2005 YAMAHA WR 250F torque

5 - 87
CHASFRONT FORK
27. Install:
Front fork cap bolt
1
To outer tube.
NOTE:Temporarily tighten the cap bolt.
28. Install:
Protector guide
1
Installation
1. Install:
Front fork
1
NOTE:Temporarily tighten the pinch bolts
(lower bracket).
Do not tighten the pinch bolts
(upper bracket) yet.
2. Tighten:
Front fork cap bolt
1
3. Adjust:
Front fork top end
a
T R..30 Nm (3.0 m · kg, 22 ft · lb)
Front fork top end
(standard) a
:
5 mm (0.20 in)
4. Tighten:
Pinch bolt (upper bracket)
1
Pinch bolt (lower bracket)
2
CAUTION:
Tighten the lower bracket to speci-
fied torque. If torqued too much, it
may cause the front fork to mal-
function.
T R..23 Nm (2.3 m · kg, 17 ft · lb)
T R..20 Nm (2.0 m · kg, 14 ft · lb)
27. Monter:
Bouchon de tube de fourche 1
Sur le fourreau.
N.B.:
Serrer provisoirement le boulon capu-
chon.
28. Monter:
Guide de protection 1
Montage
1. Monter:
Fourche 1
N.B.:
Serrer provisoirement les boulons de
pincement (té inférieur).
Ne pas encore serrer les boulons de
pincement (té supérieur).
2. Serrer:
Bouchon de tube de fourche 1
3. Régler:
Extrémité supérieure de la four-
che avant a
T R..30 Nm (3,0 m · kg, 22 ft · lb)
Sommet de bras de fourche
(standard) a:
5 mm (0,20 in)
4. Serrer:
Boulon de pincement (té supé-
rieur) 1
Boulon de pincement (té infé-
rieur) 2
ATTENTION:
Serrer le té inférieur au couple spéci-
fié. Un serrage excessif peut compro-
mettre le bon fonctionnement de la
fourche avant.
T R..23 Nm (2,3 m · kg, 17 ft · lb)
T R..20 Nm (2,0 m · kg, 14 ft · lb)
FOURCHE

5 - 117
CHASSTEERING
12. Tighten:
Pinch bolt (upper bracket)
1
Pinch bolt (lower bracket)
2
CAUTION:
Tighten the lower bracket to speci-
fied torque. If torqued too much, it
may cause the front fork to mal-
function.
T R..23 Nm (2.3 m · kg, 17 ft · lb)
T R..20 Nm (2.0 m · kg, 14 ft · lb)
13. Install:
Trip meter
1
Bolt (trip meter)
2
NOTE:Install the trip meter over the coupler
bracket
3.
T R..7 Nm (0.7 m · kg, 5.1 ft · lb)
12. Serrer:
Boulon de pincement (té supé-
rieur) 1
Boulon de pincement (té infé-
rieur) 2
ATTENTION:
Serrer le té inférieur au couple spéci-
fié. Un serrage excessif peut compro-
mettre le bon fonctionnement de la
fourche.
T R..23 Nm (2,3 m · kg, 17 ft · lb)
T R..20 Nm (2,0 m · kg, 14 ft · lb)
13. Monter:
Compteur journalier 1
Boulon (compteur journalier) 2
N.B.:
Monter le compteur journalier sur le sup-
port de fiche rapide 3.
T R..7 Nm (0,7 m · kg, 5,1 ft · lb)
DIRECTION

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).