2002 YAMAHA BEAR TRACKER 250 valve

OPERATION ...........................................6-1
Starting a cold engine ...........................6-3
Starting a warm engine ........................6-9
Warming up ..........................................6-9
Drive select lever operation and
reverse driving .................................6-11
Shifting ...............................................6-15
To start out and accelerate: ...............6-17
To decelerate: ....................................6-19
Engine break-in ..................................6-21
Parking ...............................................6-23
Parking on a slope .............................6-25
Accessories and loading ....................6-27
RIDING YOUR ATV..................................7-1
Getting to know your ATV .....................7-3
Ride with care and good
judgement ...........................................7-5
Be careful where you ride ...................7-27
Turning your ATV ................................7-41
Climbing uphill.....................................7-47
Riding downhill ....................................7-57
Crossing a slope .................................7-61
Crossing through shallow water ..........7-65
Riding over rough terrain ....................7-69
Sliding and skidding ............................7-71
67
What to do if ... ................................... 7-75
What to do ... ...................................... 7-75
PERIODIC MAINTENANCE AND
ADJUSTMENT ......................................... 8-1
Owner’s manual and tool kit ................. 8-3
Periodic maintenance/lubrication ......... 8-7
Engine oil ............................................ 8-13
Final gear oil ....................................... 8-23
Spark plug inspection ......................... 8-29
Air filter cleaning ................................. 8-33
Carburetor adjustment ....................... 8-39
Idle speed adjustment ....................... 8-41
Valve clearance adjustment .............. 8-43
Throttle lever adjustment ................... 8-43
Front brake pad inspection ................ 8-45
Rear brake shoe inspection ............... 8-45
Brake fluid level inspection ................ 8-47
Brake fluid replacement ...................... 8-49
Front brake adjustment ...................... 8-51
Rear brake adjustment ...................... 8-53
Adjusting the rear brake light switch ... 8-59
Clutch adjustment .............................. 8-61
Cable inspection and lubrication......... 8-63
Brake lever and brake pedal
lubrication ........................................ 8-65
Steering shaft lubrication ................... 8-65
8
EE.book Page 2 Monday, June 25, 2001 3:46 PM

5-9
EBU00909
Fuel
Make sure there is sufficient gasoline in the tank.NOTE:_ (for Europe only)
If knocking or pinging occurs, use a different brand
of gasoline or higher octane grade._CAUTION:_ Use only unleaded gasoline. The use of leaded
gasoline will cause severe damage to the en-
gine internal parts such as valves, piston
rings, exhaust system, etc. _
Recommended fuel:
For Europe: Regular unleaded gasoline
only with a research octane number of 91
or higher.
For Australia: Unleaded gasoline only
Fuel tank capacity:
Total:
12 L
Reserve:
1.6 L
EE.book Page 9 Monday, June 25, 2001 2:27 PM

8-7
EBU00262
PERIODIC MAINTENANCE/LUBRICATION
ITEM ROUTINEINITIAL EVERY
1
month3
months6
months6
months1
year
Valves*•Check valve clearance.
•Adjust if necessary.
Spark plug•Check condition.
•Adjust gap and clean.
•Replace if necessary.Air filter•Clean.
•Replace if necessary.Every 20~40 hours
(More often in wet or dusty areas.)
Carburetor*•Check idle speed/starter operation.
•Adjust if necessary.Cylinder head breather
system*•Check breather hose for cracks or damage.
•Replace if necessary.Exhaust system*•Check for leakage.
•Retighten if necessary.
•Replace gasket if necessary.Fuel line*•Check fuel hose for cracks or damage.
•Replace if necessary.Engine oil
•Replace (Warm engine before draining).Engine oil filter
•Clean.Engine oil strainer
•Clean.Final gear oil•Check oil level/oil leakage.
•Replace.Front brake*•Check operation/fluid leakage/see NOTE page 8-4.
•Correct if necessary.Rear brake*•Check operation.
•Adjust if necessary.Clutch*•Check operation.
•Adjust if necessary.EE.book Page 7 Monday, June 25, 2001 2:27 PM

8-43 1. Adjusting bolt 2. Locknut a. 3 ~ 5 mm
1. Boulon de réglage 2. Contre-écrou
1. Perno de ajuste 2. Contratuerca
EBU00303
Valve clearance adjustment
The correct valve clearance changes with use, re-
sulting in improper fuel/air supply or engine noise.
To prevent this, the valve clearance must be ad-
justed regularly. This adjustment however, should
be left to a professional Yamaha service techni-
cian.
EBU00307
Throttle lever adjustmentNOTE:Adjust the engine idling speed before adjusting the
throttle lever free play.1. Loosen the locknut.
2. Turn the adjusting bolt until the throttle lever
free play is 3 ~ 5 mm.
3. Tighten the locknut.
EE.book Page 43 Monday, June 25, 2001 2:27 PM