Yamaha YFZ45RSEB Owner's Manual

18P-28199-16LIT-11626-25-19This ATV should not be ridden by anyone under 16 years of age.WARNINGYFZ45RBYFZ45RSEBOWNER’S MANUALREAD THIS MANUAL CAREFUL

1-21EBU17670Read and understand all of the labels on your ATV. These labels contain important information for safe andproper operation.Never remove an

8-2088. Remove the oil filter element and the O-rings.9. Install a new oil filter element and new O-rings.TIPMake sure that the O-rings are properly s

8-21811. Install the crankcase engine oil drain bolt, theengine oil tank drain bolt and their new gasket,and then tighten the bolts to their specified

8-22815. Install the engine guard by installing the bolts,and then tighten them to the specified torque.NOTICE: Be sure to apply LOCTITE® to theengine

8-2383. If the coolant is at or below the minimum levelmark, remove the coolant reservoir cap, addcoolant or distilled water to the maximum levelmark,

8-2481. Place the ATV on a level surface.2. Remove the seat. (See page 4-11.)3. Remove the air filter case cover by unhookingthe holders.4. Fully loos

8-2586. Remove the wing bolt and washer from the airfilter element.7. Remove the sponge material from the air filterelement frame.8. Wash the sponge m

8-26810. Check the sponge material and replace it ifdamaged.11. Apply Yamaha foam air filter oil or other qual-ity foam air filter oil to the sponge m

8-27815. Insert the air filter element into the air filtercase, and then tighten the wing bolt. NOTICE:Make sure that the air filter element isproperl

8-2882. Remove the tailpipe by pulling it out of themuffler.3. Tap the tailpipe lightly, and then use a wirebrush to remove any carbon deposits from t

8-2987. Start the engine and rev it up approximatelytwenty times while momentarily creating ex-haust system back pressure by blocking theend of the mu

1-3143P-2817J-10This ATV complies with applicable provisions ofANSI/SVIA 1-2010 and is subject to an approvedATV action plan submitted by YAMAHA and o

8-308The throttle lever free play should measure 2.0–4.0 mm (0.08–0.16 in) as shown. Periodicallycheck the throttle lever free play and, if necessary,

8-318EBU29560Front brake padsEach brake pad is provided with wear indicatorgrooves, which allow you to check the brake padwear without having to disas

8-328EBU29501Checking the brake fluid level Before riding, check that the brake fluid is abovethe minimum level mark. Check the brake fluid lev-el wit

8-338● Insufficient brake fluid may allow air to enterthe brake system, reducing braking perfor-mance.● Clean the filler cap before removing. Useonly

8-348EBU24613Checking the brake pedal height The brake pedal height must be checked and, ifnecessary, adjusted at the intervals specified in theperiod

8-3581. Release the parking brake by moving theparking brake lever to the right.2. Fully loosen the locknut and the adjusting boltat the rear brake ca

8-368hold the adjusting bolt with a wrench sothat it does not turn together with the lock-nut. [ECB00521]WARNINGEWB02090Operating with improperly serv

8-378The clutch lever free play should measure 8.0–13.0 mm (0.31–0.51 in) as shown. If the free playis incorrect, adjust it as follows.1. To increase

8-388EBU26864Drive chain slack The drive chain slack should be checked beforeeach ride and adjusted if necessary.To check the drive chain slack1. Plac

8-398TIPA rod can be obtained at a Yamaha dealer to makethis adjustment.4. Shift the transmission into neutral.5. To tighten the drive chain, push the

1-41PREMIUMUNLEADED GASOLINE ONLY91 Min.PumpOctane (R+M) / 25PW-2415E-11WARNINGThis unit contains high pressure nitrogen gas.Mishandling can cause

8-408EBU24882Lubricating the drive chain The drive chain must be cleaned and lubricated atthe intervals specified in the periodic maintenanceand lubri

8-418essary. If a cable is damaged or does not movesmoothly, have a Yamaha dealer check or replaceit.WARNINGEWB02581● Inspect cables frequently and re

8-428Clutch leverEBUM0170Checking the shift pedal The operation of the shift pedal should be checkedbefore each ride. If operation is not smooth, have

8-438EBU24995Lubricating the swingarm pivots The swingarm pivots must be lubricated by aYamaha dealer at the intervals specified in the pe-riodic main

8-448Left side Right sideEBU25092Lubricating the steering shaft The steering shaft must be lubricated by a Yamahadealer at the intervals specified in

8-458EBU29189Battery The battery is located under the seat. (See page4-11.)This model is equipped with a VRLA (Valve Regu-lated Lead Acid) battery. Th

8-4684. Pull the battery out of its compartment.To charge the batteryHave a Yamaha dealer charge the battery as soonas possible if it seems to have di

8-4782. Connect the positive battery lead first, thenconnect the negative battery lead by installingtheir bolt. NOTICE: When installing the bat-tery,

8-4882. Remove the blown fuse, and then install anew fuse of the specified amperage.WARNING! Always use a fuse of the spec-ified rating, and never use

8-4983. Remove the headlight bulb holder by pushingit in and turning it counterclockwise, and thenremove the burnt-out bulb.4. Place a new headlight b

2-12EBU17431SAFETY INFORMATIONEBU29353AN ATV IS NOT A TOY AND CAN BE HAZARD-OUS TO OPERATE.An ATV handles differently from other vehicles, in-cluding

8-5088. Adjust the headlight beam if necessary.EBU25561Adjusting a headlight beam NOTICEECB00690It is advisable to have a Yamaha dealer makethis adjus

8-5183. Elevate the ATV and place a suitable standunder the frame.4. Remove the nuts from the wheel.5. Remove the wheel.EBU27481Installing a wheel 1.

8-528EBU25740Troubleshooting Although Yamaha ATVs receive a thorough in-spection before shipment from the factory, troublemay occur during operation.

8-538EBU27693Troubleshooting charts Starting problems or poor engine performanceCheck the fuel level inthe fuel tank.1. FuelThere is enough fuel.There

8-548Engine overheatingWARNINGEWB02290Wait for the engine and radiator to cool before removing the radiator cap. You could be burned byhot fluid and s

9-19EBU25860CLEANING AND STORAGEEBU25902Cleaning Frequent, thorough cleaning of your ATV will notonly enhance its appearance but will improve itsgener

9-29EBU27261Storage Short-termAlways store your ATV in a cool, dry place and, ifnecessary, protect it against dust with a porouscover. NOTICE: Storing

9-396. Cover the muffler outlet with a plastic bag toprevent moisture from entering it.7. Remove the battery and fully charge it. Storeit in a cool, d

10-110EBU25961SPECIFICATIONS Dimensions:Overall length:1795 mm (70.7 in)Overall width:1240 mm (48.8 in)Overall height:1065 mm (41.9 in)Seat height:810

10-210Engine oil quantity:Without oil filter element replacement:1.40 L (1.48 US qt, 1.23 Imp.qt)With oil filter element replacement:1.45 L (1.53 US q

2-22● Always inspect your ATV each time you use it tomake sure it is in safe operating condition. Al-ways follow the inspection and maintenanceprocedu

10-310Trail:21.0 mm (0.83 in)Front tire:Type:TubelessSize:AT21 x 7R10Manufacturer/model:DUNLOP/KT352 RadialRear tire:Type:TubelessSize:AT20 x 10R9Manu

10-410Rear suspension:Type:Swingarm (link suspension)Spring/shock absorber type:Coil spring/gas-oil damperWheel travel:280 mm (11.0 in)Electrical syst

11-111EBU25981CONSUMER INFORMATIONEBU26013Identification numbers Record the key identification number, vehicle iden-tification number and model label

11-211TIPThe vehicle identification number is used to identifyyour ATV.EBU26050Model label The model label is affixed at the location in the il-lustra

11-3111. Vehicle Emission Control Information label1U18P16E0.book Page 3 Wednesday, May 11, 2011 3:49 PM

11-411EBU26060Noise regulation TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED:Federal law prohibits the following acts or the causing thereof: (1) The

11-511EBU26080Maintenance record Copies of work orders and/or receipts for parts you purchase and install will be required to document main-tenance do

11-611EBU26501YAMAHA MOTOR CORPORATION, U.S.A. ATV LIMITED WARRANTY Yamaha Motor Corporation, U.S.A. hereby warrants that new Yamaha ATVs purchased fr

11-711WARRANTY QUESTIONS AND ANSWERSQ. What costs are my responsibility during the warranty period?A. The customer’s responsibility includes all costs

11-811EBU26124YAMAHA EXTENDED SERVICE (Y.E.S.) Keep your Yamaha protected even after your warranty expires with genuine Yamaha Extended Service (Y.E.S

2-32speed when climbing a hill. If you stall or rollbackwards, follow the special procedure forbraking described in this manual. Dismount onthe uphill

11-911We urge you to act now. You’ll get the excellent benefits of TRIP coverage right away, and you’ll rest easy knowing you’ll have strong factory-b

INDEXAAccessories and loading ... 6-6Air filter element, cleaning ...

MMain switch ... 4-1Maintenance and lubrication chart ...

EBU30390For your best ownership experience, think Genuine Yamaha!Genuine Yamaha Parts – Genuine Yamaha replacement parts are the exact same parts as

PRINTED IN JAPAN2011.05-0.8×1 CR(E)PRINTED ON RECYCLED PAPEREBU26141LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS.(For replacem

2-42WARNINGEWB00072Avoid Carbon Monoxide PoisoningAll engine exhaust contains carbon monoxide,a deadly gas. Breathing carbon monoxide cancause headach

3-13EBU17680DESCRIPTION EBU17690Left viewEBU17700Right view1. Front shock absorber assembly compression damping force adjusting bolt (for fast compres

3-23EBU17712Controls and instrumentsTIPThe ATV you have purchased may differ slightlyfrom the figures shown in this manual.1. Clutch lever2. Parking b

4-14EBU17725INSTRUMENT AND CONTROL FUNCTIONSWARNINGEWB00011Indicates a hazardous situation which, if notavoided, could result in death or serious inju

EBU17092Read this manual carefully before operating this vehicle. This manual should stay with this ve-hicle if it is sold.U18P16E0.book Page 1 Wedn

4-24EBU29382Indicator light and warning lights EBU17860Neutral indicator light “” This indicator light comes on when the transmis-sion is in the neutr

4-34EBU29931Fuel level warning light “” This warning light comes on when the fuel leveldrops below approximately 3.4 L (0.90 US gal,0.75 Imp.gal). Whe

4-44to stop the engine in an emergency situation. Theengine will not start or run when this switch is setto “”.EBU18101Start switch “” Push this switc

4-54EBU18323Speed limiter Your ATV is equipped with an adjustable speedlimiter. The speed limiter keeps the throttle fromfully opening, even when the

4-64leased slowly for smooth clutch operation. (Seepage 6-1 for a description of the ignition circuit cut-off system.)EBU18423Brake lever The brake le

4-74EBU18520Parking brake lever Use the parking brake before starting the engine orparking the ATV, especially on a slope. To applythe parking brake,

4-84WARNINGEWB00220● Always set the parking brake before startingthe engine. The ATV could start moving un-expectedly if the parking brake is not ap-p

4-94EBU18801Fuel Make sure there is sufficient gasoline in the tank.WARNINGEWB02521Gasoline and gasoline vapors are extremelyflammable. To avoid fires

4-1043. Wipe up any spilled fuel immediately.NOTICE: Immediately wipe off spilled fuelwith a clean, dry, soft cloth, since fuel maydeteriorate painted

4-114EBU18891Seat To remove the seatInsert your hand between the rear of the seat andthe rear fender, pull the seat lock lever upward andpull up the s

EBU17170INTRODUCTIONEBU17302Congratulations on your purchase of the Yamaha YFZ45RB/YFZ45RSEB. This ATV represents the resultof many years of Yamaha ex

4-124WARNINGEWB02491● Suspension components become hot duringoperation. Never touch the compressiondamping force adjusting bolt and screw, therebound

4-134TIP● A special wrench can be obtained at a Yamahadealer to make this adjustment.● The spring preload setting is determined bymeasuring distance A

4-144Rebound damping forceTurn the rebound damping force adjusting screw indirection (a) to increase the rebound dampingforce and thereby harden the d

4-154Compression damping force (for slow compres-sion damping)To increase the compression damping force andthereby harden the compression damping, tur

4-164WARNINGEWB00410These shock absorber assemblies containhighly pressurized nitrogen gas. Read and un-derstand the following information before han-

4-174NOTICEECB00090Never turn an adjusting mechanism beyondthe minimum and maximum settings.TIPAlthough the total number of clicks or turns of adampin

4-1844. Remove the air filter case holding plate by re-moving the bolts and collars.5. Remove the bolts, and then remove the air fil-ter case by disco

4-1946. Disconnect the coupler.7. Loosen the clamp screw at the throttle bodyside, and then disconnect the air intake ductfrom the throttle body.8. Lo

4-204TIP● A special wrench can be obtained at a Yamahadealer to make this adjustment.● The spring preload setting is determined bymeasuring distance A

4-21411. Connect the air intake duct to the throttlebody, and then tighten the clamp screw at thethrottle body side. NOTICE: Make sure thatthe air int

EBU17330IMPORTANT MANUAL INFORMATIONEBU17342FAILURE TO FOLLOW THE WARNINGS CONTAINED IN THIS MANUAL CAN RESULT IN SERIOUS IN-JURY OR DEATH.Particularl

4-224Compression damping forceRemove the seat to make this adjustment. (Seepage 4-11.) If the adjustment is difficult, it may benecessary to remove pa

4-234Compression damping force (for slow compres-sion damping)To increase the compression damping force andthereby harden the compression damping, tur

4-244WARNINGEWB00430This shock absorber assembly contains highlypressurized nitrogen gas. Read and under-stand the following information before han-dl

5-15EBU19201PRE-OPERATION CHECKSEBU19224Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Alwaysfollo

5-25Front brake• Check operation. If soft or spongy, have Yamaha dealer bleed hy-draulic system.• Check brake pads for wear, and replace if necessary.

5-35Brake and clutch levers• Make sure that operation is smooth. Lubricate lever pivoting points if necessary.8-41Chassis fasteners • Make sure that a

5-45EBU19541Fuel Make sure that there is sufficient fuel in the tank.(See page 4-9.)EBU19560Engine oil Make sure that the engine oil is at the specifi

5-55EBU19761Throttle lever Check the operation of the throttle lever. It mustopen smoothly and spring back to the idle positionwhen released. Have a Y

5-65Tire wear limitWhen the tire groove decreases to 3 mm (0.12 in)due to wear, replace the tire.Tire informationThis ATV is equipped with tubeless ti

5-75Aftermarket tires and rimsThe tires and rims that came with your ATV weredesigned to match the performance capabilitiesand to provide the best com

EBU17350IMPORTANT NOTICEEBU17362This ATV is designed and manufactured for off-road use only. It is illegal and unsafe to operate this ATV onany public

6-16EBU19873OPERATIONWARNINGEWB00011Indicates a hazardous situation which, if notavoided, could result in death or serious injury.EBU19901Read the Own

6-26● The clutch is disengaged with the transmissionin gear. However, it is recommended to shift intoneutral before starting the engine.4. Completely

6-36NOTICEECB00200Always close the throttle before shifting gears,otherwise damage to the engine and drive trainmay result.2. Pull the clutch lever to

6-46erly lubricated only when the engine is run-ning. Inadequate lubrication may damagethe transmission.● Always use the clutch when changing gears.Th

6-56EBU20904Parking on a slope WARNINGEWB00851Avoid parking on hills or other inclines. Park-ing on a hill or other incline could cause theATV to roll

6-66EBU20910Accessories and loading EBU20921Genuine Yamaha AccessoriesChoosing accessories for your ATV is an importantdecision. Genuine Yamaha Access

6-76EBU20941LoadingWARNINGEWB00820Never exceed the stated load capacity for thisATV. Overloading this ATV or carrying or tow-ing cargo improperly coul

6-86WARNINGEWB00011Indicates a hazardous situation which, if notavoided, could result in death or serious injury.U18P16E0.book Page 8 Wednesday, May

7-17EBU21132RIDING YOUR ATV U18P16E0.book Page 1 Wednesday, May 11, 2011 3:49 PM

7-27WARNINGEWB00011Indicates a hazardous situation which, if notavoided, could result in death or serious injury.EBU21597GETTING TO KNOW YOUR ATVThis

WARNINGEWB00011Indicates a hazardous situation which, if notavoided, could result in death or serious injury.EBU17420TABLE OF CONTENTSLOCATION OF THE

7-37niques described in this Owner’s Manual. For moreinformation about the training course, contact anauthorized ATV dealer or call 1-800-887-2887.Rid

7-47ApparelAlways wear the following to reduce risk of injury inan accident:● Approved motorcycle helmet that fits properly● Eye protection (goggles,

7-57Do not operate after or while consuming alco-hol or drugs.The operator’s performance capability is reducedby the influence of alcohol or drugs. Co

7-67opening, even when the throttle lever is pushed tothe maximum. Turning in the adjusting screw limitsthe maximum engine power available and de-crea

7-77During operationAlways keep your feet on the footrests during op-eration; otherwise, they may contact the rearwheels. WARNING! Removing even one

7-87questions, consult an authorized ATV dealer.WARNING! Operating this ATV with impropermodifications may cause changes in handlingwhich in some situ

7-97BE CAREFUL WHERE YOU RIDEThis ATV is designed for off-road use only.WARNING! Paved surfaces may seriously af-fect handling and control of the ATV,

7-107ful when operating on unfamiliar terrain. Al-ways be alert to changing terrain conditionswhen operating the ATV. [EWB01531]Do not operate on roug

7-117 Do not ride in areas posted “no trespassing”.Do not ride on private property without getting per-mission.Select a large, flat area off-road to b

7-127trol. [EWB02631] NOTICE: Do not shift gears withoutreleasing the throttle. Damage to the engine ordrive train may occur. [ECB01071]Use this same

Shifting ... 6-2Engine break-in ... 6-4Parking ...

7-137This procedure should be practiced at slow speedmany times in a large off-road area with no obsta-cles. If an incorrect technique is used, your A

7-147● Never open the throttle suddenly or makesudden gear changes. The ATV could flipover backwards.● Never go over the top of any hill at highspeed.

7-157Do not attempt to climb hills until you have mas-tered basic maneuvers on flat ground. Alwayscheck the terrain carefully before attempting anyhil

7-167If you start to roll backwards, DO NOT apply therear brake, and apply the front brake gradually.The ATV could easily tip over backwards. Whenfull

7-177RIDING DOWNHILLWARNINGEWB01131Going down a hill improperly could causeoverturns or loss of control. Always followproper procedures for going down

7-187CROSSING A SLOPEWARNINGEWB01632Improperly crossing hills or turning on hillscould cause loss of control or cause the ATV tooverturn.● Always foll

7-197CROSSING THROUGH SHALLOW WATERWARNINGEWB01641Operating this vehicle through deep or fast-flowing water can lead to loss of control or anoverturn.

7-207Test your brakes after leaving the water. If neces-sary, apply them several times to let friction dry outthe linings. Do not continue to ride you

7-217Riding over rough terrain should be done with cau-tion. Look out for obstacles which could causedamage to the ATV or could lead to an upset or ac

7-227With practice, over a period of time, skill at con-trolled sliding can be developed. The terrainshould be chosen carefully before attempting such

Checking and lubricating the brake pedal ... 8-42Checking the wheel hub bearings ... 8-42

7-237● If your ATV is traversing a sloping surface:Be sure to ride with your weight positioned to-wards the uphill side of the ATV to maintainproper b

8-18EBU2164APERIODIC MAINTENANCE AND ADJUSTMENTEBU21674Periodic inspection, adjustment, and lubricationwill keep your vehicle in the safest and most e

8-28EBU29571Owner’s manual and tool kit Be sure to always keep the owner’s manual, theowner’s tool kit and the low-pressure tire gaugewith the vehicle

8-38EBU21743Periodic maintenance chart for the emission control system TIP● For ATVs not equipped with an odometer or an hour meter, follow the month

8-485 * Exhaust system• Check for leakage and replace gasket(s) if neces-sary.• Check for looseness and tighten all screw clamps and joints if necessa

8-58EBU21865General maintenance and lubrication chart TIP● For ATVs not equipped with an odometer or an hour meter, follow the month maintenance inter

8-685 * Brake hoses• Check for cracks or other damage, and replace if necessary.√√√√• Replace. Every 4 years6 * Parking brake • Check operation and ad

8-7814 * Chassis fasteners• Make sure that all nuts, bolts, and screws are properly tightened.√√√√√15 *Shock absorber as-semblies• Check operation and

8-88EBU29430TIP● Some maintenance items need more frequent service if you are riding in unusually wet, dusty, sandy ormuddy areas, or at full-throttle

8-98WARNINGEWB00011Indicates a hazardous situation which, if notavoided, could result in death or serious injury.EBU30130Removing and installing the c

1-11EBU17660LOCATION OF THE WARNING AND SPECIFICATION LABELS 57124376U18P16E0.book Page 1 Wednesday, May 11, 2011 3:49 PM

8-1084. Remove the quick fasteners, and then slidethe panel backward and pull upward.5. Install the fuel tank cap by turning it clockwise.To install t

8-118Panels B and C (YFZ45RB)To remove a panel1. Remove panel A.2. Pull the panel off.To install a panel1. Place the panel in the original position.2.

8-128To install the cowling1. Place the cowling in the original position, andthen install the bolts.2. Install panels C, B and A.EBU29595Panel A (YFZ4

8-1384. Remove the quick fasteners, and then slidethe panel backward and pull upward.5. Install the fuel tank cap by turning it clockwise.To install t

8-148Panels B and C (YFZ45RSEB)To remove a panel1. Remove panel A.2. Pull the panel off.To install a panel1. Place the panel in the original position.

8-158To install the cowling1. Place the cowling in the original position, andthen tighten the quick fasteners.2. Install panels C, B and A.EBU29441Che

8-168Before installing the spark plug, the spark plug gapshould be measured with a wire thickness gaugeand, if necessary, adjusted to specification.Cl

8-178TIPTo achieve the proper engine oil temperature foran accurate oil level reading, the engine must havefirst completely cooled down, and then warm

8-188TIPWhen adding oil, be careful not to overfill the en-gine oil tank; the oil level rises faster starting fromthe half-level mark on the dipstick.

8-1986. Remove the crankcase engine oil drain boltand its gasket.TIPSkip steps 7–10 if the oil filter element is not beingreplaced.7. Remove the oil f