Yamaha Wr250r 2008 Manual

 
TIGHTENING TORQUES 
2-16 
Timing chain guide bolt M6 4 10 Nm (1.0 m•kg, 7.2 ft•lb)
Plate (impeller shaft side) M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Oil filter element cover bolt M6 3 10 Nm (1.0 m•kg, 7.2 ft•lb)
Oil pump bolt M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Oil pump cover bolt 
– 
1 2 Nm (0.2 m•kg, 1.4 ft•lb)
Oil strainer housing bolt M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Delivery pipe bolt M6 1 10 Nm (1.0 m•kg, 7.2 ft•lb)
Throttle body joint clamp screw M5 2 3 Nm (0.3 m•kg, 2.2 ft•lb)
Air filter clamp screw M4 1...

 
TIGHTENING TORQUES 
2-17 
EAS20350 
CHASSIS TIGHTENING TORQUES 
Drive sprocket nut M18 1 95 Nm (9.5 m•kg, 69 ft•lb)Stake the 
nut
Stopper screw (stopper lever) M8 1 22 Nm (2.2 m•kg, 16 ft•lb)
Shift pedal bolt M8 1 18 Nm (1.8 m•kg, 13 ft•lb)
Stator assembly bolt M6 3 10 Nm (1.0 m•kg, 7.2 ft•lb)
Crankshaft position sensor bolt M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Neutral switch M5 2 4 Nm (0.4 m•kg, 2.9 ft•lb)
Thermosensor bolt M12 1 18 Nm (1.8 m•kg, 13 ft•lb)
Drive sprocket cover bolt M6 3 10 Nm (1.0 m•kg,...

 
TIGHTENING TORQUES 
2-18 
Taillight cover bolt M6 4 10 Nm (1.0 m•kg, 7.2 ft•lb)
Helmet hanger screw M6 1 10 Nm (1.0 m•kg, 7.2 ft•lb)
Front fender bolt M6 4 7 Nm (0.7 m•kg, 5.1 ft•lb)
Sidecover screw M6 2 10 Nm (1.0 m•kg, 7.2 ft•lb)
Sidecover stay bolt M6 1 10 Nm (1.0 m•kg, 7.2 ft•lb)
Horn bolt M6 1 10 Nm (1.0 m•kg, 7.2 ft•lb)
Air scoop stay bolt M8 2 16 Nm (1.6 m•kg, 12 ft•lb)
Air scoop bolt M6 4 7 Nm (0.7 m•kg, 5.1 ft•lb)
Air scoop and right air panel M6 2 4 Nm (0.4 m•kg, 2.9 ft•lb)
Rectifier/regulator...

 
TIGHTENING TORQUES 
2-19 
Front fork base valve M22 2 55 Nm (5.5 m•kg, 40 ft•lb)
Front fork axle nut M16 1 63 Nm (6.3 m•kg, 46 ft•lb)
Front wheel axle pinch bolt M8 4 23 Nm (2.3 m•kg, 17 ft•lb)
Front brake disc bolt (WR250R) M6 6 12 Nm (1.2 m•kg, 8.7 ft•lb)
Front brake disc bolt (WR250X) M8 6 23 Nm (2.3 m•kg, 17 ft•lb)
Spoke (front, rear) BC4 72 3 Nm (0.3 m•kg, 2.2 ft•lb)
Rear wheel axle nut M20 1 125 Nm (12.5 m•kg, 90 ft•lb)
Rear brake disc bolt M6 6 12 Nm (1.2 m•kg, 8.7 ft•lb)
Rear wheel sprocket nut...

 
TIGHTENING TORQUES 
2-20
NOTE:
 
 
Tighten the lower ring nut with the 38 Nm (3.8 m•kg, 27 ft•lb) torque. 
 
Turn the front fork to the left and right. The rotation motion must be smooth. 
 
Fully loosen the lower ring nut, and retighten it with the 7 Nm (0.7 m•kg, 5.1 ft•lb) torque. 
Headlight unit bolt M6 2 7 Nm (0.7 m•kg, 5.1 ft•lb)
Rear brake hose holder screw M5 5 2 Nm (0.2 m•kg, 1.4 ft•lb)
Front drive chain guide bolt M6 1 7 Nm (0.7 m•kg, 5.1 ft•lb)
Delivery pipe screw M6 2 5 Nm (0.5 m•kg, 3.6...

 
LUBRICATION POINTS AND LUBRICANT TYPES 
2-21 
EAS20360 
LUBRICATION POINTS AND LUBRICANT TYPES 
EAS20370 
ENGINE 
Lubrication points Lubrication types 
Oil seal lips
O-rings
Bearings
Camshaft cap bolt head
Cylinder head bolt threads
Camshaft profile, journal
Decompression system moving parts
Valve stem, stem end
Valve lifter surface
Crank assembly (crankshaft pin surface)
Both sliding surfaces of connecting rod big end
Piston pin surface
Piston surface
Cylinder body inner surface
Impeller shaft
Oil pump...

 
LUBRICATION POINTS AND LUBRICANT TYPES 
2-22 
EAS20380 
CHASSIS 
Push rod 1 surface, end
Ball (push rod)
Primary driven gear assembly, inner surface
Push lever assembly end
Transmission gears (wheel and pinion)
Main axle and drive axle
Shift drum
Shift fork and shift fork guide bars
Shift shaft
Shift shaft washer, spacer inner surface
Cylinder head cover gasketYamaha bond No. 1215 
(Three Bond No. 
1215®)
Cylinder head semicircular surfaceYamaha bond No. 1215 
(Three Bond No. 
1215®)
Crankcase mating...

 
LUBRICATION POINTS AND LUBRICANT TYPES 
2-23 
Brake lever bolt
Brake lever and front brake master cylinder
Adjusting screw (brake lever)
Rear brake master cylinder push rod (boot mount groove)
Brake caliper piston seal
Brake caliper dust seal
Brake caliper support bolt
Brake pad support bolt
Clutch lever cable
Clutch lever bolt
Clutch lever
Pivot shaft
Swing arm bearing, collar, spacer, and oil seal
Relay arm bearing, collar, and oil seal
Connecting rod bearing, collar and oil seal
Connecting rod bolt...

 
LUBRICATION POINTS AND LUBRICANT TYPES 
2-24 

 
LUBRICATION SYSTEM CHART AND DIAGRAMS 
2-25 
EAS20390 
LUBRICATION SYSTEM CHART AND DIAGRAMS 
EAS20410 
LUBRICATION DIAGRAMS