cover by in- Yamaha dealer, who has the neces- stalling the screws. sary professional knowledge and expe- rience. ZAUM0156...
The tire air pressure should be checked Maximum load*: sary, have a Yamaha dealer adjust it. 180 kg (397 lb) and, if necessary, adjusted before each * Total weight of rider, passenger, car- ride.
WARNING glass fragments in it, or if the sidewall is Adjust the suspension and tire cracked, have a Yamaha dealer re- Have a Yamaha dealer replace air pressure with regard to the place the tire immediately.
The wheel rims should be checked for cracks, bends or warpage be- fore each ride. If any damage is found, have a Yamaha dealer re- place the wheel. Do not attempt even the smallest repair to the ZAUM0107 wheel.
EAU22340 ness. If the lining thickness is less than Checking the front and rear Yamaha dealer check the brake sys- 2.0 mm (0.08 in), have a Yamaha deal- brake pads tem. er replace the brake pads as a set. EWA10640...
EAUM1360 Checking the brake fluid level Changing the brake fluid brake fluid, otherwise the rubber Have a Yamaha dealer change the seals may deteriorate, causing brake fluid at the intervals specified in leakage and poor braking perfor- the periodic maintenance and lubrica- mance.
Recommended lubricant: necessary. Lithium-soap-based grease (all-pur- EWA11300 pose grease) WARNING If the centerstand does not move up and down smoothly, have a Yamaha dealer check or repair it. Recommended lubricant: Lithium-soap-based grease (all-pur- pose grease) 6-16...
Securely support the vehicle so that fork does not operate smoothly, damage and excessive oil leakage. there is no danger of it falling over. have a Yamaha dealer check or re- pair it. To check the operation 2. Hold the lower ends of the front 1.
If there is play in the wheel hub or if the wheel does not turn smoothly, have a Yamaha dealer check the wheel bearings. ZAUM0297 ZAUM0281 1.
PERIODIC MAINTENANCE AND MINOR REPAIR EWA10760 KEEP THIS AND ALL BATTER- NOTE: WARNING IES OUT OF THE REACH OF Make sure that the scooter is posi- Electrolyte is poisonous and CHILDREN. tioned straight up when checking the dangerous since it contains sul- ECA10610 electrolyte level.
ZAUM0282 4. If the fuse immediately blows 1. Fuse again, have a Yamaha dealer The fuse holder is located behind panel check the electrical system. A. (See page 6-5.) If the fuse is blown, replace it as fol- lows.
CAUTION: touch the bulb until it has cooled It is advisable to have a Yamaha down. dealer perform this job. 4. Place a new headlight bulb into po- 1. Remove cowling A. (See page sition, and then secure it with the 6-5.)
The following troubleshooting charts represent quick and easy procedures for checking these vital systems your- self. However, should your scooter re- quire any repair, take it to a Yamaha ZAUM0285 dealer, whose skilled technicians have the necessary tools, experience, and know-how to service the scooter prop- erly.
Remove the spark plugs 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.
Start the engine. If the engine overheats again, have a The coolant level Yamaha dealer check and repair the cooling system. is OK. NOTE: 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.
SCOOTER CARE AND STORAGE EAU26090 ucts onto seals, gaskets and wheel thinner, fuel (gasoline), rust re- Care axles. Always rinse the dirt and de- movers or inhibitors, brake flu- While the open design of a scooter re- greaser off with water. id, antifreeze or electrolyte.
SCOOTER CARE AND STORAGE After normal use ECA10790 5. Touch up minor paint damage CAUTION: Remove dirt with warm water, a mild caused by stones, etc. detergent, and a soft, clean sponge, 6. Wax all painted surfaces. Do not use warm water since it in- and then rinse thoroughly with clean 7.
Always store your scooter in a cool, dry NOTE: fuel tank. place and, if necessary, protect it Consult a Yamaha dealer for advice on 3. Fill up the fuel tank and add fuel against dust with a porous cover. what products to use.
SCOOTER CARE AND STORAGE EWA10950 °C (90 °F)]. For more information WARNING on storing the battery, see page To prevent damage or injury from 6-18. sparking, make sure to ground the NOTE: spark plug electrodes while turning Make any necessary repairs before the engine over.
7.0 L (1.85 US gal) (1.54 Imp.gal) Compression ratio: 90.0 mm (3.54 in) Carburetor: 7.90 :1 Front tire: Manufacturer: Starting system: Type: GURTNER Electric starter and kickstarter Tubeless Type x quantity: Lubrication system: Size: PY 12 x 1 Separate lubrication (Yamaha autolube) 130/60-13 53L...
SPECIFICATIONS Manufacturer/model: Front wheel: Spring/shock absorber type: MICHELIN / PILOT SPORT Coil spring/gas-oil damper Wheel type: Manufacturer/model: Wheel travel: Cast wheel PIRELLI / EVO21 70.0 mm (2.76 in) Rim size: Rear tire: Electrical system: 13xMT3.00 Type: Rear wheel: Ignition system: Tubeless DC.
SPECIFICATIONS Coolant temperature warning light: 12 V, 1.2 W × 1 Fuses: Main fuse: 7.5 A...
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. Model label The model label is affixed to the bottom of the seat. (See page 3-8.) Record the information on this label in the space provided. This information will be need- ed when ordering spare parts from a Yamaha dealer.
INDEX Fuel tank cap...........3-5 Starting off ..........5-2 Fuse, replacing........6-20 Starting the engine........5-1 Acceleration and deceleration ....5-2 Start switch ..........3-4 Air filter element, cleaning ...... 6-9 Steering, checking ........ 6-17 Handlebar switches .........3-4 Storage ........... 7-3 Headlight bulb, replacing.......6-21 Battery ..........
YAMAHA MOTOR CO., LTD. PRINTED IN FRANCE 2004.09...