torque YAMAHA BEAR TRACKER 250 2004 Owners Manual

5-17
EBU11620
Fittings and fasteners
Always check the tightness of chassis fittings and
fasteners before a ride. Take the machine to a
Yamaha dealer or refer to the Service Manual for
correct tightening torque.
EBU10030
Lights
Check the headlights and tail/brake light to make
sure they are in working condition. Repair as nec-
essary for proper operation.
EBU11700
Switches
Check the operation of all switches. Have a
Yamaha dealer repair as necessary for proper op-
eration.
EBU00499
Battery
Check fluid level and fill if necessary. Use only dis-
tilled water if refilling is necessary. (See pages
8-69–8-75.)
U4XE65.book Page 17 Tuesday, May 6, 2003 1:38 PM

8-3 1. Owner’s manual
1. Manuel du propriétaire
1. Manual del propietario
1. Owner’s tool kit
2. Low-pressure tire gauge
1. Trousse à outils du propriétaire
2. Manomètre basse pression pour pneus
1. Juego de herramientas del propietario
2. Manómetro de baja presión
EBU00536
Owner’s manual and tool kit
You are recommended to put this owner’s manual
in the vinyl bag and always carry it under the seat
as shown. Put the owner’s tool kit and low-pres-
sure tire gauge in the storage box.
The service information included in this manual is
intended to provide you, the owner, with the nec-
essary information for completing your own pre-
ventive maintenance and minor repairs. The tools
provided in the Owner’s tool kit are sufficient for
this purpose, except that a torque wrench is also
necessary to properly tighten nuts and bolts.NOTE:If you do not have a torque wrench available dur-
ing a service operation requiring one, take your
machine to a Yamaha dealer to check the torque
settings and adjust them as necessary.
U4XE65.book Page 3 Tuesday, May 6, 2003 1:38 PM

8-17 1. Oil filter cover
2. Engine oil filter element
3. O-ring
1. Couvercle du filtre à huile
2.Élément du filtre à huile de moteur
3. Joint torique
1. Tapa del filtro de aceite
2. Elemento del filtro de aceite de motor
3. Junta tórica
5. Remove the oil filter cover and oil filter ele-
ment.
6. Clean the oil strainer and oil filter element
with solvent.
7. Inspect the O-ring and replace it if damaged.
8. Install the oil filter element, O-ring and oil filter
cover.
9. Install the oil strainer, compression spring,
O-ring and drain bolt.
10. Tighten the drain bolt and the oil filter cover
bolts to the specified torques.CAUTION:_ Before installing the drain bolt, be sure to in-
stall the O-ring, compression spring and oil
strainer. _11. Fill the engine with oil and install the engine
oil filler cap. Tightening torque:
Drain bolt (engine):
43 Nm (4.3 m·kgf)
Oil filter cover bolt:
10 Nm (1.0 m·kgf)
U4XE65.book Page 17 Tuesday, May 6, 2003 1:38 PM

8-23 1. Final gear case cover 2. Bolt (× 3)
1. Couvercle du carter de transmission finale 2. Boulon (× 3)
1. Cubierta del cárter de la transmisión final 2. Perno (× 3)
1. Final gear oil drain bolt
1. Boulon de vidange du carter de transmission finale
1. Perno de drenaje del aceite del cárter de la transmisión final
Final gear oil replacement
1. Remove the final gear case cover by remov-
ing the bolts.
2. Place the machine on a level surface.
3. Place a container under the final gear case to
collect the used oil.
4. Remove the oil filler bolt and the drain bolt to
drain the oil.
5. Install the drain bolt, and then tighten it to the
specified torque.
6. Add the recommended final gear oil to the
brim of the filler hole. Tightening torque:
Final gear oil drain bolt:
23 Nm (2.3 m·kgf)
Recommended oil:
See page 10-3.
Oil quantity:
0.25 L
U4XE65.book Page 23 Tuesday, May 6, 2003 1:38 PM

8-25
CAUTION:_ Be sure no foreign material enters the final
gear case. _7. Install the oil filler bolt.
8. Check for oil leakage. If oil leakage is found,
check for the cause.
9. Install the final gear case cover bolts, and
then tighten them to the specified torque.
Tightening torque:
Final gear case cover bolt:
17 Nm (1.7 m·kgf)
U4XE65.book Page 25 Tuesday, May 6, 2003 1:38 PM

8-29 a. Spark plug gap
a.Écartement des électrodes
a. Separación entre electrodos de la bujía
Before installing the spark plug, measure the elec-
trode gap with a wire thickness gauge and adjust it
to specification.
When installing the spark plug, always clean the
gasket surface and its mating surface. Wipe off
any grime from the threads and tighten it to the
specified torque.Spark plug gap:
0.6–0.7 mm
Tightening torque:
Spark plug:
17.5 Nm (1.75 m·kgf)
U4XE65.book Page 29 Tuesday, May 6, 2003 1:38 PM

8-59 1. Locknut 2. Adjusting bolt
1. Contre-écrou 2. Boulon de réglage
1. Contratuerca 2. Perno de ajuste
EBU00346
Clutch adjustment
1. Loosen the locknut.
2. Slowly turn the adjusting bolt counterclock-
wise until resistance is felt. Then, turn it 1/8
turn clockwise.
3. Tighten the locknut to specification.NOTE:Turn the adjusting bolt counterclockwise to de-
crease the clutch free play and turn it clockwise to
increase the free play.
Tightening torque:
15 Nm (1.5 m·kgf)
U4XE65.book Page 59 Tuesday, May 6, 2003 1:38 PM

8-67 1. Arrow mark
1. Flèche
1. Flecha
1. Tapered nut
1.Écrou conique
1. Tuerca cónica
EBU01121
Wheel installation
1. Install the wheel and the nuts.NOTE:_

Tapered nuts are used for both the front and
rear wheels. Install the nut with its tapered side
towards the wheel.


The arrow mark on the tire must point to-
ward the rotating direction of the wheel.
_2. Lower the ATV so that the wheel is on the
ground.
3. Tighten the wheel nuts to the specified
torque.
Wheel nut torque:
Front: 55 Nm (5.5 m·kgf)
Rear: 55 Nm (5.5 m·kgf)
U4XE65.book Page 67 Tuesday, May 6, 2003 1:38 PM

11-1
EBU01070
Conversion tableACS-02EAll specification data in this manual are listed in SI
and METRIC UNITS.
Use this table to convert METRIC unit values to
IMPERIAL unit values.
Example:
METRIC
VALUECONVERSION
FACTORIMPERIAL
VALUE
2 mm× 0.03937 = 0.08 in
Conversion table
METRIC SYSTEM TO IMPERIAL SYSTEM
Metric unitConversion
factorImperial unit
Torquem·kgf
m·kgf
cm·kgf
cm·kgf
× 7.233× 86.794× 0.0723× 0.8679ft·lbf
in·lbf
ft·lbf
in·lbf
Weightkg
g× 2.205× 0.03527lb
oz
Speed km/h× 0.6214 mi/h
Distancekm
m
m
cm
mm× 0.6214× 3.281× 1.094× 0.3937× 0.03937mi
ft
yd
in
in
Volume,
Capacitycc (cm
3)
cc (cm3)
L (liter)
L (liter)
× 0.03527× 0.06102× 0.8799× 0.2199oz (IMP liq.)
cu·in
qt (IMP liq.)
gal (IMP liq.)
Miscellaneouskg/mm
kgf/cm
2
°
C
× 55.997× 14.2234× 1.8 + 32 lb/in
psi (lbf/in
2)
°
F
U4XE65.book Page 1 Tuesday, May 6, 2003 1:38 PM