clock YAMAHA WR 250F 2005 User Guide

4 - 183
ENGKICK SHAFT AND SHIFT SHAFT
2. Install:
Torsion spring
1
To kick shaft
2.
NOTE:Make sure the stopper
a of the tor-
sion spring fits into the hole
b on the
kick shaft.
3. Install:
Spring guide
1
NOTE:Slide the spring guide into the kick
shaft, make sure the groove
a in the
spring guide fits on the stopper of the
torsion spring.
4. Install:
Kick shaft assembly
1
Washer
2
NOTE:Apply the molybdenum disulfide
grease on the contacting surfaces
of the kick shaft stopper
a and
kick shaft ratchet wheel guide
3.
Apply the engine oil on the kick
shaft.
Slide the kick shaft assembly into
the crankcase and make sure the
kick shaft stopper
a fits into the
kick shaft ratchet wheel guide.
5. Hook:
Torsion spring
1
NOTE:Turn the torsion spring clockwise and
hook into the proper hole
a in the
crankcase.
Kick idle gear
1. Install:
Kick idle gear
1
Washer
2
Circlip
3
NOTE:Apply the engine oil on the kick idle
gear inner circumference.
Install the kick idle gear with its
depressed side
a toward you.
New
2. Monter:
Ressort de torsion 1
Sur l’arbre de kick 2
N.B.:
Veiller à ce que la butée a du ressort de
torsion s’engage dans l’orifice b de
l’arbre de kick.
3. Monter:
Guide de ressort 1
N.B.:
Glisser le guide de ressort dans l’arbre
de kick en veillant à ce que la gorge a
du guide de ressort s’engage sur la butée
du ressort de torsion.
4. Monter:
Arbre de kick complet 1
Rondelle 2
N.B.:
Appliquer la graisse au bisulfure de
molybdène sur les surfaces de contact
de la butée d’arbre de kick a et du
guide de roue à rochet de l’arbre de
kick 3.
Appliquer de l’huile moteur sur
l’arbre de kick.
Faire glisser l’arbre de kick complet
dans le carter moteur et vérifier que la
butée d’arbre de kick a s’insère dans
le guide de roue à rochet de l’arbre de
kick.
5. Accrocher:
Ressort de torsion 1
N.B.:
Faire tourner le ressort de torsion dans le
sens des aiguilles d’une montre et
l’accrocher dans l’orifice correspondant
a du carter.
Pignon fou de kick
1. Monter:
Pignon fou de kick 1
Rondelle 2
Circlip 3
N.B.:
Appliquer de l’huile moteur sur la cir-
conférence intérieure du pignon fou de
kick.
Monter le pignon fou de kick en orien-
tant son côté chanfreiné a vers vous.
New
ARBRE DE KICK ET AXE DE SELECTEUR

4 - 197
ENGAC MAGNETO AND STARTER CLUTCH
3. Check:
Starter clutch operation
Install the starter clutch drive
gear
1 onto the starter clutch
2 and hold the starter clutch.
When turning the starter clutch
drive gear counterclockwise
É,
the starter clutch and the starter
clutch drive gear should
engage. If the starter clutch
drive gear and starter clutch do
not engage, the starter clutch is
faulty and must be replaced.
When turning the starter clutch
drive gear clockwise
È, it
should turn freely.
If the starter clutch drive gear
does not turn freely, the starter
clutch is faulty and must be
replaced.
Torque limiter
1. Check:
Torque limiter
Damage/wear
→ Replace.
EC4L5000ASSEMBLY AND INSTALLATION
AC magneto and starter clutch
1. Install:
Stator
1
Bolt (stator)
2
Pickup coil
3
Bolt (pickup coil)
4
T R..7 Nm (0.7 m · kg, 5.1 ft · lb)
T R..10 Nm (1.0 m · kg, 7.2 ft · lb)
3. Contrôler:
Fonctionnement de l’embrayage
du démarreur
Installer le pignon menant de
l’embrayage du démarreur 1 sur
l’embrayage du démarreur 2 et
maintenir l’embrayage du démar-
reur.
Tourner le pignon menant de
l’embrayage du démarreur dans le
sens inverse des aiguilles d’une
montre É, l’embrayage du démar-
reur et son pignon menant doivent
s’engrener. Si ce n’est pas le cas,
l’embrayage du démarreur est
défectueux et doit être remplacé.
Tourner le pignon menant de
l’embrayage du démarreur dans le
sens des aiguilles d’une montre È,
il doit tourner librement.
Si ce n’est pas le cas, l’embrayage
du démarreur est défectueux et doit
être remplacé.
Limiteur de couple
1. Contrôler:
Limiteur de couple
Endommagement/usure → Rem-
placer.
ASSEMBLAGE ET MONTAGE
Alternateur avec rotor à alimentation
permanente et embrayage du
démarreur
1. Monter:
Stator 1
Boulon (stator) 2
Bobine d’excitation 3
Boulon (bobine d’excitation) 4
T R..7 Nm (0,7 m · kg, 5,1 ft · lb)
T R..10 Nm (1,0 m · kg, 7,2 ft · lb)
ALTERNATEUR AVEC ROTOR A ALIMENTATION PERMANENTE ET EMBRAYAGE DU DEMARREUR

7 - 41
TUNSETTING
EC72H002Suspension setting
Front fork
NOTE:If any of the following symptoms is experienced with the standard position as the base, make resetting by reference to
the adjustment procedure given in the same chart.
Before any change, set the rear shock absorber sunken length to the standard figure 90 ~ 100 mm (3.5 ~ 3.9 in).
SymptomSection
Check Adjust
JumpLarge
gapMedium
gapSmall
gap
Stiff over entire rangeCompression damping
Oil level (oil amount)
SpringTurn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Decrease oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).
Replace with soft spring.
Unsmooth movement
over entire rangeOuter tube
Inner tube
Under bracket tightening
torqueCheck for any bends, dents, and other noticeable
scars, etc. If any, replace affected parts.
Retighten to specified torque.
Poor initial
movementRebound damping
Oil sealTurn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Apply grease in oil seal wall.
Soft over entire
range, bottoming outCompression damping
Oil level (oil amount)
SpringTurn adjuster clockwise (about 2 clicks) to increase
damping.
Increase oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).
Replace with stiff spring.
Stiff toward stroke
endOil level (oil amount) Decrease oil level by about 5 mm (0.2 in).
Soft toward stroke
end, bottoming outOil level (oil amount) Increase oil level by about 5 mm (0.2 in).
Stiff initial movement Compression dampingTurn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Low front, tending to
lower front postureCompression damping
Rebound damping
Balance with rear end
Oil level (oil amount)Turn adjuster clockwise (about 2 clicks) to increase
damping.
Turn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Set sunken length for 95 ~ 100 mm (3.7 ~ 3.9 in)
when one passenger is astride seat (lower rear
posture).
Increase oil level by about 5 mm (0.2 in).
“Obtrusive” front,
tending to upper front
postureCompression damping
Balance with rear end
Spring
Oil lever (oil amount)Turn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Set sunken length for 90 ~ 95 mm (3.5 ~ 3.7 in)
when one passenger is astride seat (upper rear
posture).
Replace with soft spring.
Decrease oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).

7 - 42
TUNSETTING
Rear shock absorber
NOTE:If any of the following symptoms is experienced with the standard position as the base, make resetting by reference to
the adjustment procedure given in the same chart.
Adjust the rebound damping in 2-click increments or decrements.
Adjust the low compression damping in 1-click increments or decrements.
Adjust the high compression damping in 1/6 turn increments or decrements.
SymptomSection
Check Adjust
JumpLarge
gapMedium
gapSmall
gap
Stiff, tending to sinkRebound damping
Spring set lengthTurn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Set sunken length for 90 ~ 100 mm (3.5 ~ 3.9 in)
when one passenger is astride seat.
Spongy and unstableRebound damping
Low compression
damping
SpringTurn adjuster clockwise (about 2 clicks) to increase
damping.
Turn adjuster clockwise (about 1 click) to increase
damping.
Replace with stiff spring.
Heavy and draggingRebound damping
SpringTurn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Replace with soft spring.
Poor road grippingRebound damping
Low compression
damping
High compression
damping
Spring set length
SpringTurn adjuster counterclockwise (about 2 clicks) to
decrease damping.
Turn adjuster clockwise (about 1 clicks) to increase
damping.
Turn adjuster clockwise (about 1/6 clicks) to
increase damping.
Set sunken length for 90 ~ 100 mm (3.5 ~ 3.9 in)
when one passenger is astride seat.
Replace with soft spring.
Bottoming outHigh compression
damping
Spring set length
SpringTurn adjuster clockwise (about 1/6 turn) to increase
damping.
Set sunken length for 90 ~ 100 mm (3.5 ~ 3.9 in)
when one passenger in astride seat.
Replace with stiff spring.
BouncingRebound damping
SpringTurn adjuster clockwise (about 2 clicks) to increase
damping.
Replace with soft spring.
Stiff travelHigh compression
damping
Spring set length
SpringTurn adjuster counterclockwise (about 1/6 turn) to
decrease damping.
Set sunken length for 90 ~ 100 mm (3.5 ~ 3.9 in)
when one passenger is astride seat.
Replace with soft spring.