EAU26941 DECLARATION of CONFORMITY Company: MORIC CO., LTD. Address: 1450-6 Mori Mori-Machi Shuchi-gun Shizuoka 437-0292 Japan Hereby declare that the product: Kind of equipment: IMMOBILIZER Type-designation: 5SL-00, 5VS-00, 5VX-00, 3HT-00, 5UX-00, 5UX-10, 5KS-00 and 5KS-10 is in compliance with following norm(s) or documents: R&TTE Directive(1999/5/EC) EN300 330-2 v1.1.1(2001-6), EN60950(2000) Two or Three-Wheel Motor Vehicles Directive(97/24/EC: Chapter 8, EMC)
EAU10110 Welcome to the Yamaha world of motorcycling! As the owner of the YP400, 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 Tires ..........6-21 Further safe-riding points ....1-4 Pre-operation check list ....4-2 Cast wheels ........6-23 Front and rear brake lever free DESCRIPTION ........2-1 OPERATION AND IMPORTANT play ..........6-24 Left view ...........2-1 RIDING POINTS........
TABLE OF CONTENTS Troubleshooting ......6-36 Troubleshooting charts ....6-37 SCOOTER CARE AND STORAGE ...........7-1 Care ..........7-1 Storage ..........7-3 SPECIFICATIONS ......8-1 CONSUMER INFORMATION....9-1 Identification numbers .....9-1...
SAFETY INFORMATION SARY BY MECHANICAL CONDI- see you. Avoid riding in another EAU10260 SCOOTERS ARE SINGLE TRACK TIONS. motorist’s blind spot. VEHICLES. THEIR SAFE USE AND Safe riding Many accidents involve inexperi- OPERATION DEPENDENT Always make pre-operation enced operators. In fact, many op- UPON PROPER checks.
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.
Since Yamaha cannot test front fork area, they must be as 194 kg (428 lb). When loading within all other accessories that may be avail-...
SAFETY INFORMATION sories exceed the capacity of the switch. When parking the scooter, EAU10371 Further safe-riding points scooter’s electrical system an note the following: Be sure to signal clearly when electric failure could result, which The engine and exhaust system 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.
Do not submerse any key in wa- the vehicle along with all three keys to ter. a Yamaha dealer to have them re-reg- Do not expose any key to exces- istered. Do not use the key with the red sively high temperatures.
INSTRUMENT AND CONTROL FUNCTIONS keys away from the main switch cense plate light and auxiliary lights EAU10471 Main switch/steering lock as they may cause signal inter- come on, and the engine can be start- ference. ed. The key cannot be removed. NOTE: The headlights come on automatically when the engine is started and stay on...
INSTRUMENT AND CONTROL FUNCTIONS To unlock the steering wise the battery may discharge. EAU11002 Indicator and warning lights Push the key in, and then turn it to “OFF” while still pushing it. EWA10060 WARNING Never turn the key to “OFF” or “LOCK”...
INSTRUMENT AND CONTROL FUNCTIONS EAU11872 EAU34135 Tachometer Multi-function display EWA12311 WARNING Be sure to stop the vehicle before making any setting changes to the multi-function display. 1. V-belt replacement indicator “V-BELT” 2. Fuel level warning indicator “ ” 1. Tachometer 3.
INSTRUMENT AND CONTROL FUNCTIONS meter and fuel level warning indi- fuel tank, the bottom segment of the onds). While “TRIP” or “TRIP F” is cator started flashing) fuel meter and fuel level warning indica- flashing, push the “RESET” button for a self-diagnosis device tor will start flashing, and the display will at least one second.
This indicator flashes at the initial The oil change indicator may flash ber, and then have a Yamaha dealer 1000 km (600 mi), then at 5000 km when the engine is revved with the check the vehicle.
Pushing the “SELECT” button for any error codes, note the code number, NOTE: at least two seconds switches the am- and then have a Yamaha dealer check If the multi-function display indicates er- bient temperature display to the clock the vehicle.
EAU12343 Anti-theft alarm (optional) Handlebar switches crossings, etc. This model can be equipped with an Left optional anti-theft alarm by a Yamaha dealer. Contact a Yamaha dealer for more information. 1. Pass switch “PASS” 2. Dimmer switch “ ” 3. Turn signal switch “...
INSTRUMENT AND CONTROL FUNCTIONS Right leased, the switch returns to the center EAU12731 Hazard switch “ ” position. To cancel the turn signal With the key in the “ON” or “ ” posi- lights, push the switch in after it has re- tion, use this switch to turn on the haz- turned to the center position.
INSTRUMENT AND CONTROL FUNCTIONS EAU12900 EAU12950 EAU12962 Front brake lever Rear brake lever Rear brake lock lever 1. Front brake lever 1. Rear brake lever 1. Rear brake lock lever The front brake lever is located on the The rear brake lever is located on the This vehicle is equipped with a rear right handlebar grip.
INSTRUMENT AND CONTROL FUNCTIONS rear wheel, apply the rear brake le- EAU13161 Fuel tank cap ver first before moving the rear To open the fuel tank cap brake lock lever to the left. 1. Open the lid by sliding the lever EWA12361 forward, and then pull the lever up.
INSTRUMENT AND CONTROL FUNCTIONS EAU13440 EAU34140 Catalytic converter Seats 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- ing any maintenance work.
INSTRUMENT AND CONTROL FUNCTIONS To close the rider seat To install the passenger seat EAU34150 Adjusting the rider seat 1. Fold the rider seat down, and then 1. Insert the projections on the pas- push it down to lock it in place. senger seat into the holders as 2.
INSTRUMENT AND CONTROL FUNCTIONS EAU14492 Storage compartments Front storage compartment A To open the storage compartment when it is locked, insert the key in the lock, turn it counterclockwise, and then grasp the lock while pushing the button To open the storage compartment when it is unlocked, simply grasp the 1.
INSTRUMENT AND CONTROL FUNCTIONS may get wet while the scooter is being washed, wrap any articles stored in the compartment in a plastic bag. Do not keep anything valuable or breakable in the storage com- partment. ECA11100 CAUTION: 1. Storage compartment opening lever 1.
EAU15300 EAU15371 Sidestand Ignition circuit cut-off system below and have a Yamaha dealer re- The sidestand is located on the left side The ignition circuit cut-off system (com- pair it if it does not function proper- of the frame. Raise the sidestand or...
Does the engine start? The sidestand switch may be defective. The scooter should not be ridden until checked by a Yamaha dealer. With the engine still off: 6. Move the sidestand up. 7. Keep the front or rear brake applied.
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 6-20, 6-27 If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing.
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 3-18 If system is defective, have Yamaha dealer check vehicle.
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.
OPERATION AND IMPORTANT RIDING POINTS Rear ing downhill can be very diffi- EAU16820 Tips reducing fuel cult. consumption Fuel consumption depends largely on your riding style. Consider the following tips to reduce fuel consumption: Avoid high engine speeds during acceleration. Avoid high engine speeds with no load on the engine.
Do not park on a slope or on soft During this period, prolonged full-throt- period, immediately have a ground, otherwise the vehicle tle operation or any condition that might Yamaha dealer check the vehi- may overturn. result in engine overheating must be cle. avoided.
Con- sible. The most important points of in- sult a Yamaha dealer for proper spection, adjustment, and lubrication maintenance intervals. are explained on the following pages.
PERIODIC MAINTENANCE AND MINOR REPAIR NOTE: If you do not have the tools or experi- ence required for a particular job, have 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.
The annual checks must be performed every year, except if a kilometer-based maintenance is performed in- stead. From 50000 km, repeat the maintenance intervals starting from 10000 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 √ √ √ √ 10 * Wheels Check runout and for damage. Check tread depth and for damage. Replace if necessary. √ √ √...
PERIODIC MAINTENANCE AND MINOR REPAIR ODOMETER READING (× 1000 km) ANNUAL ITEM CHECK OR MAINTENANCE JOB CHECK √ √ √ √ √ Moving parts and cables Lubricate. Check operation and free play. Throttle grip housing √ √ √ √ √ 27 * Adjust the throttle cable free play if necessary.
PERIODIC MAINTENANCE AND MINOR REPAIR EAU18711 Removing installing cowlings and panels The cowlings and panels shown need to be removed to perform some of the maintenance jobs described in this chapter. Refer to this section each time a cowling or panel needs to be re- moved and installed.
PERIODIC MAINTENANCE AND MINOR REPAIR Cowlings C and D To remove one of the cowlings 1. Remove cowlings A and B. 2. Remove the passenger seat. (See page 3-14.) 3. Remove the grab bar by removing the grab bar bolts and collars. 1.
PERIODIC MAINTENANCE AND MINOR REPAIR 2. Install the screw access cover by 1. Left ﬂoorboard mat 1. Cowling E placing it in its original position. 2. Remove the cowling screws. To install the cowling 3. Install the grab bar by installing the 1.Insert the tabs on the cowling into collars and grab bar bolts.
PERIODIC MAINTENANCE AND MINOR REPAIR and then install the bolts. To install the panel EAU34290 Panel A Place the panel in the original position, To remove the panel and then install the screws. 1. Remove the bolts. Panel B To remove the panel Remove the screws, and then pull the 1.
Do not attempt to diagnose such problems yourself. Instead, have a Yamaha dealer check the vehicle. 1. Spark plug cap 2. Check the spark plug for electrode 4. Remove the spark plug as shown,...
PERIODIC MAINTENANCE AND MINOR REPAIR necessary. 3. Install the spark plug with the spark plug wrench, and then tight- Specified spark plug: en it to the specified torque. NGK/CR7E Tightening torque: To install the spark plug Spark plug: 1. Measure the spark plug gap with a 12.5 Nm (1.25 m·kgf, 9 ft·lbf) wire thickness gauge and, if nec- essary, adjust the gap to specifica-...
PERIODIC MAINTENANCE AND MINOR REPAIR again to check the oil level. To change the engine oil (with or EAU34181 Engine filter without oil filter element replace- NOTE: element ment) The engine oil should be between the The engine oil level should be checked 1.
PERIODIC MAINTENANCE AND MINOR REPAIR (×3) 1. Engine oil drain bolt 1. Bolt 1. Oil ﬁlter element cover 2. Washer 2. Oil ﬁlter element cover 2. O-ring 3. Compression spring 6. Remove and replace the oil filter NOTE: 4. Oil ﬁlter element element and O-rings.
PERIODIC MAINTENANCE AND MINOR REPAIR 2. Hold the “OIL CHANGE” button Tightening torque: Recommended engine oil: pushed for two to eight seconds. Oil filter element cover bolt: See page 8-1. 10 Nm (1.0 m·kgf, 7.2 ft·lbf) Oil quantity: Without oil filter element replace- ment: NOTE: 1.50 L (1.59 US qt) (1.32 Imp.qt)
If any leakage is found, have a Yamaha dealer check and repair the scooter. In addition, the final transmis- sion oil must be changed as follows at the intervals specified in the periodic maintenance and lubrication chart.
PERIODIC MAINTENANCE AND MINOR REPAIR EAU20070 EWA11310 Coolant WARNING The coolant level should be checked Make sure that no foreign mate- before each ride. In addition, the cool- rial enters the final transmission ant must be changed at the intervals case.
If water has been added to the coolant, have a Yamaha dealer check the antifreeze content of the coolant as soon as possible, otherwise the effectiveness of 1.
PERIODIC MAINTENANCE AND MINOR REPAIR Left Left EAU34203 Air filter elements and check (×6) hoses and V-belt case air filter element The air filter elements and the V-belt case air filter element should be ser- viced at the intervals specified in the periodic maintenance and lubrication chart.
PERIODIC MAINTENANCE AND MINOR REPAIR Left Cleaning the V-belt case air filter el- ECA12922 CAUTION: ement 1. Remove cowling (See Make sure that each filter ele- page 6-6.) ment is properly seated in its 2. Remove panel B. (See page 6-6.) case.
Rear: from occurring, the valve clearance specified tires. 250 kPa (36 psi) (2.50 kgf/cm must be adjusted by a Yamaha dealer Tire air pressure 90–194 kg (198–428 lb) : The tire air pressure should be checked at the intervals specified in the periodic...
WARNING glass fragments in it, or if the sidewall is Have a Yamaha dealer replace cracked, have a Yamaha dealer re- excessively worn tires. Besides place the tire immediately. being illegal, operating the vehi-...
3.0 Nm (0.3 m·kgf, 2.2 ft·lbf) for cracks, bends, warpage or damage before each ride. If any damage is found, have a Yamaha dealer replace the wheel. Do not attempt even the smallest repair to the wheel. A deformed or cracked wheel must be replaced.
Front direction (b). EWA10650 WARNING If proper adjustment cannot be ob- tained as described, have a Yamaha dealer make this adjustment. 1. Adjusting nut Rear 2. Rear brake lock lever cable length Rear brake lock lever cable adjustment may be required if the rear brake lock le- ver does not hold properly.
EAU22390 EAU22580 Checking the front and rear Checking the brake fluid level peared, have a Yamaha dealer replace brake pads Front brake the brake pads as a set. The front and rear brake pads must be...
Changing the brake fluid is above the minimum level mark and lower the boiling point of the fluid Have a Yamaha dealer change the replenish if necessary. A low brake fluid and may result in vapor lock. brake fluid at the intervals specified in...
If the centerstand or sidestand does fork must be checked as follows at the not move up and down smoothly, intervals specified in the periodic main- have a Yamaha dealer check or re- tenance and lubrication chart. pair it. To check the condition...
EWA10750 WARNING fork does not operate smoothly, Securely support the vehicle so that have a Yamaha dealer check or re- there is no danger of it falling over. pair it. 2. Hold the lower ends of the front fork legs and try to move them for- ward and backward.
CHILDREN. Electrolyte is poisonous and To charge the battery dangerous since it contains sul- Have a Yamaha dealer charge the bat- furic acid, which causes severe tery as soon as possible if it seems to burns. Avoid any contact with have discharged.
(MF) battery charg- The main fuse and the fuse box, which To store the battery er, have a Yamaha dealer contains the fuses for the individual cir- 1. If the vehicle will not be used for charge your battery.
1. Fuse box 2. Hazard fuse 3. Turn the key to “ON” and turn on the electrical circuit in question to check if the device operates. 4. If the fuse immediately blows again, have a Yamaha dealer 6-32...
This model is equipped with an LED headlights. If a headlight bulb burns type of tail/brake light. out, have a Yamaha dealer replace it If the tail/brake light does not come on, and, if necessary, adjust the headlight have a Yamaha dealer check it.
PERIODIC MAINTENANCE AND MINOR REPAIR 6. To remove the defective turn sig- EAU34250 Replacing a front turn signal nal light bulb, push it in and turn it light bulb or an auxiliary light counterclockwise. To remove the bulb defective auxiliary light bulb, pull it 1.
PERIODIC MAINTENANCE AND MINOR REPAIR 11. Install panel A. 5. Insert a new bulb into the socket, EAU34260 Replacing a rear turn signal push it in, and then turn it clock- light bulb wise until it stops. 1. Place the scooter on the center- 6.
However, should your scooter re- wise until it stops. quire any repair, take it to a Yamaha 5. Install the license plate light lens dealer, whose skilled technicians have and license plate light cover by in- the necessary tools, experience, and stalling the screws.
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.
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 brush, but never apply such prod- contact with strong or abrasive EAU26090 Care ucts onto seals, gaskets and wheel cleaning products, solvent or While the open design of a scooter re- axles. Always rinse the dirt and de- thinner, fuel (gasoline), rust re- veals the attractiveness of the technol- greaser off with water.
SCOOTER CARE AND STORAGE scratched, use a quality plastic gine has cooled down. er to remove any remaining dirt. polishing compound after 5. Touch up minor paint damage ECA10790 CAUTION: washing. caused by stones, etc. Do not use warm water since it in- 6.
Pour a teaspoonful of engine oil ECA10820 NOTE: into the spark plug bore. CAUTION: Consult a Yamaha dealer for advice on c. Install the spark plug cap onto Storing the scooter in a poorly what products to use. the spark plug, and then place...
SCOOTER CARE AND STORAGE 4. Lubricate all control cables and the storing the scooter. pivoting points of all levers and pedals as well as of the sidestand/ centerstand. 5. Check and, if necessary, correct the tire air pressure, and then lift the scooter so that both of its wheels are off the ground.
SPECIFICATIONS Engine oil: Air filter: EAU26338 Dimensions: Type: Air filter element: Overall length: SAE10W30 or SAE10W40 or SAE15W40 Oil-coated paper element 2230 mm (87.8 in) or SAE20W40 or SAE20W50 Fuel: Overall width: Recommended fuel: -20 -10 10 20 30 40 50 ˚C 780 mm (30.7 in) Regular unleaded gasoline only Overall height:...
SPECIFICATIONS Tire air pressure (measured on cold Rear brake: Operation: Centrifugal automatic type tires): Type: Chassis: Single disc brake Loading condition: Frame type: Operation: 0–90 kg (0–198 lb) Aluminum die-cast and steel tube back- Left hand operation Front: bone Recommended fluid: 200 kPa (29 psi) (2.00 kgf/cm Caster angle: DOT 4...
SPECIFICATIONS Headlight: Ignition fuse: 10.0 A Bulb type: Radiator fan fuse: Halogen bulb 10.0 A Bulb voltage, wattage x quantity: Hazard fuse: Headlight: 10.0 A 12 V, 60 W/55.0 W × 2 Electronic fuel injection fuse: Tail/brake light: 10.0 A Backup fuse: Front turn signal light: 10.0 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.
The model label is affixed to the inside of the rear storage compartment. (See page 3-16.) Record the information on this label in the space provided. This in- formation will be needed when ordering spare parts from a Yamaha dealer.
INDEX Fuel............3-13 Rider seat, adjusting........ 3-15 Fuel consumption, tips for reducing...5-3 Acceleration and deceleration....5-2 Fuel tank cap ...........3-12 Air filter elements and check hoses and Safe-riding points ........1-4 Fuses, replacing ........6-31 V-belt case air filter element ....6-18 Safety information ........
INDEX Wheel bearings, checking .......6-30 Wheels.............6-23...
YAMAHA MOTOR CO., LTD. YAMAHA MOTOR CO., LTD. PRINTED ON RECYCLED PAPER PRINTED ON RECYCLED PAPER PRINTED IN JAPAN PRINTED IN JAPAN 2004.9–0.3×1 ! 2004.9–0.3×1 !