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Minimum Age Requirement 16 For More information on ATV Safety Contact REV. B (US) the Baja ATV Safety Hotline at: 866-260-8630 012809 Always wear a helmet; It could save your life! Do not remove this operator’s manual from this vehicle, according to guide- lines with the U.S.
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“YOUR ATV CAN BE HAZARDOUS TO OPERATE. A collision or rollover can occur quickly, even during routine maneuvers such as turning and driving on hills or over obstacles, if you fail to take proper precautions. For your safety, understand and follow all the warnings contained in this owner’s manual and the labels on your vehicle.
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Should you experience a problem with your vehicle, please call Baja Inc. customer service line toll free at 1-888-863-2252 between the hours of 7am and 5pm Monday through Friday MST (Mountain Standard Time).
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WARNING This manual should be considered as a permanent part of the vehicle and should remain with the vehicle when resold or otherwise transferred to a new owner or operator. The manual contains important safety information and instructions which should be read carefully before operating the vehicle.
Table of Contents IMPORTANT ......................3 FOREWORD ......................3 NOTICE TO THE USER ..................4 BAJA INC. WD400U-2 ATV ................. 8 FUEL AND OIL ..................... 9 LOCATION OF WARNING LABELS ..............10 INDICATOR LIGHTS.................... 12 HANDLEBAR & SWITCH ..................13 LEFT HANDLEBAR ..................
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Table of Contents HEADLIGHT/TAILLIGHT REPLACEMENT ..........52 THROTTLE LEVER ADJUSTMENT ............53 IDLE SPEED ADJUSTMENT ............... 54 FUEL HOSE ....................54 ENGINE OIL/OIL FILTER ................55 AIR FILTER ....................57 FRONT/REAR GEAR CASE LUBRICATION ..........60 TIRES ......................61 FRONT DISK BRAKES ................64 REAR DRUM BRAKE .................
Please read this manual and follow all instructions carefully. To emphasize the special information, the symbol and the words WARNING or CAUTION have some special meanings. Pay great attention to the messages. WARNING Indicates a potential hazard that could result in death or injury. CAUTION Indicates a potential hazard that could result in vehicle damage.
We believe in conservation and protection of the earth’s natural resources. We encourage every vehicle owner and operator to do the same by obeying posted signs and riding only in areas designated and approved for off-road recreational use. NOTICE TO PARENTS This ATV is built for use by children age 16 and older, but the users manual is written for adults who will be supervising the children, we strongly recommend , therefore, that you review this entire manual with your child and carefully explain...
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Category Y-10+ ATV. A Category Y-10+ ATV is a youth model ATV that is intended for use by children age 10 or older. Category Y-12+ ATV. A Category Y-12+ ATV is a youth model ATV that is intended for use by children age 12 or older. Category T (Transitional Model) ATV.
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· Always follow proper procedures for climbing hills as described in this manual. Check the terrain carefully before you start up any hill. Never climb hills with excessively slipper or loose surfaces. Shift you weight forward. Never open the throttle suddenly or make sudden gear changes. Never go over the top of any hill at high speed.
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463 lbs (210 kg). · Do not tow a trailer. This vehicle is not designed for such use. FOR MORE INFORMATION ABOUT ATV SAFETY, call the Consumer Product Safety Commission at 1-800-638-2772, SVIA 1-800-887-2877, or Baja Safety Hotline at 1-866-260-8630...
FUEL AND OIL FUEL The proper fuel is very important for the engine. Ensure that there is no dust, dirt, or water which has mixed in the fuel. Please use regular unleaded gasoline ENGINE OIL Your 400cc ATV has a four-stroke engine. Please use oil as described in the chart below.
Read and follow all of the warnings labels on your ATV. Make sure you understand all the labels. Keep the labels on the ATV. Do not remove them for any reason. If a label comes off or becomes difficult to read, you should get a replacement by contacting Baja Motorsports.
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WARNING WARNING Improper ATV use can result in “Must stop before SEVERE INJURY or DEATH changing to 2WD/4WD” ALWAYS USE AN NEVER USE NEVER CARRY NEVER USE APPROVED HELMET ON PUBLIC WITH DRUGS WARNING PASSENGERS AND PROTECTIVE ROADS OR ALCOHOL GEAR NEVER OPERATE Without proper training or instruction.
INDICATOR LIGHTS Headlight Kilometers/ Miles per hour hour Four Wheel Drive Indicator Neutral Light Indicator Oil Temperature Km/h to mph button warning Reverse Light Indicator Reverse light indicator - Light will illuminate when the ATV is in Reverse. Neutral light indicator - Light will illuminate when the ATV is in Neutral.
LEFT HANDLEBAR SWITCHES AND PARKING BRAKE Parking brake Light switch On/Off switch Start Button Manual Choke lever Closed Open Light switch When switch is in the top position the headlight, taillight and meter light illu- minates. When switch is in the center the taillight and meter light illuminates. When switch is in the bottom position the headlight, taillight and meter light will NOT come on.
RIGHT HANDLEBAR, FRONT BRAKE LEVER AND THUMB THROTTLE Front brake Brake fluid reservoir lever Throttle cable adjustment Throttle lever 2WD/4WD button Throttle lever Controls engine and ATV speed. Operate this lever with your thumb. Push it forward to increase engine and ATV speed. Release it to decrease engine and ATV speed.
FUEL VALVE This vehicle has one manually operated fuel valve. There are 3 positions “ON” “OFF” “RESERVE” “ON” position (arrow pointing down) In this position, fuel is allowed to flow into the carburetor when the engine is running or being started. “OFF”...
WARNING Overfilling the fuel tank could be hazardous. If you overfill the fuel tank, fuel may overflow when it expands. Expanding is due to heat from engine or sun. Overheated fuel could easily catch fire. Stop adding fuel when the fuel level reaches the bottom of the filler neck.
For more information about the training course, contact an authorized ATV dealer or call SVIA at 1-800-887-2887. For More information on ATV Safety Contact the Baja ATV Safety Hotline at: 866-260-8630 Make sure that it is legal to ride in the area you selected. Review the local laws and make sure you are not trespassing.
INSPECTION BEFORE RIDING ITEM TO CHECK CONTENT Steering Smoothness; No restriction of movement; No play or looseness Brakes Proper brake lever free play; enough brake force; Parking brake effectiveness Tires Proper air pressure; Enough tread depth; No cracks, rips, or other damages Fuel Enough fuel for the intended trip;...
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WARNING Operating this ATV with improper tires, or improper tire air pressure could be hazardous. If you use improper tires or improper air pressure, you may lose control of the ATV. This will cause an accident. Always use the tires with size and type tires specified in this user’s manual. Always maintain proper tire air pressure as described in the INSPECTION AND MAINTENANCE section.
SAFETY GEAR A DOT approved motorcycle helmet is the most important part of your safety gear. A DOT approved motorcycle helmet can help prevent a serious head injury. Choose a helmet that fits snugly. Motorcycle dealers can help in selecting a good quality helmet which fits properly.
CAUTION Failure to follow Break-In procedures can significantly shorten the life of your vehicle. By not following Break-In procedure, you risk causing excessive wear, and damaging the engine. Be careful to correctly follow Break-in Procedure. BREAK-IN The first month is the most important in the life of your vehicle. Proper operation during this break-in period will be helpful for assuring maximum life and performance of your new vehicle.
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WARNING Carrying a passenger on this ATV. Greatly reduces your ability to balance and control this ATV. Could cause an accident, resulting in harm to you and/or your passenger. Never carry a passenger. The long seat is to allow the operator to shift position as needed during operation. It is not for carrying passenger.
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WARNING Operating this ATV after consuming alcohol or drugs. Could seriously affect your judgement. Could cause you to react more slowly. Could affect your balance and perception. Could result in an accident. Never consume alcohol or drugs before or while driving this ATV. WARNING Operating this ATV at excessive speeds.
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WARNING Failure to inspect the ATV before operating. Failure to properly maintain the ATV. Increases the possibility of an accident or equipment damage. Always inspect your ATV each time you us it to make sure the ATV is in safe operating condition. Always follow the inspection and maintenance procedures and schedules described in the owner’s manual.
STARTING THE ENGINE Before attempting to start the engine, make sure to follow these steps. 1. Turn the fuel valve to the “ON” position Turn the key switch to the ON position. Set the engine stop switch to the “RUN“ position. Apply the rear brake lever and make sure that the rear wheels are in locking condition.
WARNING The ATV may start moving as soon as you release the parking brake. Unexpected movement could cause you to lose control of the ATV. Make sure to apply the rear brake before you release the parking brake. Throttle Parking brake When you are sure that the Release the brakes and open engine is warm, release the...
MANUAL PULL START Recoil starter Firmly grasp handle and pull slightly up until engagement can be felt. Then pull forcefully, being careful not to pull the rope all the way out. CAUTION: Don’t start the engine in non-neutral or without setting the parking brake system.
DRIVE SELECT LEVER The drive select lever shifts the ATV from forward to reverse or reverse to forward. To shift ATV in reverse: 1. Release throttle 2. Apply brakes coming to a complete stop. 3. Shift transmission into neutral. 4. Shift drive select lever to “R” (reverse). Note: When in reverse, the re- verse indicator light should illuminate on the console, if light does not come on, check to see if vehicle is in first gear.
WARNING Not looking behind vehicle before and while going in reverse could be hazardous. Failure to look behind while backing could cause the ATV to run into an obstacle or person resulting in an injury. Before going in reverse and while backing, look behind the vehicle for any obstacles or people to avoid.
BRAKING Rear hand brake Front hand brake To stop the ATV, first release throttle lever. And then apply the rear and front brakes smoothly. WARNING Braking while turning the ATV could be hazardous. Use of the brake when turning could cause the ATV to slide or roll over. Use the brake to slow down before you begin to turn.
TURNING WARNING Turning improperly. ATV could go out of control, causing a collision or overturn. Always follow proper procedures for turning as described in the owner’s manual. Practice turning at low speeds before attempting to turn at faster speeds. Do not turn at excessive speed. To turn the ATV, the rider must use the proper technique.
OPERATION ON HILLS WARNING Operating on excessively steep hills. The vehicle can overturn more easily on extremely steep hills than on level surfaces or small hills. Never operate the ATV on hills too steep for the ATV or for your abilities.
To climb a hill with the ATV, follow the directions below. Speed up and maintain a steady speed before reaching the top of the hill. Remember that you must ride at a steady speed all the way to the top of the hill.
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To ride down a hill with the ATV, follow the instructions below. Check the terrain carefully for any obstacles before you go down the hill. Point the ATV straight down the hill. Transfer your body to the rear by sliding back on the seat. Ride down the hill slowly with the throttle released.
WARNING Stalling, rolling backwards or improperly dismounting while climbing a hill. Could result in ATV overturning. Use proper gear and maintain steady speed when climbing a hill. If you lose all forward speed: Keep weight uphill. Apply brakes. Lock parking brake, after you are stopped.
If you come to an obstacle that you cannot avoid, you may be able to cross over it by using the following procedure. If the obstacle is in front of you, approach at walking speed. Rise up slightly on the footrests. Pull up on the handlebar and apply a little throttle as the front wheels reach the obstacle.
RIDING THROUGH WATER You can ride the ATV through shallow water. Make sure it is not more than 10cm (4 inches) deep and is not moving fast. Choose a good place to cross before you ride through the water. Look for a spot where the banks are gently sloped on both sides and the bottom of the stream is hard.
RIDING IN COLD WEATHER Pre-ride Inspection Check that the throttle and all control levers move freely. Make sure that the footrests are free of ice or snow. Move the ATV forward and backward to check that the wheels roll freely. If you cannot move the ATV, the tires may be frozen to the ground, or the brakes may be frozen to the wheels.
DRESSING FOR COLD WEATHER RIDING WARNING Operating your ATV in cold weather without proper clothing could be hazardous. Continued exposure in the cold weather could lead to hypothermia. Hypothermia is a condition where your body’s inner temperature drops low enough to cause injury or death. Always dress for the worst weather conditions you might encounter.
RIDING YOUR ATV ON SNOW AND ICE WARNING Riding on snow-covered terrain, even with care, could be hazardous. The snow may be covering rocks, holes, ice or other hazards that can cause loss of control. Severe injury or death could occur if you lose control of the ATV.
ATV. Install and use them according to instructions. If you have any questions, contact your retailer or Baja Motorsports. Accessory Use and Vehicle Loading Guidelines The combined weight of the rider, tools, and any accessories or cargo must never exceed the vehicle’s load capacity of 210kg (463 lbs.)
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WD400U-2 WEIGHT LIMITS Never exceed the weight limits shown 1. Total weight limit is 210.01 kg (463 lbs), this limit includes rider, accessories, vertical weight on trailer hitch and all gear carried on front and rear racks. 2. Front rack - 40 kg (88.18 lbs.) 3.
Perform maintenance more often than shown in the chart. If you have any questions regarding maintenance intervals, consult your authorized service center or call BAJA INC. CAUTION Using poor quality replacement parts could damage your ATV. Poorly-made replacement parts could cause your ATV to wear more quickly and shorten its useful life.
A white or dark insulator indicates that the engine may need adjustment, or a new plug is needed. Consult your authorized dealer or Baja Motorsports if your plug insulator is not a light brown color. CAUTION Failing to use the proper spark plug could damage your ATV.
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NOTE: This ATV uses resistor-type spark plug to avoid jamming electronic parts. Improper spark plug selection may cause electronic interference with your ATVs ignition system, resulting in the vehicle performance problems. Use recommended spark plugs. To install a spark plug turn it in as far as possible with your fingers, then tighten it with a wrench.
Therefore, air valve gap must be checked periodically. If you have the proper tools and are mechanically proficient, instructions on adjusting the valve clearance are given in the service manual. If assistance is needed please contact Baja Inc. to find your local service center.
BATTERY INSTALLATION INITIAL SERVICE AND INSTALLATION OF BATTERY: WARNING The following procedure is very dangerous and should be performed with utmost care and attention. Wear protective eye wear, rubber gloves, and have water available should electrolyte come in contact with your skin or eyes. KEEP ALL CHILDREN AWAY FROM THE AREA WHILE THIS PROCEDURE IS BEING PERFORMED.
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Note: The following page is for vehicles with battery’s containing separate electrolyte pack. Most batteries will come with the electrolyte already sealed into the battery. Preparing the battery: · Place battery on level surface. Remove sealing tape from top. (see figure 20) ·...
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How to Initially Charge the battery: Connect the red positive (+) cable to the red positive (+) pole of the battery. (see figure 24) Connect the black negative (-) cable to the black negative (-) pole of the battery. (see figure 25) Note: The red positive (+) cable has a larger diameter Figure 24 than the black negative y cable.
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Battery Replacement: · Remove old battery from under seat. The battery bracket will need to be removed (see figure 28). Mark which cable is connected to the positive terminal (+) and which cable is connected to the negative (-) terminal. ·...
Signaling system fuse 10A FUSE REPLACEMENT Ignition fuse 15A Main fuse 30A Spare fuse Headlight fuse 15A Four wheel drive fuse 3A Fuse may be bad if there is no spark while trying to start the ATV. The fuse box is located under the seat directly in front of the battery. To check fuse follow the instructions •...
THE ADJUSTMENT OF THROTTLE LEVER Adjuster cover 3.0~5.0mm (0.12~0.20in) To adjust the throttle lever play: Remove the adjuster cover (slide back on cable). Loosen adjuster nut and move adjuster in or out to obtain the correct play. Tighten adjuster nut Recheck the throttle lever free distance.
IDLE SPEED ADJUSTMENT To adjust the idle speed properly, you need a tachometer. If you do not have one, ask your authorized service center to perform this adjustment. Engine Idle adjustment Screw To adjust the idle speed: Start the engine and warm it up. Turn the engine idle screw in or out so that the engine idle speed is at 1450~1550 r/min.
ENGINE OIL To check oil level: 1. Park vehicle on level ground. Oil cap and dipstick Minimum Maximum Level Level Dipstick 2. Remove dip stick and wipe off with a clean rag. Insert the dipstick in the filler hole. 3. Remove the dipstick and inspect the oil level. 4.
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4. Remove oil filter cover Oil filter cover 5. Remove oil filter 6. Replace oil filter with new filter. 7. Reinstall oil filter and oil filter cover. 8. Tighten drain plug and oil filter cap to specified torque. 9. Fill crankcase with specified oil. Refer to Pg. 9 for correct oil. WARNING New and used oil could be hazardous.
AIR FILTER The air filter element must be kept clean to provide good engine power. If you use your vehicle under normal, low dust conditions, you should service the air filter at the intervals specified. If you ride in dusty, wet, or muddy conditions, you will need to inspect the air filter element much more frequently.
Air Filter AIR FILTER REMOVAL Cover Locate Air Filter Box under seat and remove cover. 2. Remove air filter. Foam Air filter element 3. Remove foam cover from Air filter cover element. 4. Tap the Air filter element gently to remove most of the dust and dirt.
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CAUTION A torn air filter could damage your ATV. Dirt and dust may get inside of the engine if the element is torn. Examine carefully the element for tears before and after cleaning it. Replace the element with a new one if it is torn. WARNING Oil and solvent could be hazardous.
FRONT AND REAR GEAR CASE LUBRICATION Front gear case fill cap To check front and rear gear case oil: 1. Place vehicle on level ground 2. Remove gear case fill cap. 3. Inspect oil level. Oil level should be up to the brim of the hole.
TIRES The ATV is equipped with low pressure tubeless tires of the size and type listed below: Front Rear Size AT25x8-12 AT25x10-12 WARNING Operating this ATV with improper tires, or even improper tire air pressure could be hazardous. If you use improper tires or improper tire air pressure, you may lose control of the ATV.
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Never modify this ATV through improper installation or use of accessories. All parts and accessories added to this vehicle should be genuine Baja Inc. or equivalent components designed for use on this ATV and should be installed and used according to instructions.
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WARNING Overfilling the tires with air could cause them to burst which could result in severe injury. Check the air pressure from time to time while inflating the tire gradually, until the specified air pressure is obtained. Tire Replacement Your ATV has low-pressure tubeless tires. Air is sealed by the contact surfaces of the inner wheel rim and the tire bead.
FRONT HYDRAULIC DISK BRAKE INSPECTION Front disk brake caliper Brake fluid reservoir Lower mark Brake fluid cap Brake hose Brake fluid level Brake disk Brake hose 1. Inspect the front disk brake caliper for leakage. If brake fluid leaks, the safety of riding could be affected.
Rear hand and foot brake adjustment. Try to move the vehicle backward and forward when the rear hand brake is applied. If the rear wheels can turn, adjust the brake to lock the wheels securely. Try to move the vehicle backward and forward when the rear foot brake is applied.
WARNING Failing to maintain the brake shoes or pads could be hazardous. Riding with worn brake shoes, pads, or shoes that are seriously worn, will increase your chance of having an accident. If you need to replace brake shoe pads, have your authorized service center do the work.
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WARNING The hot exhaust muffler could burn you. The muffler will be hot enough to burn you after stopping the engine. Wait until the exhaust muffler cools to remove it. WARNING Running the engine indoors or in a garage could be hazardous. Exhaust gas contains carbon monoxide that is colorless and odorless.
CLEANING AND INSPECTION OF OIL COOLER The oil cooler should be checked for mud and debris before each ride, the following steps should be taken to ensure the oil cooler is in proper working order. 1. Locate oil cooler under front fender assembly.
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3. With screen still removed from oil cooler, remove sediment from oil cooler by allowing running water to flow through the cooler fins. Cooler Guard Screen 4. Re-install Cooler guard screen. 5. Check to make sure wire connection on both Heat light sensor and Fan sensor are Cooling fan sensor secure and are in place.
GENERAL LUBRICATION Proper lubrication is important for safe, smooth operation and long life of your vehicle. Be sure that all lubrication is performed during periodic maintenance on the vehicle. Increase intervals when you use your ATV in severe conditions. Your authorized service center should do general lubrication as shown in the MAINTENANCE CHART.
Failing to troubleshoot a problem correctly would damage your ATV. Improper repairs or adjustments may damage the vehicle. Such damage may not be covered under warranty. If you are not sure about the proper action, consult your authorized service center or Baja Motorsports about the problem. Fuel Supplying Check Make sure there is adequate fuel in the fuel tank.
Ignition System Check Remove the spark plug and reattach it to the spark plug lead. Turn ignition key to the “RUN” position. Slide the engine stop switch to the “Run” position. Push the electric button “START “(grey button). Apply the rear brake lever to make sure the rear wheels are locked. If the ignition system is operating properly, a blue spark should jump across the spark plug gap.
TRANSPORTING It is best to transport the ATV in the normal position. Carburetor drain screw Before transporting the ATV drain the fuel from the carburetor as follows: Drain fuel from carburetor into an empty container by loosening the carburetor drain screw. When the fuel has been drained, retighten the drain screw.
CLEANING PROCEDURE A thorough cleaning of your ATV is a necessary part of maintenance. It will help keep your ATV looking and performing best. Proper cleaning can also extend the life of your ATV. It is important to clean and inspect your ATV after every ride, especially if it is used in mud, brush, grass, water, salt water, or very dusty conditions The build-up of mud, brush, grass, etc.
WASHING YOUR ATV With some care, your ATV can be washed in a similar manner to washing an automobile. Note: Avoid spraying or allowing water to flow over the following places: · Ignition switch · Spark plug · Fuel tank cap ·...
STORAGE PROCEDURE If you do not use your ATV for a long time, it will need special service requiring appropriate materials, equipment and skill. For this reason, we recommend that you trust this maintenance work to your authorized service center. If you wish to service the machine for storage yourself, follow the general guidelines below: VEHICLE Place the vehicle on level ground and wash the entire vehicle.
You need to know the frame and engine serial numbers to get title documents for your ATV. You also need these numbers to help your authorized service center or Baja Motorsports order parts. The Frame number is stamped on front of ATV frame. The engine number is located on the right side of the engine housing.
SPECIFICATIONS WD400U-2 DIMENSIONS AND DRY MASS Overall length..............1968mm (77.5 in) Overall width................1060mm (41.73 in) Overall height...............1100mm (43.30 in) Wheelbase................1233mm (48.5 in) Ground clearance..............245mm (9.65in) Minimum turning radius............3000mm (118.1 in) Seat height................827mm (32.6 in) Dry weight ................259.9kg (573lbs) ENGINE Type..................Four stroke, air cooled Number of cylinders............1...
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ELECTRICAL Ignition type...................CDI Generator system................A.C. Magneto Battery type, voltage, capacity.............YTX14AH, 12V, 14ah, Headlight..................12V, 30w/30w x 2 Taillight...................12V, 5w/21w x 1 Neutral indicator................12V, 1.7w x 1 Reverse indicator................12V, 1.7w x 1 High beam indicator..............12V, 1.7w x 1 Oil Temperature................12V, 1.7w x 1 Engine Oil Oil change with oil filter replacement...........2.5 QT Total amount of gear oil..............3 ounces per...
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BAJA MOTORSPORTS – EMISSION CONTROL SYSTEM WARRANTY YOUR WARRANTY RIGHTS AND OBLIGATIONS The emission control system warranty period for this vehicle begins on the date the vehicle is delivered to the first purchaser other than an authorized dealer, or the date it is first used as a demonstrator, lease, or company vehicle, whichever...
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Your emission control system warranty covers components whose failure would increase an engine’s emission, including electronic controls, fuel injection system, carburetor, the ignition system, catalytic converter, or any other system utilized in this vehicle to control emission if it is originally equipped. Also included may be hoses, connectors and other emission-related assemblies.
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No dealer is authorized to modify this Emission Control System Warranty. If you have any questions regarding your warranty rights and responsibilities, you should contact BAJA MOTORSPORTS. 1-888-863-2252...
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