2007 YAMAHA WR 250F fork bolt torque

1 - 59
GEN
INFO
TORQUE-CHECK POINTS
Frame construction Frame to rear frame
Combined seat and fuel tank Fuel tank to frame
Exhaust system Silencer to rear frame
Engine mounting Frame to engine
Engine bracket to engine
Engine bracket to frame
Steering Steering stem to handlebar Steering stem to frame
Steering stem to upper bracket
Upper bracket to handlebar
Suspension Front Steering stem to front fork Front fork to upper bracket
Front fork to lower bracket
Rear For link type Assembly of links
Link to frame
Link to rear shock absorber
Link to swingarm
Rear Installation of rear
shock absorberRear shock absorber to frame
Rear Installation of swingarm Tightening of pivot shaft
Wheel Installation of wheel Front Tightening of wheel axle
Tightening of axle holder
Rear Tightening of wheel axle
Wheel to rear wheel sprocket
Brake Front Brake caliper to front fork
Brake disc to wheel
Tightening of union bolt
Brake master cylinder to handlebar
Tightening of bleed screw
Tightening of brake hose holder
Rear Brake pedal to frame
Brake disc to wheel
Tightening of union bolt
Brake master cylinder to frame
Tightening of bleed screw
Tightening of brake hose holder
Fuel system Fuel tank to fuel cock
Lubrication system Tightening of oil hose clamp
NOTE:Concerning the tightening torque, refer to
“MAINTENANCE SPECIFICATIONS” sec-
tion in the CHAPTER 2.
TORQUE-CHECK POINTS

MAINTENANCE SPECIFICATIONS
2 - 14
SPEC
NOTE:
1. First, tighten the steering ring nut approximately 38 Nm (3.8 m  kg, 27 ft  lb) by using the steer-
ing nut wrench, then loosen the steering ring nut one turn.
2. Retighten the steering ring nut 7 Nm (0.7 m  kg, 5.1 ft  lb). Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Upper bracket and outer tube M8 × 1.25 4 21 2.1 15
Lower bracket and outer tube M8 × 1.25 4 21 2.1 15
Upper bracket and steering stem M24 × 1.0 1 145 14.5 105
Handlebar upper holder and handlebar lower
holderM8 × 1.25 4 28 2.8 20
Handlebar lower holder and upper bracket M10 × 1.25 2 34 3.4 24
Steering stem and steering ring nut M28 × 1.0 1 Refer to NOTE.
Front fork and front fork cap bolt M51 × 1.5 2 30 3.0 22
Front fork and base valve M30 × 1.0 2 55 5.5 40
Front fork cap bolt and damper rod M12 × 1.25 2 29 2.9 21
Front fork bleed screw and front fork cap bolt M5 × 0.8 2 1 0.1 0.7
Front fork and front fork protector M6 × 1.0 6 7 0.7 5.1
Front fork protector and brake hose holder M6 × 1.0 2 7 0.7 5.1
Throttle grip cap M5 × 0.8 2 4 0.4 2.9
Front brake master cylinder M6 × 1.0 2 9 0.9 6.5
Brake lever mounting bolt M6 × 1.0 1 6 0.6 4.3
Brake lever mounting nut M6 × 1.0 1 6 0.6 4.3
Brake lever position locknut M6 × 1.0 1 5 0.5 3.6
Front brake hose guide and front brake hose
guide bracketM5 × 0.8 1 4 0.4 2.9
Front brake hose guide and lower bracket M6 × 1.0 1 4 0.4 2.9
Clutch lever holder M5 × 0.8 2 4 0.4 2.9
Clutch lever mounting nut M6 × 1.0 1 4 0.4 2.9
Hot starter lever holder M5 × 0.8 2 4 0.4 2.9
Hot starter lever mounting nut M5 × 0.8 1 2 0.2 1.4
Front brake master cylinder cap M4 × 0.7 2 2 0.2 1.4
Front brake hose union bolt M10 × 1.25 2 30 3.0 22
Front brake caliper M8 × 1.25 2 23 2.3 17
Front brake caliper and brake hose holder M6 × 1.0 1 10 1.0 7.2
Pad pin plug M10 × 1.0 2 3 0.3 2.2
Front brake caliper and pad pin M10 × 1.0 1 18 1.8 13
Rear brake caliper and pad pin M10 × 1.0 1 18 1.8 13
Brake caliper and bleed screw M8 × 1.25 2 6 0.6 4.3
Front wheel axle and axle nut M16 × 1.5 1 90 9.0 65
Front wheel axle holder M8 × 1.25 4 21 2.1 15
Front brake disc M6 × 1.0 6 12 1.2 8.7
Rear brake disc M6 × 1.0 6 14 1.4 10
Brake pedal M8 × 1.25 1 26 2.6 19
Rear brake master cylinder M6 × 1.0 2 10 1.0 7.2
Rear brake master cylinder cap M4 × 0.7 2 2 0.2 1.4
Rear brake hose union bolt M10 × 1.25 2 30 3.0 22
Rear wheel axle and axle nut M20 × 1.5 1 125 12.5 90

MAINTENANCE SPECIFICATIONS
2 - 15
SPEC
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Nipple (spoke)—72 3 0.3 2.2
Rear wheel sprocket M8 × 1.25 6 50 5.0 36
Rear brake disc cover M6 × 1.0 2 10 1.0 7.2
Rear brake caliper protector M6 × 1.0 2 7 0.7 5.1
Drive chain puller adjust bolt and locknut M8 × 1.25 2 19 1.9 13
Engine mounting:
Engine and engine bracket (front) M10 × 1.25 1 53 5.3 38
Engine and frame (lower) M10 × 1.25 1 53 5.3 38
Upper engine bracket and frame M8 × 1.25 4 34 3.4 24
Lower engine bracket and frame M8 × 1.25 4 34 3.4 24
Engine and engine bracket (upper) M10 × 1.25 1 55 5.5 40
Engine guard M6 × 1.0 3 7 0.7 5.1
Regulator M6 × 1.0 2 7 0.7 5.1
Pivot shaft and nut M16 × 1.5 1 85 8.5 61
Relay arm and swingarm M14 × 1.5 1 70 7.0 50
Relay arm and connecting rod M14 × 1.5 1 80 8.0 58
Connecting rod and frame M14 × 1.5 1 80 8.0 58
Rear shock absorber and frame M10 × 1.25 1 56 5.6 40
Rear shock absorber and relay arm M10 × 1.25 1 53 5.3 38
Rear frame (upper) M8 × 1.25 1 38 3.8 27
Rear frame (lower) M8 × 1.25 2 32 3.2 23
Swingarm and brake hose holder M5 × 0.8 4 2 0.2 1.4
Swingarm and patch M4 × 0.7 4 2 0.2 1.4
Upper drive chain tensioner M8 × 1.25 1 16 1.6 11
Lower drive chain tensioner M8 × 1.25 1 16 1.6 11
Drive chain support M6 × 1.0 3 7 0.7 5.1
Seal guard and swingarm M5 × 0.8 4 6 0.6 4.3
Fuel tank M6 × 1.0 2 9 0.9 6.5
Fuel cock M6 × 1.0 2 4 0.4 2.9
Seat set bracket and fuel tank M6 × 1.0 1 7 0.7 5.1
Fuel tank bracket and fuel tank M6 × 1.0 4 7 0.7 5.1
Air scoop and fuel tank M6 × 1.0 6 7 0.7 5.1
Air scoop and radiator guard (lower) M6 × 1.0 2 6 0.6 4.3
Front fender M6 × 1.0 4 7 0.7 5.1
Rear fender (front) M6 × 1.0 2 7 0.7 5.1
Rear fender (rear) M6 × 1.0 2 11 1.1 8.0
Side cover M6 × 1.0 2 7 0.7 5.1
Seat M8 × 1.25 2 23 2.3 17
Multi-function display bracket and upper
bracketM6 × 1.0 2 7 0.7 5.1
Multi-function display M5 × 0.8 2 4 0.4 2.9
Plate 1 and front fork protector M5 × 0.8 2 4 0.4 2.9
Plate 2 and front fork protector—2 0.5 0.05 0.36

6 - 85
CHASFRONT FORK
23. Install:
Push rod
1
Fork spring
2
NOTE:Install the fork spring with the
damper rod
3 pulled up.
After installing the fork spring, hold
the damper rod end so that it will
not go down.
24. Install:
Spring seat
1
Front fork cap bolt
2
NOTE:Fully finger tighten the front fork cap
bolt onto the damper rod.
25. Tighten:
Front fork cap bolt (locknut)
1
NOTE:Hold the locknut
2 and tighten the
front fork cap bolt with specified
torque.
T R..29 Nm (2.9 m · kg, 21 ft · lb)
26. Install:
Front fork cap bolt
1
To outer tube.
NOTE:Temporarily tighten the cap bolt.
27. Install:
Protector guide
1
NOTE:Install the protector guide with its
wider side
a facing downward.
23. Monter:
Tige de débrayage 1
Ressort de fourche 2
N.B.:
Poser le ressort de fourche avec la tige
d’amortissement 3 sortie.
Après avoir monté le ressort de four-
che, maintenir l’extrémité de la tige
d’amortissement de manière qu’elle ne
descende pas.
24. Monter:
Siège de ressort 1
Bouchon de tube de fourche 2
N.B.:
Serrer à fond, manuellement, le bouchon
de tube de fourche sur la tige d’amortis-
sement.
25. Serrer:
Bouchon de tube de fourche (con-
tre-écrou) 1
N.B.:
Maintenir le contre-écrou 2 et serrer le
bouchon de tube de fourche au couple
spécifié.
T R..29 Nm (2,9 m · kg, 21 ft · lb)
26. Monter:
Bouchon de tube de fourche 1
Sur le fourreau.
N.B.:
Serrer provisoirement le boulon capu-
chon.
27. Monter:
Guide de protection 1
N.B.:
Monter le guide du dispositif de protec-
tion en orientant son côté le plus large a
vers le bas.
FOURCHE

6 - 87
CHASFRONT FORK
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..21 Nm (2.1 m · kg, 15 ft · lb)
T R..21 Nm (2.1 m · kg, 15 ft · lb)
5. Install:
Speed sensor lead
1
Plate 1
2
Bolt (plate 1)
3
To right protector
4.
NOTE:Install the speed sensor lead so that
its paint
a directs as shown and
align the bottom
b of the plate 1 with
the same paint.
T R..4 Nm (0.4 m · kg, 2.9 ft · lb)ab
4 31
2
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..21 Nm (2,1 m · kg, 15 ft · lb)
T R..21 Nm (2,1 m · kg, 15 ft · lb)
5. Monter:
Fil du capteur de vitesse 1
Plaque 1 2
Boulon (plaque 1) 3
Vers le dispositif de protection
(droite) 4.
N.B.:
Monter le fil du capteur de vitesse de
sorte que le repère a soit orienté comme
illustré et aligner le bas b de la plaque 1
sur cette même marque.
T R..4 Nm (0,4 m · kg, 2,9 ft · lb)
FOURCHE

6 - 119
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..21 Nm (2.1 m · kg, 15 ft · lb)
T R..21 Nm (2.1 m · kg, 15 ft · lb)
13. Install:
•Multi-function display bracket
1
•Multi-function display
2
NOTE:Pass the throttle cables
3, clutch
cable
4 and hot starter cable
5
between the multi-function display
bracket and upper bracket.
T R..7 Nm (0.7 m · kg, 5.1 ft · lb)
T R..4 Nm (0.4 m · kg, 2.9 ft · lb)
14. Install:
•Holder
1
•Clamp
2
NOTE:•Install so that the marking
a on
the speed sensor lead aligns with
the holder edge.
•Fasten the speed sensor lead to
the holder with the clamp.
T R..13 Nm (1.3 m · kg, 9.4 ft · lb)
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..21 Nm (2,1 m · kg, 15 ft · lb)
T R..21 Nm (2,1 m · kg, 15 ft · lb)
13. Monter:
Support de l’écran multifonction
1
Ecran multifonction 2
N.B.:
Passer les câbles des gaz 3, le câble
d’embrayage 4 et le câble du démarreur
à chaud 5 entre le support de l’écran
multifonction et le té supérieur.
T R..7 Nm (0,7 m · kg, 5,1 ft · lb)
T R..4 Nm (0,4 m · kg, 2,9 ft · lb)
14. Monter:
Support 1
Collier 2
N.B.:
Le monter de sorte que la marque a
sur le fil du capteur de vitesse soit ali-
gnée sur le bord du support.
Fixer le fil du capteur de vitesse sur le
support à l’aide du collier.
T R..13 Nm (1,3 m · kg, 9,4 ft · lb)
T R..7 Nm (0,7 m · kg, 5,1 ft · lb)
DIRECTION