Baja DX70 User manual

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.
OWNER’S MANUAL
Minimum Recommended Age
Requirement: 16
Rev. A
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.

II
Congratulations on your purchase of a Baja Motorsports dirt
bike.
Your dirt bike is warranted to be free of manufacturing defects in material
and workmanship for a period of 90 days form the date of purchase. During
the warranty period BAJA MOTORSPORTS, will at its option, repair, provide
replacement parts or replace your Dirt bike at no charge. This warranty
does not cover normal wear items or damage caused by neglect or misuse
of the product.
Engine Warranty – 90 days
Frame Warranty – 90 days
Warranty is void if:
Frame is bent or broken due to abuse
If wheels are bent or broken
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.
Should you experience a problem or need to return your Baja Motorsports
dirt bike for repair, please call the BAJA MOTORSPORTS customer service
department TOLL FREE at 1-888-863-BAJA (2252) between the hours of 7am
and 5pm Monday thru Friday PST and Saturday 8am to 4pm PST. During DST
hours change to MT. You will be instructed how to proceed.
A COPY OF THE SALES RECEIPT IS REQUIRED.

III
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. All operators should obtain,
review, and follow provincial and municipal
government acts and regulations pertaining
to owning and operating an off-road vehicle.
Children under the age of 16 should only ride
under adult supervision.
WARNING
!
The engine exhaust from this product contains
chemicals known to the State of California to
cause caner, birth defects and other reproductive
harms.
CALIFORNIA PROPOSITION 65
WARNING
!

1
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
GEAR SHIFTING .........................................................................................13
PRE-RIDE INSPECTION .............................................................................14
STARTING ENGINE.....................................................................................15
MAINTENANCE...................................................................................................16
CHECKING ENGINE OIL............................................................................16
CHANGING ENGINE OIL AND CLEANING SCREEN................................17
CHECK UP OF SPARK PLUG.....................................................................17
CHECKING & CLEANING AIR FILTER.......................................................18
ADJUSTING THE THROTTLE CABLE .......................................................19
ADJUSTING THE CARBURETOR ..............................................................19
FRONT HYDRAULIC DISK BRAKE............................................................20
REAR HYDRAULIC DISK BRAKE..............................................................20
CLUTCH ADJUSTMENT .............................................................................21
ADJUSTMENT OF CHAIN...........................................................................22
LUBRICATING CHAIN.................................................................................22
TORQUE SPECIFICATIONS .......................................................................23
INSPECTION AND MAINTENANCE CHART..............................................24
TROUBLE SHOOTING........................................................................................25
VEHICLE WASHING............................................................................................26
INSTRUCTIONS FOR STORAGE .......................................................................28
RESUMPTION OF SERVICE AFTER STORAGE .......................................29
SERIAL NUMBER LOCATION ............................................................................30
EMISSION CONTROL SYSTEM WARRANTY....................................................31
TABLE OF CONTENTS

2
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.
NOTE: Indicating special information which is to make maintenance easier or
instructions clearer.
WARNING and CAUTION are arranged like this:
This user’s manual contains important safety and maintenance information.
Read it carefully before riding. Failing to follow the warnings contained in this
manual could result in INJURY or DEATH.
It is important that this manual remain with the vehicle when you transfer it to
another user or owner.
All information, illustrations, photographs and specications contained in
this manual are based on the latest product information available at the time
of publication. Due to improvements or other changes, there will be some
discrepancies in this manual. We reserve the right to make product changes
at any time, without notice and without incurring any obligation to make the
same or similar changes to the vehicle previously built or sold.
WARNING
Indicates a potential hazard that could result in death or injury.
CAUTION
Indicates a potential hazard that could result in vehicle damage.
WARNING-or-CAUTION
The rst part will identify a POTENTIAL HAZARD.
The second part will describe WHAT COULD HAPPEN if you ignore
the WARNING or CAUTION.
The third part will describe HOW TO AVOID THE HAZARD.
SAFETY

3
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 certied motorcycle
rider’s course prior to operating the vehicle.
· Full attention is required during driving; paying close attention to the
following points to avoid injury or death:
1- Always wear an approved DOT ( department of transportation) helmet, it
is a proven fact that helmets reduce the number of severe head injuries.
Never ride, or let a child ride without a DOT approved motorcycle helmet.
2- Always wear protective riding gear, helmet, eye protection, long sleeve
shirt, long pants, riding boots and gloves.
3- Always watch for off road hazards, be aware of unexpected turns, drop
offs, rocks, ruts and other hazards. Keep speed low enough to allow
time to react to hazards and changing conditions.
4- Never use alcohol or drugs before or during operation. Alcohol and drugs
can signicantly reduce your ability to make good judgements and ride
safely .
5- Never operate this dirt bike at night. Night is dened as the period of time
30 minutes before sunset to 30 minutes after sunrise.
6- Never carry a passenger. This dirt bike is designed for one person only.
There are no handles, footrests, or seat for a second passenger.
7- Never drive at speeds that conditions and/or drivers ability does not
allow. High speed is the cause of many accidents.
8- Never allow anyone under the age of 16 to operate this dirt bike
without adult supervision. Physical, mental and emotional maturity
are requirements for safe riding. Rider must be able to judge speed,
distances and be able to react to changing conditions with good hand,
foot and eye coordination.
SAFETY

4
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 ts snugly. Motorcycle dealers can help in
selecting a good quality helmet which ts properly.
You should wear eye protection when you ride. If a rock or a branch hits your
eyes, you could be severely injured. Wear goggles or a face shield.
Wear proper clothing when you ride. The proper clothes can protect you from
injury. Wear a good pair of gloves, strong boots that are over the ankle, long
pants, and a long sleeve shirt.
WARNING
Operating this Dirt bike without wearing an approved DOT motorcycle
helmet, eye protection, and protective clothing could be hazardous.
Operating without an approved DOT motorcycle helmet or eye
protection increases your chances of a severe head injury or death in
an accident. Operating without protective clothing also increases your
chances of severe injury in an accident.
Always wear an approved DOT motorcycle helmet which ts properly.
Always wear eye protection (goggles or face shield). You should also
wear gloves, boots, long sleeve shirt or jacket, and long pants.
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. Inspect dirt bike
before each ride and perform all recommended maintenance and pre ride
inspections.
11- Never overload dirt bike. Maximum weight capacity is 165 lbs. (75kg).
12- Never modify your dirt bike by removing original equipment or adding
equipment that would change its design or operation. Such changes
could seriously impair your dirt bikes handling, stability and braking,
making it unsafe to ride.
SAFETY

5
WARNING LABEL PLACEMENT
OFF ROAD USE ONLY
This vehicle is designed and manufac-
tured for off road use only. It does not
conform to federal motor vehicle safety
standards. Operation on public streets,
roads, or highways is illegal
Study the owners manual carefully
Always wear a helmet, eye protection
and protective riding gear.
Do not drive while drinking alcohol or
while on medication.
WARNING
!
Must ll with motor oil
before rst use
Please see owners manual
TIRE INFORMATION
Tire Pressure: See tire side wall.
Max. Weight Capacity: 245lbs. (111kg)
Tire Size: Front- 2.5 - 12in.
Rear- 2.75 - 10in.
TIRE INFORMATION
Tire Pressure: See tire side wall.
Max. Weight Capacity: 245lbs. (111kg)
Tire Size: Front- 2.5 - 12in.
Rear- 3.0 - 10in.
DX110
DX70
SAFETY
No on under the age of 16
should operate this vehicle
without adult supervision.
WARNING
!

6
SPECIFICATION 70CC 110CC
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. (59kg) 137 lbs. (62.14kg)
In Box Weight 174 lbs. (79kg) 185 lbs. (84kg)
Passenger Capacity Operator only Operator only
Maximum Weight 165lbs. (75kg) 165lbs. (75kg)
Cargo Capacity No Cargo No Cargo
Gears 4 + Neutral 4 + Neutral
Clutch Manual Manual
Final Drive Frt 420-14T / Rr 420-42T Frt 420-14T / Rr 420-42T
Engine Type 4 stroke aircooled 4 stroke aircooled
Displacement 72cc 107cc
Bore & Stroke 1.85 X 1.63 inch
(47mm x 41.4mm)
2.06 X 1.93 inch
(52.4mm x 49.5mm)
Compression Ratio 8.8:1 9.8:1
Power (HP) 5.10 hp 6.97 hp
Valve Train OHV: Two valve OHV: Two valve
Top Speed (MPH) 46 mph (74 kph) 50 mph (80.5 kph)
Dimensions / Measurements / Weight
Capacities
Transmission
Engine Specications
SPECIFICATIONS

7
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
Drive Chain Lubricant 80 or 90 gear oil 80 or 90 gear oil
Air Cleaner Oil (Foam lter Only) Foam lter oil or equivalent Foam lter oil or equivalent
Fuel & Lubricants
Spark Plug Type Torch A7TC, NGK C7HSA,
Denso U22FS-U, Champion
Z10YC,
AC S102F, Autolite 2795
Torch A7TC, NGK C7HSA,
Denso U22FS-U, Champion
Z10YC,
AC S102F, Autolite 2795
Spark Plug Gap .02-.03 inch (.6-.7mm) .02-.03 inch (.6-.7mm)
Idle Speed 1500 +- 100rpm 1500 +- 100rpm
Drive Chain Size 08MA 08MA
Drive Chain links QTY. 98 98
Chassis Steel/Painted Steel/Painted
Front Suspension 1 inch (26mm) Spring
Hydraulic, Alluminum black
coatiing, Double clamps 24.4
in. (620mm)
1.29inch (33mm) Spring
Hydraulic, Alluminum black
coatiing, Double clamps 25
in. (635mm)
Rear Suspension Mono Shock Spring Hy-
draulic
Mono Shock Spring
Hydraulic
Spark Plug & Carburetor
Drive Chain
Chassis & Suspension
SPECIFICATION 70CC 110CC
SPECIFICATIONS