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Perio

d

ic maintenance an

d

 a

d

justment

7-22

7

EAU44821

Checkin

g

 the shift pe

d

al

The operation of the shift pedal should
be checked before each ride. If opera-
tion is not smooth, have a Yamaha
dealer check the vehicle.

EAU22275

Brake li

g

ht switches

The brake light is activated by switches
connected to the brake lever and brake
pedal. Check that the brake light
comes on just before braking takes ef-
fect. If necessary, adjust the rear brake
light switch as follows.

Turn the rear brake light switch adjust-
ing nut while holding the rear brake
light switch in place. To make the
brake light come on earlier, turn the ad-
justing nut in direction (a). To make the
brake light come on later, turn the ad-
justing nut in direction (b).

TIP

The front brake light switch should be
serviced by a Yamaha dealer.

1. Rear brake light switch adjusting nut
2. Rear brake light switch

2

1

(a)

(b)

UB9FEYE0.book  Page 22  Monday, July 12, 2021  5:47 PM

Содержание SR400 2022

Страница 1: ...OTORCYCLE OWNER S MANUAL Specifications Consumer information Motorcycle care and storage Periodic maintenance and adjustment For your safety pre operation checks Instrument and control functions Descr...

Страница 2: ...EAU93780 Read this manual carefully before operating this vehicle This manual should stay with this vehicle if it is sold UB9FEYE0 book Page 1 Monday July 12 2021 5 47 PM...

Страница 3: ...n addition the many tips given in this manual will help keep your motorcycle in the best possible condition If you have any further questions do not hesitate to contact your Yamaha dealer The Yamaha t...

Страница 4: ...ntial personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death A WARNING indicates a hazardous situation which if not avoided could result in death or...

Страница 5: ...NUAL 2022 by Yamaha Motor Co Ltd 1st edition June 2021 All rights reserved Any reprinting or unauthorized use without the written permission of Yamaha Motor Co Ltd is expressly prohibited Printed in J...

Страница 6: ...5 Periodic maintenance and adjustment 7 1 Tool kit 7 2 Periodic maintenance chart for the emission control system 7 3 General maintenance and lubrication chart 7 5 Removing and installing panels 7 9 C...

Страница 7: ...the headlight bulb 7 34 Replacing the brake tail light bulb 7 35 Replacing a turn signal light bulb 7 36 Front wheel 7 37 Rear wheel 7 39 Troubleshooting 7 40 Troubleshooting chart 7 42 Motorcycle ca...

Страница 8: ...vehicle They contain important information for safe and proper operation of your vehicle Never remove any labels from your vehicle If a label becomes difficult to read or comes off a replacement label...

Страница 9: ...Location of important labels 1 2 1 B27 2117B 03 B27 21668 01 2 1 UB9FEYE0 book Page 2 Monday July 12 2021 5 47 PM...

Страница 10: ...ou Safe Riding Perform the pre operation checks each time you use the vehicle to make sure it is in safe operating condition Failure to inspect or maintain the vehi cle properly increases the possibil...

Страница 11: ...o main tain control of the motorcycle The passenger should always hold onto the operator the seat strap or grab bar if equipped with both hands and keep both feet on the passenger footrests Never carr...

Страница 12: ...cycle is changed To avoid the possibility of an accident use extreme caution when adding cargo or accessories to your motorcycle Use extra care when riding a motorcycle that has added cargo or accesso...

Страница 13: ...change any of the vehicle s design or operation characteristics can put you and others at greater risk of serious injury or death You are responsible for injuries related to changes in the vehicle Kee...

Страница 14: ...that are attached to solid parts of the mo torcycle such as the frame or up per front fork triple clamp and not for example to rubber mounted handlebars or turn signals or parts that could break Choos...

Страница 15: ...and their usage Half type use only for riding at low speeds Full type use only for riding at low to mid range speeds Full face type use for riding at mid range to high speeds ZAUU0003 ZAUU0007 ZAUU000...

Страница 16: ...2 2 Engine oil filler cap page 7 12 3 Fuel tank cap page 4 8 4 Fuel cock page 4 10 5 Battery page 7 31 6 Fuses page 7 32 7 Helmet holder page 4 12 8 Luggage strap holder page 4 13 9 Spring preload adj...

Страница 17: ...gage strap holder page 4 13 2 Air filter element page 7 15 3 Kickstarter page 4 11 4 Kick indicator page 6 2 5 Headlight page 7 34 6 Brake pedal page 4 7 7 Tool kit page 7 2 8 Spring preload adjuster...

Страница 18: ...switches page 4 5 3 Speedometer unit page 4 4 4 Main switch steering lock page 4 2 5 Tachometer page 4 5 6 Front brake fluid reservoir page 7 23 7 Right handlebar switches page 4 5 8 Brake lever page...

Страница 19: ...standard keys as well as keys of other immobilizer systems away from the code re registering key Keep other immobilizer system keys away from the main switch as they may cause signal interfer ence NO...

Страница 20: ...nnot be removed TIP To prevent battery discharge do not leave the key in the ON posi tion without the engine running The headlight comes on automat ically when the engine is started EAU10662 OFF All e...

Страница 21: ...evel drops below approximately 2 2 L 0 58 US gal 0 48 Imp gal When this occurs refuel as soon as possible TIP When the vehicle is turned on the light should come on for a few seconds and then go off O...

Страница 22: ...y the following 1 Make sure there are no other im mobilizer keys close to the main switch 2 Use the code re registering key to start the engine 3 If the engine starts turn it off and try starting the...

Страница 23: ...U1234R Handlebar switches Left Right EAU12352 Pass switch Press this switch to flash the headlight TIP When the dimmer switch is set to the passing switch has no ef fect EAU12402 Dimmer switch Set thi...

Страница 24: ...FF The hazard lights simultaneous flash ing of all turn signal lights are used in case of an emergency such as to warn other drivers when your vehicle is stopped where it might be a traffic haz ard Se...

Страница 25: ...gear move the shift pedal down See page 6 3 EAU12892 Brake lever The brake lever is located on the right side of the handlebar To apply the front brake pull the lever toward the throttle grip EAU12944...

Страница 26: ...is a fire hazard EAU13222 Fuel Make sure there is sufficient gasoline in the tank WARNING EWA10882 Gasoline and gasoline vapors are extremely flammable To avoid fires and explosions and to reduce the...

Страница 27: ...research octane number of 90 or higher If en gine knocking or pinging occurs use a gasoline of a different brand or higher octane rating Gasohol There are two types of gasohol gaso hol containing eth...

Страница 28: ...Make sure that the exhaust sys tem has cooled down before doing any maintenance work Do not allow the engine to idle more than a few minutes Long idling can cause a build up of heat EAU59492 Fuel coc...

Страница 29: ...n into the neutral position before starting is recommended EAU13701 Decompression lever When this lever is pulled the exhaust valve is forced open so that the com pression pressure can be reduced This...

Страница 30: ...AU14885 Adjusting the shock absorber assemblies WARNING EWA10211 Always adjust both shock absorber assemblies equally otherwise poor handling and loss of stability may re sult Each shock absorber asse...

Страница 31: ...tion of the ignition circuit cut off system WARNING EWA10242 The vehicle must not be ridden with the sidestand down or if the side stand cannot be properly moved up or does not stay up otherwise the s...

Страница 32: ...ne starts unless the clutch lever is pulled and the sidestand is up Also it will stop the running engine should the sidestand be lowered while the trans mission is in gear Periodically check the syste...

Страница 33: ...the sidestand up 12 Pull the clutch lever 13 Push the kickstarter lever down Does the engine start The system is OK The motorcycle can be ridden The sidestand switch may not be working The motorcycle...

Страница 34: ...Yamaha dealer Before using this vehicle check the following points ITEM CHECKS PAGE Fuel Check fuel level in fuel tank Refuel if necessary Check fuel line for leakage 4 8 Engine oil Check oil level in...

Страница 35: ...tires Check for damage Check tire condition and tread depth Check air pressure Correct if necessary 7 17 7 19 Shift pedal Make sure that operation is smooth Correct if necessary 7 22 Brake pedal Make...

Страница 36: ...tion checks 5 3 5 Sidestand switch Check operation of ignition circuit cut off system If system is not working correctly have Yamaha dealer check vehicle 4 13 ITEM CHECKS PAGE UB9FEYE0 book Page 3 Mon...

Страница 37: ...t 1600 km 1000 mi The various parts in the engine wear and polish themselves to the correct operating clearances During this period prolonged full throt tle operation or any condition that might resul...

Страница 38: ...nd apply the decompression lever 5 Slowly push the kickstarter lever down until the starting mark shows on the kick indicator 6 Release the decompression lever release the kickstarter lever and then p...

Страница 39: ...ly push the kick starter lever down to restart the engine EAUN0073 NOTICE ECAN0072 Do not ride through deep water oth erwise the engine may be damaged Avoid puddles because they may be deeper than exp...

Страница 40: ...t the transmission into the neutral posi tion 6 Open the throttle part way and gradually release the clutch lever 7 Follow the same procedure when shifting to the next higher gear EAU85380 To decelera...

Страница 41: ...ng it idle for an extended length of time e g in traffic jams at traf fic lights or at railroad crossings EAU17214 Parking When parking stop the engine and then remove the key from the main switch WAR...

Страница 42: ...performing maintenance unless otherwise specified A running engine has moving parts that can catch on body parts or clothing and electrical parts that can cause shocks or fires Running the engine whil...

Страница 43: ...is manual and the tools provided in the tool kit are intended to assist you in the perfor mance of preventive maintenance and minor repairs However a torque wrench and other tools are necessary to per...

Страница 44: ...maintenance chart for the emission control system No ITEM ROUTINE INITIAL ODOMETER READINGS ANNUAL CHECK 1000 km or 1 month 7000 km or 6 months 13000 km or 12 months 19000 km or 18 months 25000 km or...

Страница 45: ...000 mi and thereafter every 12000 km 8000 mi 8 Air induction sys tem Check the air cut off valve reed valve and hose for damage Replace any damaged parts if necessary At 19000 km 12000 mi and thereaft...

Страница 46: ...eck operation Adjust or replace cable 4 Timing chain Check timing chain tensioner Adjust if necessary 5 Decompression system Check operation Adjust or replace cable 6 Front brake Check operation fluid...

Страница 47: ...ly Every 500 km 300 mi and after washing the motorcycle riding in the rain or riding in wet areas 15 Steering bearings Check bearing assemblies for looseness Moderately repack with lithium soap based...

Страница 48: ...d vehicle for oil leakage 25 Engine oil filter ele ment Replace 26 Front and rear brake switches Check operation 27 Control cables Apply Yamaha cable lubricant or other suitable cable lubricant thorou...

Страница 49: ...ced more frequently when riding in unusually wet or dusty areas Hydraulic brake service After disassembling the brake master cylinder and caliper always change the fluid Regularly check the brake flui...

Страница 50: ...this chapter Refer to this section each time a panel needs to be removed and installed EAU85681 Panel A To remove the panel Remove the bolt and then pull the panel off as shown To install the panel P...

Страница 51: ...s 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 ma...

Страница 52: ...ness gauge and if nec essary adjust the gap to specifi cation To install the spark plug 1 Clean the surface of the spark plug gasket and its mating sur face and then wipe off any grime from the spark...

Страница 53: ...a level surface and then wait a few minutes for the oil level to settle for an accurate reading 3 Remove the engine oil filler cap wipe the dipstick clean insert it back into the oil filler hole witho...

Страница 54: ...l tank drain bolt and gasket to drain the oil from the oil tank TIP Perform steps 6 8 when replacing the oil filter element 6 Remove the oil filter element cover by removing the bolts 7 Remove the use...

Страница 55: ...on of CD or oils of a high er quality than specified In addition do not use oils labeled ENERGY CONSERVING II or higher Make sure that no foreign mate rial enters the crankcase 13 Start the engine and...

Страница 56: ...oil clears our performance standards Thus Yamalube mineral semisynthetic and synthetic oils have their own distinct characters and value Yamaha s expe rience gained over many years of re search and d...

Страница 57: ...filter case cover by installing the screws 6 Install the panel EAU44735 Checking the engine idling speed Check the engine idling speed and if necessary have it corrected by a Yamaha dealer EAU21386 C...

Страница 58: ...es Tire air pressure The tire air pressure should be checked and if necessary adjusted before each ride WARNING EWA10504 Operation of this vehicle with im proper tire pressure may cause se vere injury...

Страница 59: ...since the tire surface must first be broken in for it to develop its optimal characteristics Tire information This model is equipped with tube tires Tires age even if they have not been used or have...

Страница 60: ...with tubeless tires Do not attempt to use tubeless tires on this model EAU48293 Adjusting the clutch lever free play Measure the clutch lever free play as shown Periodically check the clutch lever fre...

Страница 61: ...ng properly A soft or spongy feeling in the brake lever can indicate the presence of air in the hydraulic system If there is air in the hy draulic system have a Yamaha dealer bleed the system before o...

Страница 62: ...ust it as fol lows To increase the brake pedal free play turn the brake pedal free play adjusting nut at the brake rod in direction a To decrease the brake pedal free play turn the adjusting nut in di...

Страница 63: ...t comes on just before braking takes ef fect If necessary adjust the rear brake light switch as follows Turn the rear brake light switch adjust ing nut while holding the rear brake light switch in pla...

Страница 64: ...hich allows you to check the brake shoe wear without having to disassemble the brake To check the brake shoe wear check the position of the wear indicator while applying the brake If a brake shoe has...

Страница 65: ...ces or plastic parts Always clean up spilled fluid immediately As the brake pads wear it is normal for the brake fluid level to gradually go down A low brake fluid level may indi cate worn brake pads...

Страница 66: ...its ECA10572 EAU59643 To adjust the drive chain slack Consult a Yamaha dealer before ad justing the drive chain slack 1 Take the motorcycle off the cen terstand and then put the side stand down 2 Loos...

Страница 67: ...at the intervals specified in the periodic maintenance and lubrica tion chart otherwise it will quickly wear out especially when riding in dusty or wet areas Service the drive chain as follows NOTICE...

Страница 68: ...ealer check or re place it WARNING Damage to the outer housing of cables may result in internal rusting and cause inter ference with cable movement Re place damaged cables as soon as possible to preve...

Страница 69: ...be lu bricated if necessary Brake lever Clutch lever EAU23185 Checking and lubricating the brake pedal The operation of the brake pedal should be checked before each ride and the pedal pivot should be...

Страница 70: ...s not move up and down smoothly have a Yamaha dealer check or re pair it Otherwise the centerstand or sidestand could contact the ground and distract the operator resulting in a possible loss of contr...

Страница 71: ...al times to check if the front fork compresses and re bounds smoothly NOTICE ECA10591 If any damage is found or the front fork does not operate smoothly have a Yamaha dealer check or re pair it EAU455...

Страница 72: ...poisonous and dangerous since it contains sul furic acid which causes severe burns Avoid any contact with skin eyes or clothing and al ways shield your eyes when working near batteries In case of cont...

Страница 73: ...more than two months check it at least once a month and fully charge it if necessary 3 Fully charge the battery before in stallation NOTICE When install ing the battery be sure the key is turned to OF...

Страница 74: ...causing extensive damage to the electrical system and possi bly a fire EWA15132 6 Connect the battery coupler 7 Install the battery and the battery band 8 Install the seat 9 Turn the main switch on a...

Страница 75: ...adlight bulb burns out replace it as follows NOTICE ECA26690 Do not touch the glass part of the headlight bulb Otherwise the luminosity and the life of the bulb may be adversely affected Thoroughly cl...

Страница 76: ...bulb cover and then connect the coupler 6 Install the headlight unit by install ing the screws 7 Have a Yamaha dealer adjust the headlight beam if necessary EAU70550 Replacing the brake tail light bu...

Страница 77: ...by removing the screws 2 Remove the burnt out bulb by pushing it in and turning it coun terclockwise 3 Insert a new bulb into the socket push it in and then turn it clock wise until it stops 4 Instal...

Страница 78: ...here is no danger of it falling over 1 Loosen the wheel axle nut 2 Loosen the wheel axle holder nuts 3 Place the motorcycle on the cen terstand 4 Disconnect the speedometer ca ble from the speedometer...

Страница 79: ...the slot in the speedometer gear unit fits over the retainer on the fork leg 4 Insert the wheel axle from the left side and then install the washer and axle nut 5 Take the motorcycle off the cen terst...

Страница 80: ...haft lever 5 Loosen the drive chain puller lock nut and the drive chain slack ad justing bolt on both ends of the swingarm 6 Remove the axle nut and washer 7 While supporting the rear wheel pull the w...

Страница 81: ...operation of the brake light EAU25853 Troubleshooting Although Yamaha motorcycles receive a thorough inspection before shipment from the factory trouble may occur during operation Any problem in the f...

Страница 82: ...iodic maintenance and adjustment 7 41 7 heaters or furnaces Gasoline or gasoline vapors can ignite or ex plode causing severe injury or prop erty damage UB9FEYE0 book Page 41 Monday July 12 2021 5 47...

Страница 83: ...move the spark plug and check the electrodes 3 Ignition Wipe off with a dry cloth and correct the spark plug gap or replace the spark plug s Have a Yamaha dealer check the vehicle The engine does not...

Страница 84: ...in tenance products are sold under the YAMALUBE brand in many markets worldwide See your Yamaha dealer for addi tional cleaning tips NOTICE ECA26280 Improper cleaning can cause cos metic and mechanica...

Страница 85: ...ield with a soft towel or sponge dampened with water and a pH neutral detergent If necessary use a high quality windshield cleaner or polish for motorcycles NOTICE Never use any strong chemicals to cl...

Страница 86: ...rakes or tires If necessary wash the tires with warm water and a mild deter gent If necessary clean the brake discs and pads with brake cleaner or acetone Before riding at higher speeds test the vehic...

Страница 87: ...his will limit spark ing during the next step d Turn the engine over several times with the starter This will coat the cylinder wall with oil WARNING To prevent dam age or injury from sparking make su...

Страница 88: ...tity Oil change 2 00 L 2 11 US qt 1 76 Imp qt With oil filter removal 2 10 L 2 22 US qt 1 85 Imp qt Fuel Recommended fuel Unleaded gasoline E10 acceptable Octane number RON 90 Fuel tank capacity 12 L...

Страница 89: ...l system System voltage 12 V Battery Model GT4B 5 Voltage capacity 12 V 2 5 Ah 10 HR Headlight Bulb type Halogen bulb Bulb wattage Headlight H4 60 0 W 55 0 W Brake tail light 21 0 W 5 0 W Front turn s...

Страница 90: ...IAL NUMBER MODEL LABEL INFORMATION EAU26401 Vehicle identification number The vehicle identification number is stamped into the steering head pipe Record this number in the space pro vided TIP The veh...

Страница 91: ...urpos es Although the sensors and recorded data will vary by model the main data points are Vehicle status and engine perfor mance data Fuel injection and emission relat ed data This data will be uplo...

Страница 92: ...e provided and Yamaha will appropriate ly manage the data With the consent of the vehicle owner Where obligated by law For use by Yamaha in litigation When the data is not related to an individual veh...

Страница 93: ...el 4 8 Fuel cock 4 10 Fuel consumption tips for reducing 6 5 Fuel level warning light 4 3 Fuel tank cap 4 8 Fuses replacing 7 32 H Handlebar switches 4 5 Hazard lights switch 4 6 Headlight bulb replac...

Страница 94: ...leshooting 7 40 Troubleshooting chart 7 42 Turn signal indicator light 4 3 Turn signal light bulb replacing 7 36 Turn signal switch 4 6 V Valve clearance 7 17 Vehicle identification number 10 1 W Whee...

Страница 95: ...UB9FEYE0 book Page 3 Monday July 12 2021 5 47 PM...

Страница 96: ...DIC183 PRINTED IN JAPAN 2021 08 0 3 1 CR E...

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