2003 Yamaha Motorsports Big Bear 400 4x4 Problems and Repair Information
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Free 2003 Yamaha Motorsports Big Bear 400 4x4 manuals!
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Popular 2003 Yamaha Motorsports Big Bear 400 4x4 Manual Pages
Owners Manual - Page 7
......5-9 Switches...5-9 Tires ...5-9 How to measure tire pressure...5-11 Tire wear limit...5-12
6
OPERATION ...6-1 Starting a cold engine...6-1 Starting a warm engine ...6-3 Warming up ...6-3 Reverse knob operation and reverse driving ...6-4 Shifting...6-5 To start out and accelerate:...6-5 To decelerate:...6-6 Engine break-in ...6-7 Parking...6-8 Parking on a slope...6-9 Accessories and loading...
Owners Manual - Page 8
... over rough terrain...7-36 Sliding and skidding ...7-38 What to do if ...7-40 What to do ...7-40 8 PERIODIC MAINTENANCE AND ADJUSTMENT ...8-1 Owner's manual and tool kit...8-1 Periodic maintenance/ lubrication ...8-3 Engine oil...8-5 Final gear oil ...8-9 Differential gear oil replacement ...8-11 Axle boots...8-13 Spark plug inspection...8-13 Air filter cleaning ...8-14 Spark arrester cleaning...
Owners Manual - Page 14
...A collision or rollover can result if you do not follow these instructions: G Read this manual and all labels carefully and follow the age recommendation: - Take a Training Course. A ... allow a child under 16 years old should receive training from other vehicles including motorcycles and cars. Contact an authorized ATV dealer or call 1-800-887-2887 to...with engine size greater than 90cc.
Owners Manual - Page 18
..., or the ATV Distributor's Safety Hotline at 1-800-852-5344.
2-5 Never exceed the stated load capacity for braking. G G G
Always use of accessories.
Cargo should be properly distributed and securely attached. Always maintain proper tire pressure as described in this manual. Reduce speed and follow instructions in this manual for carrying cargo or pulling a trailer.
Owners Manual - Page 25
... Oil temperature warning light " " Four-wheel drive indicator light " "
_
G
The engine may overheat if the ATV is safe to do so and allow the engine to cool down for about 10 minutes.
1 2 3 4 5 6 7 8 9... light may cause damage to specification.
EBU00045
EBU00605
Four-wheel-drive indicator light " " This indicator light comes on when the transmission is out. EBU00802
EBU01140
Indicator...
Owners Manual - Page 26
... does not come on . Oil temperature warning light comes on momentarily.
Go ahead with the transmission in neutral. Push start switch with riding. Check engine oil temperature. Allow to " ". Oil temperature warning light does not come on . Engine oil temperature and electrical circuit are OK. Oil temperature is low. Ask a Yamaha dealer to...
Owners Manual - Page 30
... work smoothly, check for the cause. HOW TO AVOID THE HAZARD Check the operation of the throttle lever will increase the engine speed. If it returns to . Correct the problem before you can't find or solve the problem yourself.
1. Throttle lever
4-7 WHAT CAN HAPPEN The throttle could cause an accident. Before starting the...
Owners Manual - Page 34
Neutral is located on the left side of the engine. The shift pedal is one position above reverse. Reverse is used to the "Reverse knob operation and ...Reverse
4-11 EBU00084
EBU01028
Shift pedal This machine is equipped with a constantmesh 5-speed forward and 1-speed reverse transmission. Reverse knob "REV" 1. Shift pedal N. Neutral R.
Refer to shift into reverse gear.
Owners Manual - Page 35
.... WHAT CAN HAPPEN The ATV could start to pull the rope all the way out. WARNING
POTENTIAL HAZARD Starting the engine in neutral and set the parking brake before starting the engine without setting the parking brake. Then pull forcefully, being careful not to move unexpectedly, which could cause an accident. Recoil...
Owners Manual - Page 44
The auxiliary DC jack can be used when the engine is running. 1. Set the light switch to "OFF". 2. Open the auxiliary DC jack cap, and then insert the accessory power plug into the jack. EBU01002
Auxiliary DC jack The auxiliary DC jack is not being used, cover it with the cap.
1. Cap
4-21...
Owners Manual - Page 45
... capacity. CAUTION:
_
G
G
G
Do not use an automotive cigarette lighter or other accessories with the headlights turned on, the battery will lose its charge and engine starting may overload the circuit and cause the fuse to blow. If accessories are used without the engine running or with a plug that gets hot because the jack can...
Owners Manual - Page 49
... lose braking ability, which could lead to an accident. Do not ride the ATV if you find any problem with improperly operating brakes. If a problem cannot be corrected by the adjustment procedures provided in this manual, have a Yamaha dealer check for the cause.
5-4 HOW TO AVOID THE HAZARD Always check the brakes at...
Owners Manual - Page 50
... sure there is not recommended by Yamaha because it may cause fuel system damage or vehicle performance problems.
CAUTION:
_
Use only unleaded gasoline. Fuel level
2. Gasohol containing methanol is sufficient gasoline in the tank. Unleaded fuel will cause severe damage to internal engine parts, such as the valves and piston rings, as well as to the exhaust...
Owners Manual - Page 58
... sure all controls. HOW TO AVOID THE HAZARD Read the Owner's Manual carefully. If there is a control or function you begin riding. 1. Starting a cold engine
WARNING
POTENTIAL HAZARD Freezing control cables in serious injury or death. Set the parking brake. 2. Shift the transmission into neutral. EBU00161
EBU00749
OPERATION
WARNING
Indicates a potential hazard that...
Owners Manual - Page 59
...transmission is in neutral, the neutral indicator light should come on .
Completely close the throttle lever and start the engine by pushing the start - Position 2: Cold engine start switch.
6-2 Fully-open
1. Closed
11 12 13 14
6. G The engine can be started in reference to the figure: Position 1: Cold engine...176;C (80 °F) and warm engine start - a. Use the starter (...
Owners Manual - Page 62
Reverse
6-5 Even with centrifugal automatic clutch.
Open the throttle gradually.
1.
EBU00205
To start out and accelerate: 1. Otherwise, damage to the engine and drive train may damage the transmission. Neutral
R. CAUTION:
Always close the throttle while shifting gears. To shift into first gear and release the shift pedal. 3. Release the throttle lever. Inadequate ...
Owners Manual - Page 81
... changes in your speed when adding additional loads. Cargo should be adversely affected. Reduce your Owner's Manual for carrying cargo or pulling a trailer.
7-11 MAXIMUM LOADING LIMIT G Vehicle loading limit (total weight of cargo, rider and accessories, and tongue weight): 210 kg (463 lb) G Front carrier: 40 kg (88 lb) G Rear carrier: 80...
Owners Manual - Page 112
...-pressure tire gauge in the safest and most important points of the machine owner.
EBU00535
WARNING
POTENTIAL HAZARD Servicing an engine while it under the seat as shown. HOW TO AVOID THE HAZARD Turn off the engine when performing maintenance unless otherwise specified.
8-1
Owner's manual and tool kit You are not familiar with machine service. Have a Yamaha dealer perform service...
Owners Manual - Page 113
... do not have a torque wrench available during a service operation requiring one, take your own preventive maintenance and minor repairs. All parts and accessories added to this vehicle should be genuine Yamaha or equivalent components designed for this vehicle may cause changes in handling which in the Owner's tool kit are sufficient for use of this purpose...
Owners Manual - Page 124
... to slowly break down and erode. You should replace the spark plug with one of the engine. Boot (× 2)
8-13 For example, a very white center electrode porcelain color could indicate an intake air leak or carburetion problem for holes or tears. Do not attempt to inspect. EBU00862
EBU00870*
Axle boots Check the...
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