Yamaha YFM 90 2021 Owner'S Manual Download

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DIC183

YFM90R

OWNER’S MANUAL

MANUEL DU PROPRIÉTAIRE

MANUAL DEL PROPIETARIO

BD3-F8199-65

READ THIS MANUAL CAREFULLY!

It contains important safety information.

LIRE ATTENTIVEMENT CE MANUEL!

Il comprend d’importantes informations de sécurité.

¡LEA ESTE MANUAL ATENTAMENTE!

Contiene indicaciones importantes acerca de la seguridad.

Summary of Contents for YFM 90 2021

Page 1: ...EL PROPIETARIO BD3 F8199 65 READ THIS MANUAL CAREFULLY It contains important safety information LIRE ATTENTIVEMENT CE MANUEL Il comprend d importantes informations de s curit LEA ESTE MANUAL ATENTAMEN...

Page 2: ...DIC183 Original instructions Notice originale Manual original PRINTED IN TAIWAN 2020 02 E F S...

Page 3: ...AL CAREFULLY It contains important safety information WARNING OWNER S MANUAL YFM90R This ATV should not be ridden by anyone under 10 years of age BD3 F8199 65 E0 UBD365E0 book Page 1 Monday January 27...

Page 4: ...EBU28981 Read this manual carefully before operating this vehicle This manual should stay with this ve hicle if it is sold UBD365E0 book Page 1 Monday January 27 2020 9 05 AM...

Page 5: ...regarding the operation or maintenance of your ATV please consult a Yamaha dealer AN IMPORTANT SAFETY MESSAGE Read this manual completely before operating your ATV Make sure you understand all instruc...

Page 6: ...their youngster s riding skills improve Once the ATV rider can operate with skill at the top speed permitted by adjusting the vehicle speed limiter alone the engine speed limiter plate can be removed...

Page 7: ...e figures shown in this manual This is the safety alert symbol It is used to alert you to potential per sonal injury hazards Obey all safety messages that follow this sym bol to avoid possible injury...

Page 8: ...any paved surface paved street paved road or motorway Please check your local riding laws and regulations before operating this ATV EBU33790 YFM90R OWNER S MANUAL 2021 by Yamaha Motor Co Ltd 1st edit...

Page 9: ...peed limiter 5 3 Front brake lever 5 5 Rear brake lever 5 5 Parking brake 5 5 Drive select lever 5 6 Kickstarter 5 7 Fuel tank cap 5 8 Fuel 5 9 Fuel cock 5 10 Starter choke 5 12 Seat 5 13 Front shock...

Page 10: ...d lubrication 9 5 Checking the spark plug 9 9 Engine oil 9 10 Why Yamalube 9 13 Transmission oil 9 14 Cleaning the air filter element 9 15 Cleaning the spark arrester 9 18 Adjusting the carburetor 9 1...

Page 11: ...oving a wheel 9 34 Installing a wheel 9 35 Troubleshooting 9 36 Troubleshooting chart 9 37 CLEANING AND STORAGE 10 1 Cleaning 10 1 Storage 10 2 SPECIFICATIONS 11 1 INDEX 12 1 UBD365E0 book Page 3 Mond...

Page 12: ...EHICLE IDENTIFICATION NUMBER MODEL LABEL INFORMATION EBU26032 Vehicle identification number The vehicle identification number is stamped into the frame This 17 digit number is used to identify your in...

Page 13: ...pecific model can be identified by checking the model type code found on the model label 1 Model label 1 Model type code 2 Production code 3 Color code 1 1 3 2 UBD365E0 book Page 2 Monday January 27 2...

Page 14: ...he labels on your ATV These labels contain important information for safe and proper operation Never remove any labels from your ATV If a label becomes difficult to read or comes off request a re plac...

Page 15: ...2 2 2 BD3 F816R 20 BD3 F816L 50 E10 E5 BW4 F817K 10 1 3 2 4 UBD365E0 book Page 2 Monday January 27 2020 9 05 AM...

Page 16: ...2 3 2 BD3 F816P 50 25 kPa 0 25 kgf cm 3 6 psi 25 kPa 0 25 kgf cm 3 6 psi B8W F816M M0 YAMAHA MOTOR CO LTD SHIZUOKA JAPAN YAMAHA BW4 F155A 00 7 6 5 UBD365E0 book Page 3 Monday January 27 2020 9 05 AM...

Page 17: ...r chance of severe injury or death Use from 6 years old Operating this ATV if you are under the age of 6 increases your chance of severe injury or death Adult supervision required for children under a...

Page 18: ...ion mark Gasoline of ethanol 10 or less can be used EN228 fuel identification mark Gasoline of ethanol 5 or less can be used Use unleaded gasoline only Measure the tire pressure when the tires are col...

Page 19: ...a child under 10 years old to oper ate this ATV Never allow a child under 16 years old to oper ate an ATV without adult supervision Do not allow continued use of the ATV by a child if he or she does...

Page 20: ...faster speeds and never turn at excessive speeds Never operate the ATV on hills too steep for the ATV or for your abilities Practice on smaller hills before attempting larger hills Always follow prope...

Page 21: ...ice go slowly and be very cautious in order to reduce the chance of skidding or sliding out of control Never operate an ATV in fast flowing water or in water deeper than that recommended in this manua...

Page 22: ...ary If you can physically operate your vehicle inspect your vehicle If the vehicle is in safe operating con dition and you can safely operate it restart it and ride gently back to camp or other known...

Page 23: ...nge 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 re lated to changes in the vehicle Keep...

Page 24: ...n linger for hours or days in en closed or poorly ventilated areas If you experi ence any symptoms of carbon monoxide poisoning leave the area immediately get fresh air and SEEK MEDICAL TREATMENT Do n...

Page 25: ...3 7 3 UBD365E0 book Page 7 Monday January 27 2020 9 05 AM...

Page 26: ...ock 3 Air filter 4 Fuse 5 Battery 6 Rear shock absorber 7 Kickstarter lever cap 1 2 3 4 5 7 6 1 Spark arrester 2 Reflector 3 Tool kit 4 Front shock absorber 5 Spark plug 6 Engine oil filler cap 7 Tran...

Page 27: ...ments 1 Rear brake lever 2 Handlebar switches 3 Parking brake lock plate 4 Starter choke lever 5 Main switch 6 Throttle lever 7 Front brake lever 8 Drive select lever 1 2 3 5 6 7 4 8 UBD365E0 book Pag...

Page 28: ...All electrical systems are off The key can be re moved EBU17794 Indicator lights EBU17861 Neutral indicator light This indicator light comes on when the transmis sion is in the neutral position EBU17...

Page 29: ...switch is set to EBU18102 Start switch Push this switch to crank the engine with the start er See the starting instructions on page 7 1 prior to starting the engine EBU18286 Throttle lever Push the th...

Page 30: ...the vehicle speed limiter alone the engine speed limiter plate can be removed Since removal of this plate will result in a significant increase in power turn the vehicle speed limiter adjusting screw...

Page 31: ...ws 1 Remove the seat See page 5 13 2 Loosen the screws and then remove the plate as shown 3 Tighten the screws 4 Install the seat TIP Store the engine speed limiter plate with the Own er s Manual so t...

Page 32: ...ndle bar To apply the rear brake pull the brake lever toward the handlebar grip EBU18462 Parking brake Use the parking brake before starting the engine or after parking the ATV especially on a slope A...

Page 33: ...e The brake could overheat if you ride the ATV without re leasing the parking brake You could lose braking performance which could cause an accident You could also wear out the brakes prematurely EBU1...

Page 34: ...d then re move the kickstarter lever 2 Remove the kickstarter lever cap 3 Install the kickstarter lever 4 Move the kickstarter lever down lightly with your foot until the gears engage and then push it...

Page 35: ...k cap Remove the fuel tank cap by turning it counter clockwise WARNING EWB02522 Gasoline and gasoline vapors are extremely flammable To avoid fires and explosions and to reduce the risk of injury when...

Page 36: ...nce fuel may deteriorate painted surfaces or plastic parts ECB00982 4 Turn the fuel tank cap fully clockwise to make sure it is securely closed EBU38650 Fuel Make sure there is sufficient gasoline in...

Page 37: ...e fuel system or vehicle performance problems NOTICE ECB00071 Use only unleaded gasoline The use of leaded gasoline will cause severe damage to internal engine parts such as the valves and piston ring...

Page 38: ...osi tion when the engine is not running ON With the fuel cock lever in this position fuel flows to the carburetor Turn the fuel cock lever to this position when starting the engine and riding 1 Arrow...

Page 39: ...18852 Starter choke Starting a cold engine requires a richer air fuel mixture This mixture is controlled by the starter choke system To use the starter choke and enrich the air fuel ratio move the sta...

Page 40: ...nsert the projection on the front of the seat into the seat holder and then push down on the seat at the rear to lock it in place Make sure that the seat is securely fitted EBU18997 Front shock absorb...

Page 41: ...load as follows Turn the spring preload adjusting ring in direction a to increase the spring preload and thereby harden the suspension and in direction b to de crease the spring preload and thereby so...

Page 42: ...g preload as follows Turn the spring preload adjusting ring in direction a to increase the spring preload and thereby harden the suspension and in direction b to de crease the spring preload and there...

Page 43: ...A special wrench can be obtained at a Yamaha dealer to make this adjustment 1 Special wrench Spring preload setting Minimum soft 1 Standard 2 Maximum hard 5 1 UBD365E0 book Page 16 Monday January 27 2...

Page 44: ...r Before using this vehicle check the following points ITEM ROUTINE PAGE Fuel Check fuel level in fuel tank and add recommended fuel if neces sary Check fuel line for leakage Correct if necessary 5 9...

Page 45: ...ate if necessary 6 3 9 25 9 27 Wheels and tires Check wheel condition and replace if damaged Check tire condition and tread depth Replace if necessary Check air pressure Correct if necessary 6 3 Brake...

Page 46: ...is applied If not have the ATV checked by a Yamaha dealer Brake operation Test the brakes at slow speed after starting out to make sure they are working properly If the brakes do not provide proper b...

Page 47: ...ent with your vehicle See page 9 2 When using the tire pressure gauge make two measurements and use the second reading as grit in the gauge or tire valve could have caused the first reading to be inco...

Page 48: ...o match the performance capabilities and to provide the best combination of handling braking and comfort Other tires rims sizes and combinations may not be appropriate WARNING EWB02552 Use of improper...

Page 49: ...Make sure that all nuts bolts and screws are properly tightened EBU33810 Instruments and switches Check that all instruments and switches are work ing properly Correct if necessary UBD365E0 book Page...

Page 50: ...the engine for the first time 1 Set the parking brake The engine can be started only when the rear brake lever is ap plied 2 Turn the fuel cock to ON 3 Turn the key to ON and set the engine stop switc...

Page 51: ...is started with the starter choke lever in position 1 move the lever to position 2 to warm up the engine If the engine is started with the starter choke lever in posi tion 2 keep the lever in this pos...

Page 52: ...e stop 2 Apply the rear brake lever 3 Shift from neutral to forward by moving the drive select lever along the shift guide TIP Make sure that the drive select lever is completely shifted into position...

Page 53: ...his reason you should fol low the engine break in instructions carefully Since the engine is brand new do not put an ex cessive load on it for the first 320 km 200 mi or 20 hours During this period th...

Page 54: ...incline could cause the ATV to roll out of control increasing the chance of an accident If you must park on an incline place the ATV transversely across the incline shift the drive select lever to th...

Page 55: ...r Aftermarket parts accessories and modifica tions While you may find aftermarket products similar in design and quality to genuine Yamaha Accesso ries recognize that some aftermarket accessories or m...

Page 56: ...trailer If you choose to add accessories so that you can carry cargo or tow a trailer you must use common sense and good judgment as the stability and handling of an ATV can be changed When adding ac...

Page 57: ...ATV takes longer to stop Avoid making sharp turns unless at very slow speeds Avoid hills and rough terrain Choose terrain carefully Added weight affects the stability and handling of the ATV UBD365E0...

Page 58: ...8 1 8 EBU21142 RIDING YOUR ATV UBD365E0 book Page 1 Monday January 27 2020 9 05 AM...

Page 59: ...notice and warning labels on the vehicle RIDE WITH CARE AND GOOD JUDGMENT Beginning riders should get training from a certified instructor WARNING EWB01382 Do not operate this ATV or allow anyone else...

Page 60: ...n lead to severe injury or death of the child This ATV is designed to carry the operator only passengers prohibited The long seat is to allow the operator to shift posi tion as needed during operation...

Page 61: ...injury Eye protection such as a face shield or goggles may reduce the risk of foreign material getting in your eyes and help prevent loss of vision WARNING Operating without eye protection can result...

Page 62: ...nd decreases the maximum speed of the ATV Turning in the adjusting screw decreases top speed and turning it out increases top speed See page 5 3 This model also has an engine speed limiter plate to li...

Page 63: ...more room to stop A heavier vehicle takes longer to stop Avoid hills and rough terrain Choose terrain carefully Use extreme caution when towing or carrying a load on inclines Turn gradually and go sl...

Page 64: ...WARNING At tempting wheelies jumps and other stunts in creases the chance of an accident including an overturn Never attempt stunts such as wheelies or jumps Don t try to show off EWB01482 Modificati...

Page 65: ...V in a place where others might be likely to touch it The muffler and other engine parts become ex tremely hot during operation and remain hot after the engine has stopped To reduce the risk of fire d...

Page 66: ...Watch carefully for other vehicles Make sure you know your country s laws and regulations before you ride on unpaved public streets or roads Do not ride on any paved public street road or motor way WA...

Page 67: ...care when op erating on excessively rough slippery or loose terrain could cause loss of traction or ATV con trol which could result in an accident includ ing an overturn EWB01542 When riding in an are...

Page 68: ...re trying more difficult ter rain Set the parking brake and follow the instruction on page 7 1 to start the engine Once it has warmed up you are ready to begin riding your ATV Re member that the engin...

Page 69: ...uld go out of control causing a collision or overturn To achieve maximum traction on unpaved surfac es the two rear wheels turn together at the same speed Therefore unless the wheel on the inside of t...

Page 70: ...V be gins to tip over to the outside while negotiating a turn lean more to the inside It may also be nec essary to gradually let off on the throttle and steer to the outside of the turn to avoid tippi...

Page 71: ...e on the other side of the hill Never attempt to turn the ATV around on any hill until you have mastered the turning tech nique as described in the Owner s Manual on level ground Be very careful when...

Page 72: ...he other side there could be another person an obstacle or a sharp drop off Use common sense and remem ber that some hills are too steep for you to climb or descend If you are climbing a hill and you...

Page 73: ...roper procedures for going down hills as described in this Owner s Manual Always check the terrain carefully before you start down any hill Never operate the ATV on hills too steep for the ATV or for...

Page 74: ...rear brake Whenever possible ride your ATV straight down hill Avoid sharp angles which could allow the ATV to tip or roll over Carefully choose your path and ride no faster than you will be able to r...

Page 75: ...t the steering when riding on loose surfaces by pointing the front wheels slightly uphill When riding on slopes be sure not to make sharp turns either up or down hill If your ATV does begin to tip ove...

Page 76: ...mes to let friction dry out the linings Do not continue to ride your ATV without verifying that you have regained proper braking ability WARNING Wet brakes may have reduced stopping ability which coul...

Page 77: ...rds at all times Avoid jumping the ATV as loss of control and damage to the ATV may result SLIDING AND SKIDDING WARNING EWB01663 Skidding or sliding improperly may cause you to lose control of this AT...

Page 78: ...ommended until you have corrected the slide With practice over a period of time skill at con trolled sliding can be developed The terrain should be chosen carefully before attempting such maneuvers si...

Page 79: ...ward speed If not stop dismount on the uphill side of the ATV and physically turn the ATV around If the ATV starts to slip backwards DO NOT USE THE REAR BRAKE the ATV may tip over on top of you Dismou...

Page 80: ...rn off the engine when performing mainte nance unless otherwise specified A running engine has moving parts that can catch on body parts or clothing and electri cal parts that can cause shocks or fire...

Page 81: ...are intended to assist you in the performance of preventive maintenance and minor repairs However additional tools are necessary to perform certain maintenance work correctly TIP There is a tire pres...

Page 82: ...skills NO ITEM CHECK OR MAINTENANCE JOB INITIAL EVERY Whichev er comes first month 1 3 6 6 12 km mi 320 200 1300 800 2500 1600 2500 1600 5000 3200 hours 20 80 160 160 320 1 Fuel line Check fuel hoses...

Page 83: ...s and tighten all screw clamps and joints if necessary 7 Spark arrester Clean NO ITEM CHECK OR MAINTENANCE JOB INITIAL EVERY Whichev er comes first month 1 3 6 6 12 km mi 320 200 1300 800 2500 1600 25...

Page 84: ...ills NO ITEM CHECK OR MAINTENANCE JOB INITIAL EVERY Whichev er comes first month 1 3 6 6 12 km mi 320 200 1300 800 2500 1600 2500 1600 5000 3200 hours 20 80 160 160 320 1 Air filter element Clean and...

Page 85: ...an and lubricate 10 Drive chain rollers Check for wear and replace if necessary 11 V belt Check for wear cracks or other damage and re place if necessary 12 Chassis fasteners Make sure that all nuts b...

Page 86: ...eakage and correct if neces sary 20 Moving parts and cables Lubricate 21 Throttle lever Check operation Check throttle lever free play and adjust if neces sary Lubricate cable and lever housing 22 Bra...

Page 87: ...8 9 EBU23062 TIP Some maintenance items need more frequent service if you are riding in unusually wet dusty sandy or muddy areas or at full throttle UBD365E0 book Page 8 Monday January 27 2020 9 05 A...

Page 88: ...1 Remove the spark plug cap 2 Remove the spark plug as shown with the spark plug wrench included in the tool kit To check the spark plug 1 Check that the porcelain insulator around the center electro...

Page 89: ...he specified torque TIP If a torque wrench is not available when installing the spark plug a good estimate of the correct torque is 1 4 1 2 turn past finger tight However the spark plug should be tigh...

Page 90: ...move it again to check the oil level 5 If the engine oil is at or below the minimum level mark add sufficient quantity of the rec ommended engine oil NOTICE Be sure the engine oil is at the correct le...

Page 91: ...ring and then apply a thin coat of clean engine oil to the new O ring 7 Install the oil strainer the compression spring the new O ring and the engine oil drain bolt Tighten the engine oil drain bolt...

Page 92: ...and then check the oil level and correct it if necessary EBU38620 Why Yamalube YAMALUBE oil is a Genuine YAMAHA Part born of the engineers passion and belief that engine oil is an important liquid en...

Page 93: ...in the periodic mainte nance chart To change the transmission oil 1 Place the ATV on a level surface 2 Place an oil pan under the transmission case to collect the used oil 3 Remove the transmission oi...

Page 94: ...eaning the air filter element The air filter element should be serviced at the in tervals specified in the periodic maintenance chart Clean or if necessary replace the air filter element more frequent...

Page 95: ...ent and clean it with solvent WARNING Always use parts cleaning solvent to clean the air filter ele ment Never use low flash point solvents or gasoline to clean the air filter element because the engi...

Page 96: ...al ity foam air filter oil to the element TIP The air filter element should be wet but not drip ping 8 Insert the air filter element into the air filter case 9 Install the air filter case cover by hoo...

Page 97: ...cleaned every 20 40 hours It should be cleaned and lubricated more often if the ATV is operated in extremely dusty areas When servicing the air filter element be sure to check the air inlet of the air...

Page 98: ...t Therefore most carbure tor adjustments should be left to a Yamaha dealer who has the necessary professional knowledge and experience The adjustment described in the following section however may be...

Page 99: ...decrease it turn the screw in direction b TIP If the specified idling speed cannot be obtained as described above have a Yamaha dealer make the adjustment EBU38470 Adjusting the throttle lever free pl...

Page 100: ...e adjusted by a Yamaha dealer at the inter vals specified in the periodic maintenance chart EBU29602 Brakes Replacement of brake components requires pro fessional knowledge Brake service should be per...

Page 101: ...ore than 18 mm 0 71 in from the end of the bolt the brake shoes need to be replaced 1 Upper adjusting bolt 2 Lower adjusting bolt 3 No more than 12 mm 0 47 in 3 2 1 1 Rear brake lever free play adjust...

Page 102: ...to increase the lever free play and in direction b to decrease it 4 Tighten the lower locknut 5 While applying the front brake turn out the upper adjusting bolt until the upper and lower cable lengths...

Page 103: ...free play Periodically check the rear brake lever free play and adjust if necessary Turn the adjusting nut in direction a to increase the brake lever free play and in direction b to de crease it 1 Ca...

Page 104: ...t be touching the ground To check the drive chain slack 1 Place the ATV on a level surface 2 Move the ATV back and forth to locate the tightest portion of the drive chain and then measure the drive ch...

Page 105: ...brake lever free play adjust ing nut 3 Loosen the locknut 1 Bolt 1 Nut 1 1 1 Rear brake lever free play adjusting nut 1 Drive chain slack adjusting nut 2 Locknut 1 1 2 a b UBD365E0 book Page 26 Monday...

Page 106: ...nd then the bolts and nuts to their specified torques 6 Adjust the rear brake lever free play See page 9 24 EBU24885 Lubricating the drive chain The drive chain must be cleaned and lubricated at the i...

Page 107: ...have a Yamaha dealer check or replace it WARNING EWB02582 Inspect cables frequently and replace if damaged Corrosion can result when the ca ble sheaths become damaged and cables can also become fraye...

Page 108: ...aintenance chart If there is play in a wheel hub or if a wheel does not turn smoothly have a Yamaha dealer check the wheel hub bearings EBU36392 Lubricating the front arm pivots The front arm pivots m...

Page 109: ...chart TIP For parts equipped with a grease nipple use a grease gun EBU25096 Lubricating the steering shaft The steering shaft must be lubricated by a Yamaha dealer at the intervals specified in the pe...

Page 110: ...Yamaha dealer WARNING EWB02161 Battery electrolyte is poisonous and danger ous as it contains sulfuric acid which can cau se severe burns Avoid contact with skin eyes or clothing Always shield your e...

Page 111: ...specified on the battery itself Select a suitable charger and follow the manu facturer s instructions NOTICE ECB00933 To charge a VRLA valve regulated lead acid battery a special battery charger is r...

Page 112: ...t the positive battery lead first then connect the negative battery lead by installing their bolt NOTICE When installing the bat tery the main switch must be off and the positive lead must be connecte...

Page 113: ...specified amperage WARNING Always use a fuse of the spec ified rating and never use a substitute ob ject in place of the proper fuse An improper fuse or a substitute object can cause damage to the el...

Page 114: ...in the forward rotating direction of the wheel and then install the wheel bolts 2 Lower the ATV to the ground 3 Tighten the wheel bolts to the specified torques 1 Wheel bolt 1 1 1 Arrow mark 2 Forwar...

Page 115: ...repair take it to a Yamaha dealer whose skilled technicians have the necessary tools ex perience and know how to service the ATV prop erly Use only genuine Yamaha replacement parts Im itation parts m...

Page 116: ...Have a Yamaha dealer check the ATV Remove 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 Have a Yamaha dealer che...

Page 117: ...es several times at slow speeds to let friction dry out the linings EWB02312 NOTICE Excessive wa ter pressure may cause water seepage and deterioration of wheel bearings brakes transmission seals and...

Page 118: ...tructions in the Cleaning sec tion of this chapter 3 Fill up the fuel tank and add fuel stabilizer Fu el Med Rx if available and then run the en gine for 5 minutes to distribute the treated fuel 4 Tur...

Page 119: ...ame on stands or blocks to raise all wheels off the ground Alternatively turn the wheels each month to prevent the tires from degrading in one spot 8 Cover the muffler outlet with a plastic bag to pre...

Page 120: ...and tongue Noise and vibration level Noise level 77 311 EEC 73 0 dB A at 3500 r min Uncertainty of measurement 0 4 dB A Vibration on seat EN1032 ISO5008 1 5 m s Uncertainty of measurement 0 3 m s Vib...

Page 121: ...fuel Regular unleaded gasoline Gasohol E10 acceptable Minimum research octane 91 Fuel tank capacity 6 6 L 1 7 US gal 1 5 Imp gal Fuel reserve amount 0 9 L 0 24 US gal 0 20 Imp gal Carburetor Type quan...

Page 122: ...a 0 250 kgf cm 3 6 psi Rear 25 0 kPa 0 250 kgf cm 3 6 psi Minimum Front 22 0 kPa 0 220 kgf cm 3 2 psi Rear 22 0 kPa 0 220 kgf cm 3 2 psi Front wheel Rim size 8 x 5 5AT Rear wheel Rim size 8 x 5 5AT Fr...

Page 123: ...actual level of exposure of work force include the characteristics of the work room the other sources of noise etc i e the number of machines and other adjacent process es and the length of time for w...

Page 124: ...driving in reverse 7 3 E Engine break in 7 4 Engine cold start 7 1 Engine idling speed 9 19 Engine oil 6 3 9 10 Engine starting a warm 7 3 Engine stop switch 5 2 F Front and rear brake shoes checking...

Page 125: ...fications 11 1 Speed limiter 5 3 Starter choke 5 12 Start switch 5 2 Steering shaft lubricating 9 30 Storage 10 2 T Throttle lever 5 2 6 3 Throttle lever free play adjusting 9 20 Tires 6 3 Transmissio...

Page 126: ...N APPROVED HELMET AND PROTECTIVE GEAR NEVER USE ON PAVED ROADS NEVER CARRY PASSENGERS NEVER operate without proper training or instruction at speeds too fast for your skills or the conditions on publi...

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