Baja DX70 Owner's Manual
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Baja DX70 Owner's Manual

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DX70/DX110 Dirt Bike
Read this manual carefully. It contains important safety information.
No one under the age of 16 should operate this dirt bike without adult supervision.
OWNER'S MANUAL
Minimum Recommended Age
Requirement: 16
Always wear a helmet; It could save your Life!
Please obtain, review, and follow provincial / municipal government acts
and regulations pertaining to owning and operating an off-road vehicle.
Rev. A

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Summary of Contents for Baja DX70

  • Page 1 DX70/DX110 Dirt Bike Read this manual carefully. It contains important safety information. No one under the age of 16 should operate this dirt bike without adult supervision. OWNER’S MANUAL Minimum Recommended Age Requirement: 16 Rev. A Always wear a helmet; It could save your Life! Please obtain, review, and follow provincial / municipal government acts and regulations pertaining to owning and operating an off-road vehicle.
  • Page 2 Fender bent or broken due to abuse Any sign of impact, accident, jumping, spin-outs or roll over. BAJA MOTORSPORTS is not liable for any damage claim or liability claim person or otherwise resulting from the operation of this product in any way.
  • Page 3 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 user or operator. The manual contains important safety information and instructions which should be read carefully before operating the vehicle.

  • Page 4: Table Of Contents

    TABLE OF CONTENTS SAFETY .......................2 SAFE OPERATION ..................3 SAFETY GEAR ....................4 WARNING LABEL PLACEMENT ..............5 SPECIFICATIONS ....................6 PART LOCATION....................8 OPERATION ......................10 FUEL FILLING .....................10 FUEL VALVE ....................10 ENGINE BREAk-IN ..................11 SWITCHES ON RIGHT HANDLE BAR ............11 LEFT HANDLEBAR, CLUTCH LEVER ............12 RIGHT HANDLEBAR, FRONT BRAkE LEVER AND THROTTLE TWIST GRIP ................12 REAR FOOT BRAkE ...................12...

  • Page 5: Safety

    SAFETY 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.

  • Page 6: Safe Operation

    SAFETY SAFE OPERATION Rules for Safe Operation · A pre-operation check must be conducted before starting the engine to insure safety, prevent mishaps and damage to components (see maintenance section of this manual). · It is strongly suggested that all operators take a certified motorcycle rider’s course prior to operating the vehicle.

  • Page 7: Safety Gear

    SAFETY 9- Always avoid operating this dirt bike on paved surfaces, including; sidewalks, paths, parking lots, driveways, streets, roads, and highways. Never operated this or any Off-Road Vehicle on a public street, road or highway where motor vehicles are in operation. 10- Always keep your dirt bike in safe operating condition.

  • Page 8: Warning Label Placement

    WARNING No on under the age of 16 should operate this vehicle without adult supervision. DX70 TIRE INFORMATION Tire Pressure: See tire side wall. Max. Weight Capacity: 245lbs. (111kg) Must fill with motor oil Tire Size: Front- 2.5 - 12in.

  • Page 9: Specifications

    SPECIFICATIONS SPECIFICATION 70CC 110CC Dimensions / Measurements / Weight Wheel Base 41.34 in. (1050mm) 41.73 in. (1060mm) Seat Height 24.02 in. (610mm) 25.2 in. (640mm) Grips Height 39.17 in. (995mm) 41.73 in. (1060mm) Ground Clearance 5.51 in. (140mm) 7.09 in. (180mm) Assembled Weight 130 lbs.
  • Page 10 SPECIFICATIONS SPECIFICATION 70CC 110CC Fuel & Lubricants Fuel Tank Capacity .92 gal / 3.5L .92 gal / 3.5L Reserve .15 gal / .57L .15gal / .57L Fuel Recommended 86 Octane or higher 86 Octane or higher Engine Oil Capacity 1 qt (1L) 1 qt (1L) Engine Oil Recommended See manual for correct types See manual for correct types...
  • Page 11 SPECIFICATIONS SPECIFICATION 70CC 110CC Torque Specifications Oil Drain Bolt 15-20 ft.lbs (20-30 NM) 15-20 ft.lbs (20-30 NM) Wheel Axles 37-44 ft.lbs (50-60 NM) 37-44 ft.lbs (50-60 NM) Wheels & Tires Front Wheel (RIM) Size 1.4 - 12 in. 1.4 - 12 in. Rear Wheel (Rim) Size 1.4 - 10 in.

  • Page 12: Part Location

    PART LOCATION PARTS & SUBASSEMBLIES Front brake lever Brake fluid reservoir Clutch Lever Fuel Tank cap breather hose Throttle twist grip On/Off switch Fuel tank cap...
  • Page 13 PART LOCATION Fuel Valve Air filter Front Wheel Rear Shock Rear Wheel Drive Chain Gear Drive Chain adjuster Shifting Carburetor Rear Fork Lever Side Stand Seat Cushion Choke lever on Carburetor Front Shocks Muffler Front brake caliper Rear brake caliper Chain Oil Cap adjuster...

  • Page 14: Operation

    OPERATION FUEL FILLING The capacity of the fuel tank is 3.5L (.92gal) . Unscrew gas cap by turning counter clockwise. Fill gas tank with 86 octane or higher unleaded gasoline through opening. Do not fill gas past bottom of filler neck in gas tank. DO NOT MIX GAS AND OIL TOGETHER, THIS IS A 4-STROkE ENGINE.

  • Page 15: Engine Break-In

    OPERATION ENGINE BREAk-IN The first 10 hours of operation should be considered the “Break-in” period and special attention shall be paid to the following points: Do not throttle past half throttle during the first 10 hours of operation. Fluctuate the throttle during this period to break in engine components. Do not put excessive load on engine by climbing steep hills or having fast starts.

  • Page 16: Left Handlebar, Clutch Lever

    OPERATION LEFT HANDLEBAR - CLUTCH LEVER Clutch lever Clutch lever When clutch lever is pulled toward hand grip, clutch is applied. RIGHT HANDLEBAR - FRONT BRAkE LEVER AND THROTTLE TWIST GRIP Front brake lever Throttle twist grip Throttle twist grip Controls engine and dirt bike speed.

  • Page 17: Gear Shifting

    OPERATION GEAR SHIFTING Reduce throttle before shifting. Never increase throttle while shifting gears. Pull in clutch lever and depress shift lever to place in 1st gear. Lift up shift lever to shift to 2nd, 3rd and 4th. Before shifting into any gear, pull in clutch lever.

  • Page 18: Pre-Ride Inspection

    OPERATION PRE- RIDE INSPECTION Before each ride it is important to inspect your dirt bike. Make sure any problems found are corrected before starting engine. A pre-ride inspection is a must for off-road riding because off road riding can provide excessive wear and tear on components.

  • Page 19: Starting Engine

    OPERATION WARNING Never start engine without first performing a pre-ride inspection (see page 14 of this manual). Failure to perform a pre ride inspection could result in severe injury or death. Always perform pre-ride inspection before every ride and correct any problems CAUTION Verify oil level prior to starting Starting the engine with low or no oil will damage engine.
  • Page 20 OPERATION Procedures for stopping engine: 1- Release throttle twist grip to slow down engine. 2- Shift to neutral position once stopped. 3- Set the ignition switch key to “ ” (OFF) position. 4- Set the fuel valve handle to “OFF” position. CAUTION Unnecessarily increasing RPM’s to a high level while dirt bike is in neutral is harmful to the engine.

  • Page 21: Maintenance

    MAINTENANCE CHECkING ENGINE OIL Checking Oil Check engine oil each time prior to operating the dirt bike. The oil level should be between the upper and lower lines of the oil cap dip stick Set dirt bike on level ground. 2- Remove dip stick to check oil level.

  • Page 22: Check Up Of Spark Plug

    MAINTENANCE CHANGING ENGINE OIL If engine is cold, start engine and allow to warm up 3 - 5 minutes. 2. Turn engine off allowing oil to settle to bottom of oil case. 3. With warm engine, NOT HOT, remove oil drain plug located at bottom of engine and let oil drain into an approved collection container.

  • Page 23: Checking & Cleaning Air Filter

    MAINTENANCE CHECkING & CLEANING AIR FILTER 1- Locate air filter which is attached to carburetor under gas tank. 2- Remove air filter by loosening clamp holding filter in place 3- Once foam filter is removed, remove outer foam filter sleeve, check filter for damage or tears.

  • Page 24: Adjusting The Throttle Cable

    MAINTENANCE ADJUSTING THE THROTTLE CABLE 2-4mm Make sure the throttle works normally. 1/16 - 3/16 in Check if the throttle twist grip has the required free operating movement. The required free operating movement: 2-4mm (1/16-3/16 in) If the grip cannot be moved freely, turn adjusting nut located on top of the throttle Adjust nut twist grip to ensure proper operating movement.

  • Page 25: Front Hydraulic Disk Brake

    MAINTENANCE FRONT HYDRAULIC DISk BRAkE INSPECTION Brake hose Brake fluid cap Brake fluid reservoir Lower mark Brake fluid level Front disk brake caliper 1- Inspect the front disk brake caliper for leakage. If brake fluid leaks, the safety of riding could be affected. 2- Inspect the brake hose for cracks, and the joint for leakage.

  • Page 26: Clutch Adjustment

    MAINTENANCE 3.0 - 5.0mm play CLUTCH ADJUSTMENT Clutch lever (0.12”-0.20”) adjustment nut Adjustment Cover To adjust the clutch lever play: Remove adjuster cover (slide back on cable). Loosen adjuster nut and move adjuster in or out to obtain the correct play.

  • Page 27: Adjustment Of Chain

    MAINTENANCE ADJUSTMENT OF CHAIN When chain adjustment is needed, loosen rear axle bolt . Turn chain adjusting nuts on left and right sides to adjust tension of chain. To keep wheel straight, adjustment marks are marked on both sides of rear swing arm. Make sure adjustment is even with corresponding mark on opposite side of wheel.

  • Page 28: Torque Specifications

    MAINTENANCE TORQUE SPECIFICATIONS Front wheel axle bolt 12mm 37-44 ft.lb. (50-60 Nm) Rear wheel axle bolt 13mm 37-44 ft.lb. (50-60 Nm) Handle bar clamp bracket 4 ea. 8mm 15-18 ft.lb. (20-25 Nm) Top fork tube bolts 2 ea. 10 mm 24-25 ft.lb.

  • Page 29: Inspection And Maintenance Chart

    MAINTENANCE INSPECTION AND MAINTENANCE It is very important to inspect and maintain your dirt bike regularly. Follow the guidelines in the chart. The intervals between periodic services in months are shown. At the end of each interval be sure to perform the maintenance listed. MAINTENANCE SCHEDULE Item Initial...

  • Page 30: Troubleshooting

    Failing to troubleshoot a problem correctly would damage your Dirt Bike. 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 Supply Check Make sure there is adequate clean fresh fuel in the fuel tank.
  • Page 31 TROUBLESHOOTING Ignition System Check Remove the spark plug and reattach it to the spark plug lead. Turn ignition stop switch to the “RUN” position. Have someone work the kick start lever. If the ignition system is operating properly, a blue spark should jump across spark plug gap.

  • Page 32: Vehicle Washing

    VEHICLE WASHING Cleaning the vehicle regularly can slow down the color fading of its body and make it easier to check if there is any damage and any oil leakage. CAUTION Washing the dirt bike with over-pressurized water may cause damage to some of its components.

  • Page 33: Instructions For Storage

    INSTRUCTIONS FOR STORAGE If the vehicle is not going to be used for a long period of time, for example, in winter time, some steps should be taken to prevent malfunction of and damage to its components which might be caused by long storage. Before storing vehicle for a long period , proper maintenance should be completed.

  • Page 34: Resumption Of Service After Storage

    INSTRUCTIONS FOR STORAGE RESUMPTION OF SERVICE AFTER STORAGE 1. Change engine oil if vehicle has been out service for over 4 months. 2. Drain off any remaining unused gas in tank, follow by filling with fresh gasoline. 3. Make sure all bolts are tight. See torque specs. 3.

  • Page 35: Serial Number Location

    You need to know the frame and engine serial numbers to get title documents for your Dirt Bike. You also need these numbers to help your authorized service center or Baja Motorsports order parts. The Frame number is stamped on front of Dirt bike frame. The engine number is located on the left side of the engine housing.

  • Page 36: Emission Control System Warranty

    EMISSION CONTROL SYSTEM WARRANTY BAJA MOTORSPORTS - EMISSION CONTROL SYSTEM WARRANTY YOUR WARRANTY RIGHTS AND OBLIGATIONS The emission control system warranty period for this vehicle begins on the the date the vehicle is delivered to the first purchaser other than an authorized dealer, or the date it is first used a dem-...
  • Page 37 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.
  • Page 38 Baja Motorsports, LLC P.O. Box 61150 Phoenix, AZ 85082 Tel: 602-443-9180 Toll Free: 888-863-2252...

This manual is also suitable for:

Dx110

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