Eton Viper 90 Silver Owner's Manual

READ THIS MANUAL CAREFULLY!It contains important safety information.This VIPER 90R should not be ridden by anyone under 12 years of age.This VIPER 90

SPECIFICATIONS ... 10-1CONSUMER INFORMATION ...11-1Identification numbers ...

8-158frequently if you are riding in unusually wet or dustyareas.1. Two air filter case check hoses (opposite)NO TI CEBe sure no foreign material ent

8-1681. Remove the air filter case covers by remov-ing the bolts.1.Two air filter case covers (opposite)2. Bolts (opposite)212. Remove the air filter

88-173. Wash the sponge materials gently but thor-oughly in solvent.NOTICE: Do not twistthe sponge materials when squeezing it.4. Squeeze the excess s

8-187. Install the sponge materials onto the air filter element holder.8. Place the air filter elements in the original position,and then install the

8-19Cleaning the spark arrester Be sure the exhaust pipe and muffler are cool be-fore cleaning the spark arrester.1. Remove the screw and nut.2. Remov

8-20Adjusting the carburetor The carburetor should be checked and, if neces-sary, adjusted at the intervals specified in the peri-odic maintenance and

8-218TIPA diagnostic tachometer is needed to make thisadjustment.1. Start the engine and warm it up.TIPThe engine is warm when it quickly responds to

8-22The throttle cable free play should measure 1.0–3.0 mm (0.04–0.12 in) at the throttle lever. Period-ically check the throttle cable free play and,

88-23Adjusting the front brake lever free playThe brake lever free play must be checked and, ifnecessary, adjusted at the intervals specified inthe pe

4. Tighten the lower locknut.5. While applying the front brake, turn out the up-per adjusting bolt until the upper and lower ca-ble lengths are equal.

1-1SAFETY INFORMATIONAN ATV IS NOT A TOY AND CAN BE HAZARD-OUS TO OPERATE.An ATV handles differently from other vehicles, in-cluding motorcycles and c

8-25The rear brake pads must be checked for wear at theintervals specified in the periodic maintenance andlubrication chart. Each brake pad is provide

Have an E-TON dealer change the rear brake fluidat the intervals specified in the TIP after the periodicmaintenance and lubrication chart. In addition

8-27Checking and lubricating the cables The operation and the condition of all control ca-bles should be checked before each ride, and thecables and c

8-288Checking the wheel hub bearings The front and rear wheel hub bearings must be checked at the intervals specified in the periodicmaintenance lubri

8-29To charge the batteryHave an E-TON dealer charge the battery as soonas possible if it seems to have discharged. Keep inmind that the battery tends

8-301. Turn the key to “OFF” and turn off all electricalcircuits.NOTICETo prevent accidental short-circuiting, turn offthe main switch when checking o

8-318Drive chain slack The drive chain slack should be checked beforeeach ride and adjusted if necessary.To check the drive chain slack1. Place the AT

8-3284. Tighten the locknut.5. Tighten the rear wheel axle pinch bolts.1. Rear wheel axle pinch bolts2. Locknut3. Drive chain adjusting nut321baLubr

8-332. Lower the ATV to the ground.3. Tighten the wheel nuts to the specifiedtorques.Tightening torques:Front wheel nuts:45 Nm (4.5 m·kgf, 33 ft·lbf)R

8-34TroubleshootingAlthough E-TON ATVs receive a thorough in-spection before shipment from the factory, troublemay occur during operation. Any problem

1-2operating this ATV.Never operate at speeds too fast for your skillsor the riding conditions. Always go at a speedthat is proper for the terrain, vi

8-35Troubleshooting chart Check the fuel level inthe fuel tank.1. FuelThere is enough fuel.There is no fuel.Check the compression.Supply fuel.The engi

9-1CLEANING AND STORAGECleaningFrequent, thorough cleaning of your ATV will notonly enhance its appearance but will improve itsgeneral performance and

9-2nia) and areas where strong chemicals arestored.StorageShort-termAlways store your ATV in a cool, dry place and, ifnecessary, protect it against du

9-3plug, and then place the spark plug on thecylinder head so that the electrodes aregrounded. (This will limit sparking duringthe next step.)d. Turn

10 The Specifications222269.3cc47.0 * 40.0mmAutomatic (C.V.T. V-Belt)930mm / 36.6”112kg / 246.92b Swing Arm / Adjustable ShockHydraulic Disc3.2psi /0

1010-2Information is subject to change without notice.WheelBolt PatternAir Mixture Adj ustmentCarburetorMake/SizeMain JetPilot JetBatterySprocketsFron

1111-1CONSUMER INFORMATIONIdentification numbers Record the key identification number, vehicle iden-tification number and model label information inth

11-211TIPThe vehicle identification number is used to identi-fy your ATV.Engine serial numberThe engine serial number is stamped into the engine.1. V

11-310 Noise regulation TAMPERING WITH NOISE CONTROL SYSTEM PROHIBITED:Federal law prohibits the following acts or the causing thereof: (1) The

11-4 Maintenance record Copies of work orders and/or receipts for parts you purchase and install will be required to document main-tenanc

1-3Avoid crossing the side of a steep hill if possible.Always use proper procedures if you stall or rollbackwards when climbing a hill. To avoid stall

11-511ETON AMERICA, LLC. LIMITED VEHICLE WARRANTYETON America warrants all new ETON vehicles sold by New vehicles sold by an authorized dealer to o

11ETON AMERICA, LLC.ATV LIMITED WARRANTY FEDERAL EMMISSION CONTROL SYSTEMSETON America LLC warrants each new Scooter/moped vehicle that includes as st

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

OOwner’s manual and tool kit... 8-2PParking ...

LOCATE AND READ OWNER’S MANUAL. FOLLOW ALL INSTRUCTIONS AND WARNINGS.WARNINGALWAYS: use proper riding techniques to avoid vehicle overturns on hill

1-41You must make the commitment to your child’sproper use of the ATV. Your child must rely uponyou to be sure he or she has the development,proper tr

1-5Supervise every use of the ATVBecause an adult must supervise every ATV oper-ator under age 16, you should closely watch yourchild every time he or

1-61Avoid Carbon Monoxide Poisoningcarbon monoxide can collect rapidly and you can quickly be overcome and unable to save yourself. Also, deadly level

1-71Down load your free copy of E-TON’sATV Rider Safety Handbook From www.etonamerica.comCopyright ©2008-2009 ETON America, all rights reserved.

2-1LOCATION OF THE WARNING AND SPECIFICATION LABELS Read and understand all of the labels on your ATV. These labels contain important information for

2-223IIIIIIIIIllllllllllllll21I(FOR 70CC)(FOR 90CC)Copyright ©2008-2009 ETON America, all rights reserved.

Read this manual carefully before operating this vehicle. This manual should stay with this vehicle if it is sold.Copyright ©2008-2009 ETON America, a

2-354IIIIIH7102-5EA1-9000BY E-TON POWER TECH CO LTD.6Improper tire pressure or overloading can cause loss of control.Loss of control can

2-4LOCATION OF THE WARNING AND SPECIFICATION LABELS Read and understand all of the labels on your ATV. These labels contain important information for

2-52IIIIIIIIIIllllllllllllll12(FOR 70CC)(FOR 90CC)2Copyright ©2008-2009 ETON America, all rights reserved.

2-643IIIIIIIImproper tire pressure or overloading can cause loss of control.Loss of control can result in severe injury or death.OPERA

2-7265(FOR 70CC)(FOR 90CC)IILes enfants de moins de 6 ans qui conduisent ce QUAD encourent desaccidents graves ou mortels. La surveill

2-8287IIIIII2Une pression de gonflage de pneu incorrecte ouune surcharge peuvent entralner la perte de controle.La perte de controle

2-9LOCATION OF THE WARNING AND SPECIFICATION LABELS Read and understand all of the labels on your ATV. These labels contain important information for

2-10221(FOR 70CC)(FOR 90CC)IILes enfants de moins de 6 ans qui conduisent ce QUAD encourent desaccidents graves ou mortels. La surveill

2-11243IIIIIII2Une pression de gonflage de pneu incorrecte ouune surcharge peuvent entralner la perte de controle.La perte de control

3-13DESCRIPTIONLeft view Right view1. Fuel cock2. Rear wheel3. Footrest4. Front wheel1. Spark arrester2. Seat3. FootrestCopyright ©2008-2009 ETON Amer

INTRODUCTIONCongratulations on your purchase of the E-TON VIPER. This ATV represents the result of many yearsof E-TON experience in the production of

3-23Controls and instruments1. Rear brake lever4. Parking brake5. Front brake lever6. Throttle lever7. Main switch8. Fuel tank cap9. Handlebar switche

4-14INSTRUMENT AND CONTROL FUNCTIONSA WARNING indicates a hazardous situationwhich, if not avoided, could result in deathor seri ous injury.WARNINGMai

4-24Handlebar switches Engine stop switch “ENG. STOP” Set this switch to “ ” before starting the engine.The engine stop switch controls the ignit

4-34The lanyard should be held by putting your fingersin the loop as shown.1. Engine stop switch2. Rubber cap3. LanyardShould the ATV be separated fr

4-444For further explanation of this switch and the lan-yard, see “TEACHING YOUR CHILD TO OPER-ATE THE ATV” in the “SAFETY INFORMATION”section.TIPThe

4-54Throttle lever Once the engine is running, movement of the throt-tle lever will increase the engine speed.Regulate the speed of the ATV by varying

4-644Speed limiting throttle adjustmentYour ATV is equipped with a throttle travel limiting bolt which is used to control the maximum speed of the ATV

4-74Vehicle speed limiter1. Loosen the locknut.2. To increase the maximum engine power available and the maximum speed of the ATV, turn theadjusti

Front brake lever The front brake lever is located on the right handle-bar. To apply the front brake, pull the brake levertoward the handlebar grip.1.

4-94Parking brake The parking brake should be fully engaged beforestarting the engine, or when the ATV is parked and not in use, especially when parki

in skills, physical abilities and judgment. Some children may not be able to operate an ATV safely. Parentsshould supervise their child’s use of the A

4-10Fuel tank cap Remove the fuel tank cap by turning it counter-clockwise.4FuelMake sure that there is sufficient fuel in the tank.1. Fuel tank cap

4-11NOTICEUse only unleaded gasoline. The use of leadedgasoline will cause severe damage to internalengine parts, such as the valves and pistonYour E-

Fuel cock The fuel cock supplies fuel from the tank to the car-buretor while also filtering it.The fuel cock lever positions are explained as fol-lows

4-13ChokeThe choke is used to start a cold engine.Move the choke in direction (a) to turn on thechoke.Move the choke in direction (b) to turn off thec

4-14To install the seatInsert the projection on the front of the seat into theseat holder and push down on the seat at the rear.1. Projection2. Seat h

5-15PRE-OPERATION CHECKSPre-operation check listInspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Alw

9Make sure that operation is smooth, and check cable free play.Lubricate cable and lever housing if necessary.Control cablesMake sure that operation i

5-33615Inline fuel filterCheck the filter for dirt or damage before eachride and at each refueling. Replace the filter ifdirty or damaged. (See page 8

5-45TiresBrake operationTest the brakes at slow speed after starting out tomake sure they are working properly. If the brakesdo not provide proper bra

5-55The tire pressure gauge is included as standardequipment. Make two measurements of the tire pressure and use the second reading. Dust or dirt in t

WARNINGNOTICETIPThis is the safety alert symbol. It is used to alert you to potentialpersonal injury hazards. Obey all safety messages that follow thi

5-65After extensive tests, only the tires listed belowhave been approved for this model by E-TONPOWER TECH CO., LTD.WARNINGTire informationThis ATV is

5-7Chassis fasteners Make sure that all nuts, bolts and screws are prop-erly tightened.Instruments and switches Check that all instruments and switche

6-1OPERATION64. Shift the transmission into neutral. The neutralindicator light should come on. If the indicatorlight does not come on, have an E-TON

6-2Ambient temp./choke position6. Completely close the throttle lever and startthe engine by pushing the start switch.TIPIf the engine fails to start,

6-37. If the engine is started with the choke in posi-tion (1), the choke should be returned to posi-tion (2) to warm up the engine. If the engine iss

Engine break-in There is never a more important period in the life ofyour engine than the first 320 km (200 mi) or 20hours of riding. For this reason,

6-5Parking on a slope1. Bring the ATV to a stop by applying the brakesin the drive position.2. Stop the engine.1. Parking brake lock button1. Locked

6-66Accessories and loading Genuine E-TON AccessoriesChoosing accessories for your ATV is an importantdecision. Genuine E-TON Accessories, which are a

6-76the following points in mind:Never exceed the weight limits shown. An over-loaded ATV can be unstable.If you are carrying cargo and towing a trail

7-1RIDING YOUR ATV 7Copyright ©2008-2009 ETON America, all rights reserved.

IMPORTANT NOTICEWelcome to the E-TON world of motor sports!This ATV is designed and manufactured for OFF-ROAD use only. It is illegal and unsafe to op

7-27GETTING TO KNOW YOUR ATVThis ATV is for recreation use. This section, Ridingyour ATV, provides general ATV riding instructionsfor recreational rid

7-3Not recommended for children under 12 yearsof age.(For VIPER 90 and VIPER 90R)7Not recommended for children under 6 yearsof age.(For VIPER 70)WARNI

This ATV is designed to carry operator only –passengers prohibited.77-4The long seat is to allow the operator to shift position as needed during opera

7-57123451. Protective clothing2. Goggles3. Gloves4. Boots5. HelmetApparelAlways wear the following to reduce risk of injuryin an accident:!Approved m

7-67Do not operate after consuming alcohol ordrugs.The operator’s performance capability is reducedby the influence of alcohol or drugs. Consuming alc

7-77Speed limiterFor riders less experienced with this model, thethrottle lever housing is equipped with a vehicle speed limiter. This speed limiter k

7-87 Reduce speed and allow more room to stop. A heavier vehicle takes longer to stop. Avoid hills and rough terrain. Choose terrain careful

7-97Avoid wheelies and jumping. Attempting wheelies, jumps, and other stuntsincreases the chance of an accident, including an overturn. Never attempt

7-107The 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

7-117BE CAREFUL WHERE YOU RIDEThis ATV is designed for off-road use only. Paved surfaces may seriously affect handling and control of the ATV, and ma

Copyright ©2008-2009 ETON America, all rights reserved.

7-12Do not ride on any public road, street, or highway. Riding on public roads can result in collisions with other vehicles. In many states it is ille

7-13Know the terrain where you ride. Ride cautiously in unfamiliar areas. Stay alert for holes, rocks, or roots in the terrain, and other hidden hazar

7-14When riding in an area where you might not easily be seen, such as desert terrain, mount a caution flag on the ATV. DO NOT use the flag pole brack

7-15Do 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 bec

To achieve maximum traction while riding off-road, the two rear wheels turn together at the same speed. Therefore, unless the wheel on the inside of t

7-177curves.Improper riding procedures such as abrupt throttlechanges, excessive braking, incorrect body move-ments, or too much speed for the sharpne

7-18If you are climbing a hill and you find that you havenot properly judged your ability to make it to thetop, you should turn the ATV around while y

7-19If your ATV has stalled or stopped and you believeyou can continue up the hill, restart carefully to make sure you do not li ft the front wheels w

7-20RIDING DOWNHILL7WARNINGGoing down a hill improperly could cause over-turns or loss of control. Always follow proper procedures for going down hill

7-21CROSSING A SLOPE7Whenever possible, ride your ATV straight downhill. Avoid sharp angles which could allow the ATV to tip or roll over. Carefully c

Vehicle speed limiter ... 4-7TABLE OF CONTENTSSAFETY INFORMATION...1-1LOCATION OF THE WARNING

7-22CROSSING THROUGH SHALLOW WATERThe ATV can be used to cross slow moving, shallow water of up to a maximum of 20 cm (8 in) in depth. Before entering

7-23After riding your ATV in water, be sure to drain the trapped water by removing the check hose at the bottom of the air filter case. NOTICE: Undra

7-24RIDING OVER ROUGH TERRAINRiding over rough terrain should be done with ca-ution. Look out for obstacles which could cause damage to the ATV or cou

7-25SLIDING AND SKIDDINGCare should be used when riding on loose or slip-pery surfaces since the ATV may slide. If unexp-ected and uncorrected, slidin

7-26With practice, over a period of time, skill at con-trolled sliding can be developed. The terrainshould be chosen carefully before attempting suchm

7-27If your ATV can’t make it up a hill you are tryingto climb:Turn the ATV around if you still have forwardspeed. If not, stop, dismount on the uphil

8-1PERIODIC MAINTENANCE AND MINOR REPAIRPeriodic inspection, adjustment, and lubrication will keep your vehicle in the safest and most efficient condi

8-2it for you.TIPIf you do not have the tools or experience requiredfor a particular job, have an E-TON dealer perform81. Owner ’s tool kit and low-p

8-3Periodic maintenance chart for the emission control system TIPFor ATVs not equipped with an odometer or an hour meter, follow the month maintenance

8-46*Exhaust systemCheck for leakage and replace gasket(s) if neces-sary.Check for looseness and tighten all screw clampsand joints if necessary.√√√7

RIDING YOUR ATV...7-1GETTING TO KNOW YOUR ATV...7-2RIDE WITH CARE AND GOOD JUDGEMENT...

8-5General maintenance and lubrication chart NO. ITEM INSPECT OR MAINTAIN INITIAL EVERYWhichev-er comes firstmonth 1 3 6 6 12km(mi)320(200)1300(800)250

8-610*Shock absorber assembliesCheck operation and correct if necessary.Check for oil leakage and replace if necessary.√√√11*Front knuckle piv-otsLubr

8-7NO. ITEM INSPECT OR MAINTAININITIAL EVERYWhichev-er comes firstmonth 1 3 6 6 12km(mi)320 (200)1300(800)2500 (1600)2500(1600)5000(3200)hours 20 80 1

8-8TIP8 Some maintenance items need more frequent service if you are riding in unusually wet, dusty, sandy or muddy areas, or at full-throttle.

8-98A WARNING indicates a hazardous situationwhich, if not avoided, could result in deathor serious injury.Checking the spark plugThe spark plug is an

8-10To check the spark plug1. Check that the porcelain insulator around thecenter electrode of the spark plug is a medi-um-to-light tan (the ideal col

8-11Engine oilThe engine oil level should be checked beforeeach ride. In addition, the oil must be changed atthe intervals specified in the periodic m

8-124. Insert the dipstick into the filler hole (withoutscrewing it in), and then remove it again tocheck the oil level.TIPThe engine oil should be be

8-1387. Add the specified amount of the recommend-engine oil filler cap.Tightening torque:Engine oil drain bolt:8 Nm (0.8m·kgf, 5.8 ft·lbf)Recommended

88-142. Final transmission oil drain boltFinal transmission oil The final transmission case must be checked foroil leakage before each ride. If any l