Page 2
Recommended oil : SAE20W - 50 type SF Class Motor Oil V-belt inspection Periodic maintenance must be performed by any authorized Yamaha Dealer (Refer to the Owner's Manual for details.) Load limit Convenience hook : 1 kg, Helmet box: 5 kg...
Page 3
INTRODUCTION EAU00000 Congratulations on your purchase of the Yamaha AT115. 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 craftsmanship and reliability that have made Yamaha a leader in these fields.
Page 4
This manual should be considered a permanent part of this motorcycle and should remain with it even if the motorcycle 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 motorcycle and this manual.
TABLE OF CONTENTS EAU00009 GIVE SAFETY THE RIGHT OF WAY ....1-1 OPERATION AND IMPORTANT RIDING POINTS..............5-1 Starting and warming up a cold engine .....5-1 DESCRIPTION ...........2-1 Starting a warm engine ........5-2 Left view .............2-1 Starting off ............5-2 Right view............2-2 Acceleration and deceleration ......5-3 Controls and instruments ........2-3 Braking ..............5-3 Engine break-in ..........5-4...
Page 6
TABLE OF CONTENTS Tires ..............6-19 MOTORCYCLE CLEANING AND STORAGE..7-1 Spoke wheels ..........6-21 A. CLEANING ............ 7-1 Checking the front brake lever free play ..6-21 B. STORAGE ............. 7-1 Adjusting the rear brake lever free play ..6-22 Checking the front brake pads and rear SPECIFICATIONS..........
GIVE SAFETY THE RIGHT OF WAY EAU00021 Motorcycles are fascinating vehicles, which can give you an unsurpassed feeling of power and freedom. However, they also impose certain limits, which you must accept; even the best motorcycle does not ignore the laws of physics. Regular care and maintenance are essential for preserving value and operating condition of your motorcycle.
I NSTRUMENT AND CONTROL FUNCTIONS EAU00027 1. Push. 2. Turn. EAU00029 EAU00040 Main switch/steering lock LOCK To unlock the steering The steering is locked, and all electrical The main switch/steering lock controls Push the key in, and then turn it to systems are off.
INSTRUMENT AND CONTROL FUNCTIONS 1. Left turn signal indicator light “ ” 1. Speedometer 1. Fuel gauge 2. Right turn signal indicator light “ ” 2. Odometer EAU02950* 3. High beam indicator light “ ” Fuel gauge EAU00098 Speedometer unit EAU00056 The fuel gauge indicates the amount of Indicator lights...
INSTRUMENT AND CONTROL FUNCTIONS EAU03888 Dimmer switch “ ” Set this switch to “ ” for the high beam and to “ ” for the low beam. EAU03889 Turn signal switch “ ” To signal a right-hand turn, push this switch to “...
INSTRUMENT AND CONTROL FUNCTIONS 1. Front brake lever 1. Rear brake lever 1. Fuel tank cap a. Open. EAU03882 EAU00163 b. Close. Front brake lever Rear brake lever EAU03468* The front brake lever is located on the The rear brake lever is located on the Fuel tank cap right handlebar grip.
INSTRUMENT AND CONTROL FUNCTIONS EAU00185 CAUTION: Immediately wipe off spilled fuel with a clean, dry, soft cloth, since fuel may deteriorate painted surfac- es or plastic parts. EAU00187* Recommended fuel: 1. Fuel tank filler tube Regular gasoline 2. Fuel level To install the fuel tank cap Fuel tank capacity: EAU03753...
INSTRUMENT AND CONTROL FUNCTIONS 1. Starter (choke) lever “ ” 1. Kickstarter 1. Open. EAU03839 EAU00214 EAU03802* Starter (choke) lever “ ” Kickstarter Seat Starting a cold engine requires a richer To start the engine, fold out the kick- air-fuel mixture, which is supplied by starter lever, move it down lightly with To open the seat the starter (choke).
INSTRUMENT AND CONTROL FUNCTIONS To close the seat EC000010* CAUTION: 1. Fold the seat down, and then push Keep the following points in mind it down to lock it in place. when using the helmet box. 2. Remove the key from the main switch if the motorcycle will be left Since the helmet box accumu- lates heat when exposed to the...
INSTRUMENT AND CONTROL FUNCTIONS To store a helmet in the helmet box, place the helmet upside-down with the front facing forward. NOTE: Some helmets cannot be stored in the helmet box because of their size or shape. Do not leave your motorcycle un- attended with the seat open.
• Make sure that operation is smooth. • Check cable free play. Throttle grip 6-17–6-18, 6-26 • If necessary, have Yamaha dealer adjust cable free play and lubricate cable and grip housing. • Make sure that operation is smooth. Control cables 6-25 •...
Page 20
PRE-OPERATION CHECKS ITEM CHECKS PAGE • Make sure that operation is smooth. Brake levers 6-26 • Lubricate lever pivoting points if necessary. • Make sure that operation is smooth. Centerstand, sidestand 6-27 • Lubricate pivots if necessary. • Make sure that all nuts, bolts and screws are properly tightened. Chassis fasteners —...
WARNING Become thoroughly familiar with all operating controls and their functions before riding. Consult a Yamaha dealer re- garding any control or function that you do not thoroughly un- derstand. 1. Starter (choke) lever “ ” 1. Start switch “START”...
OPERATION AND IMPORTANT RIDING POINTS 4. After starting the engine, move the EAU01258 Starting a warm engine starter (choke) back about half- Follow the same procedure as for start- way. ing a cold engine with the exception ECA00055 that the starter (choke) is not required CAUTION: when the engine is warm.
OPERATION AND IMPORTANT RIDING POINTS Front Rear EAU00434 EAU00435* Railroad crossings, streetcar Acceleration and deceleration Braking rails, iron plates on road con- The speed can be adjusted by opening 1. Close the throttle completely. struction sites, and manhole and closing the throttle. To increase the 2.
If any engine trouble should occur gine wear and polish themselves to the during the engine break-in period, 150–500 km correct operating clearances. During immediately have a Yamaha dealer Avoid prolonged operation above this period, prolonged full-throttle oper- check the vehicle. 1/2 throttle.
OPERATION AND IMPORTANT RIDING POINTS EAU00460 Parking When parking, stop the engine, and then remove the key from the main switch. EW000058 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.
OPERATION AND IMPORTANT RIDING POINTS General note Much can be gained from the correct use and mainte- 2. A MOTORCYCLE CAN KEEP ITS PERFORMANCE nance of a motorcycle. CAPABILITY FOR A LONGER TIME 1. THE CUSTOMERS CAN USE THE FULLEST POTENTIAL OF YAMAHA MOTORCYCLES...
Page 27
OPERATION AND IMPORTANT RIDING POINTS 3. FUEL COST AND REPAIR EXPENSES CAN BE 4. A MOTORCYCLE CAN DEMAND A HIGH PRICE KEPT TO A MINIMUM WHEN IT IS TRADED IN AS A USED PRODUCT...
Periodic inspection, adjustment and lu- ence required for a particular job, have brication will keep your vehicle in the a Yamaha dealer perform it for you. safest and most efficient condition pos- EW000063 sible. The most important points of in-...
PERIODIC MAINTENANCE AND MINOR REPAIR EAU00473 Periodic maintenance and lubrication chart CP-03E ODOMETER READING (× 1,000 km) ITEM CHECK OR MAINTENANCE JOB √ √ √ √ Fuel line • Check fuel hoses and vacuum hose for cracks or damage. • Check condition. √...
Page 30
√ √ switches • Adjust headlight beam. * Since these items require special tools, data and technical skills, have a Yamaha dealer perform the service. EAU03057* NOTE: From 16,000 km, repeat the maintenance intervals starting from 4,000 km. Depending on riding conditions, the V-belt replacement interval may vary.
PERIODIC MAINTENANCE AND MINOR REPAIR 1. Panel A 1. Panel A 2. Panel B 2. Screw (× 2) To install the panel 3. Cowling B EAU01074* Place the panel in the original position, 4. Cowling A Panel A and then install the screws. EAU03516 To remove the panel Removing and installing the...
Page 32
PERIODIC MAINTENANCE AND MINOR REPAIR 1. Screw (× 2) 1. Screw (× 2) 1. Screw (× 2) 2. Panel B 2. Cowling A 2. Cowling A 3. License plate bracket EAU03971 2. Remove the screws on cowling A. Panel B EAU03886* Cowling A To remove the panel...
Page 33
PERIODIC MAINTENANCE AND MINOR REPAIR 1. Screw (× 6) 2. Cowling B 4. Pull cowling A off as shown. To install the cowling 3. Remove the screws on cowling B. 1. Align the tabs in cowling A with the NOTE: slots of cowling B, and then push When removing cowling A, pull out on cowling A into the original position.
Instead, have a with the spark plug wrench includ- The spark plug is an important engine Yamaha dealer check the motorcycle. ed in the owner’s tool kit. component, which is easy to check. 2. Check the spark plug for electrode...
Page 35
PERIODIC MAINTENANCE AND MINOR REPAIR Tightening torque: Spark plug: 12.5 Nm (1.25 m·kgf) NOTE: If a torque wrench is not available when installing a spark plug, a good estimate of the correct torque is 1/4–1/2 turn past finger tight. However, the spark a.
PERIODIC MAINTENANCE AND MINOR REPAIR EAUT0016* Engine oil and oil strainer The engine oil level should be checked before each ride. In addition, the oil must be changed and the oil strainer cleaned at the intervals specified in the periodic maintenance and lubrication chart.
Page 37
PERIODIC MAINTENANCE AND MINOR REPAIR To change the engine oil and clean the oil strainer 1. Start the engine, warm it up for several minutes, and then turn it off. 2. Place an oil pan under the engine to collect the used oil. 1.
If any leakage is found, have a it for oil leakage. If oil is leaking, Yamaha dealer check and repair the Recommended engine oil: immediately turn the engine off motorcycle. In addition, the final trans- See page 8-1.
Page 39
PERIODIC MAINTENANCE AND MINOR REPAIR Recommended final transmission oil: See page 8-1. Oil quantity: 0.1 L EWA00062 WARNING Make sure that no foreign mate- 1. Final transmission oil drain bolt rial enters the final transmis- 4. Remove the oil filler cap and drain sion case.
PERIODIC MAINTENANCE AND MINOR REPAIR EAUM0058* Cleaning the air filter element, V-belt case air filter elements, and check hoses The air filter and the V-belt case air fil- ter elements should be cleaned at the intervals specified in the periodic main- tenance and lubrication chart.
Page 41
PERIODIC MAINTENANCE AND MINOR REPAIR 1. V-belt case air filter cover A 1. V-belt case air filter cover B 2. Bolt (× 2) 2. Bolt (× 3) 5. Lightly tap the air filter element to Cleaning the V-belt case air filter 2.
Page 42
PERIODIC MAINTENANCE AND MINOR REPAIR 1. Air filter element (× 2) 3. Remove the air filter elements, 4. Check each air filter element for 7. Install V-belt case air filter cover A and then blow out the dirt with damage and replace them if nec- by installing the bolts.
The carburetor is an important part of the engine and requires very sophisti- cated adjustment. Therefore, most car- buretor adjustments should be left to a Yamaha dealer, who has the neces- sary professional knowledge and expe- rience. The adjustment described in 1. Check hose (× 2) 1.
4,000–5,000 r/min. NOTE: Engine idling speed: The engine is warm when it quickly re- 1,500–1,700 r/min sponds to the throttle. NOTE: If the specified idling speed cannot be obtained as described above, have a Yamaha dealer make the adjustment. 6-17...
To prevent this from occurring, the valve clearance must be adjusted by a Yamaha dealer at the intervals specified in the periodic maintenance and lubrication chart. 1. Throttle cable free play adjusting nut 2.
PERIODIC MAINTENANCE AND MINOR REPAIR EAU03790* CE-24E EW000087 Tire air pressure Tires WARNING (measured on cold tires) To maximize the performance, durabil- Front Rear Because loading has an enormous ity, and safe operation of your motor- 200 kPa 225 kPa impact on the handling, braking, per- (2.00 kgf/cm (2.25 kgf/cm...
Page 47
(minimum tread depth), if the tire has a CE-10E FRONT nail or glass fragments in it, or if the Manufacturer Size Model sidewall is cracked, have a Yamaha Dunlop 70/90-16 36P D110 dealer replace the tire immediately. REAR CE-23E Manufacturer...
1. Front brake lever age before each ride. If any dam- ing the tires, should be left to a age is found, have a Yamaha EAU03851* Yamaha dealer, who has the Checking the front brake lever dealer replace the wheel.
If there is air in the hydraulic system, have a Yamaha dealer bleed the system be- fore operating the motorcycle. Air in the hydraulic system will diminish a. Rear brake lever free play 1.
If a brake shoe has worn to the indicator grooves have almost disap- point that the wear indicator reaches peared, have a Yamaha dealer replace the wear limit line, have a Yamaha the brake pads as a set. dealer replace the brake shoes as a set.
However, if the seals may deteriorate, causing brake fluid level goes down sud- leakage and poor braking perfor- denly, have a Yamaha dealer 1. Minimum level mark mance. check the cause. EAU00732...
Changing the brake fluid Checking the V-belt Checking and lubricating the cables Have a Yamaha dealer change the The V-belt must be checked by a brake fluid at the intervals specified in Yamaha dealer at the intervals speci- The operation of all control cables and...
PERIODIC MAINTENANCE AND MINOR REPAIR EAU04034 Checking and lubricating the throttle grip and cable The operation of the throttle grip should be checked before each ride. In addi- tion, the cable should be lubricated or replaced at the intervals specified in the periodic maintenance chart.
If any free Securely support the motorcycle so position. play can be felt, have a Yamaha that there is no danger of it falling 2. While applying the front brake, dealer check or repair the steer- over.
Yamaha dealer tervals specified in the periodic mainte- check the wheel bearings. nance and lubrication chart.
Page 57
PERIODIC MAINTENANCE AND MINOR REPAIR EW000116 KEEP THIS AND ALL BATTER- WARNING IES OUT OF THE REACH OF Electrolyte is poisonous and CHILDREN. dangerous since it contains sul- EC000100 furic acid, which causes severe CAUTION: burns. Avoid any contact with Use only distilled water, as tap water skin, eyes or clothing and al- contains minerals that are harmful...
PERIODIC MAINTENANCE AND MINOR REPAIR 2. If the battery will be stored for EAU01307* Replacing the fuse more than two months, check the The fuse is located behind panel A. specific gravity of the electrolyte at (See page 6-4 for panel removal and least once a month and fully installation procedures.) charge the battery whenever nec-...
Page 59
7. Turn the key to “ON” and turn on the electrical circuits to check if the devices operate. 8. If the fuse immediately blows again, have a Yamaha dealer 1. Starter relay 1. Fuse check the electrical system. 2. Spare fuse 3.
If a headlight bulb burns out, replace it as follows. EC000107 CAUTION: It is advisable to have a Yamaha dealer perform this job. 1. Place the motorcycle on the cen- 1. Headlight bulb cover (× 2) 1. Headlight bulb socket (× 2) terstand.
Replacing a front turn signal turning it clockwise. light bulb 9. Install the cowling. EC000107 10. Have a Yamaha dealer adjust the CAUTION: headlight beam if necessary. It is advisable to have a Yamaha dealer perform this job. 1. Place the motorcycle on the cen- terstand.
EC000107 push it in, and then turn it clock- CAUTION: wise until it stops. It is advisable to have a Yamaha 5. Place the tail/brake light lens into dealer perform this job. the original position, and then in- stall the screws.
Page 63
PERIODIC MAINTENANCE AND MINOR REPAIR Turn signal light bulb 1. Remove the tail/brake light lens. (See “Tail/brake light bulb” for lens removal and installation proce- dures.) 1. Turn signal light bulb (× 2) 2. Pull the turn signal light lens off. 3.
However, should your motorcycle require any repair, take it to a Yamaha dealer, whose skilled technicians have the necessary tools, experience, and know-how to service the motorcycle properly.
Remove the spark plug and check 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.
M OTORCYCLE CLEANING AND STORAGE EAK00000 6. Remove the battery and charge it. EAK01302* EAK00700* A. CLEANING B. STORAGE Store it in a dry place and re- Frequent, thorough cleaning of your Long term storage (60 days or more) of charge it once a month.
S PECIFICATIONS EAU01038 Specifications CS-01E Model AT115 Engine oil SAE 20W-50 API Service “SF” Dimensions Type type motor oil Overall length 1,935 mm Capacity Overall width 675 mm Periodic oil change 0.8 L Overall height 1,070 mm Total amount (dry engine) 0.9 L Seat height 755 mm...
SPECIFICATIONS Transmission Tire air pressure (measured on cold tires) Primary reduction system Helical gear Front 200 kPa (2.00 kgf/cm Primary reduction ratio 3.133 Rear 225 kPa (2.25 kgf/cm Secondary reduction system Spur gear Wheels Secondary reduction ratio 3.583 Front Number of drive chain sprocket teeth (rear/front) 43/12 Type...
Page 69
SPECIFICATIONS Spring/shock absorbers Front Coil spring / oil damper Rear Coil spring / oil damper Wheel travel Front 80 mm Rear 55 mm Electrical Ignition system DC. C.D.I. Charging system Type A.C. magneto Standard output 14 V, 105 W@ 5,000 r/min Battery Model Local made...
Identification numbers Record the key identification number and engine serial number in the spaces provided below for assistance when or- dering spare parts from a Yamaha dealer or for reference in case the vehi- cle is stolen. 1. Frame serial number 1.
Page 72
YAMAHA MOTOR CO., LTD. PRINTED IN INDONESIA...