2015 YAMAHA WR 250F Owners Manual

Page 73 of 430

YAMAHA WR 250F 2015  Owners Manual TIGHTENING TORQUES
2-18
Front brake disc bolt M6 6 12 Nm (1.2 m·kgf, 8.7 ft·lbf)
Rear brake disc bolt M6 6 14 Nm (1.4 m·kgf, 10 ft·lbf)
Footrest bracket bolt M10 4 55 Nm (5.5 m·kgf, 40 ft·lbf)
S

Page 74 of 430

YAMAHA WR 250F 2015  Owners Manual TIGHTENING TORQUES
2-19
Drive chain tensioner bolt (lower 
side)M8 1 16 Nm (1.6 m·kgf, 12 ft·lbf)
Drive chain support bolt M6 1 7 Nm (0.7 m·kgf, 5.1 ft·lbf)
Drive chain support nut M6 2 7 Nm (0.7

Page 75 of 430

YAMAHA WR 250F 2015  Owners Manual TIGHTENING TORQUES
2-20
TIP
Lower ring nut
1. First, tighten the lower ring nut approximately 38 Nm (3.8 m·kgf, 27 ft·lbf) by using the steering nut 
wrench, then loosen the lower ring nut one turn.

Page 76 of 430

YAMAHA WR 250F 2015  Owners Manual LUBRICATION POINTS AND LUBRICANT TYPES
2-21
EAS2GB2070
LUBRICATION POINTS AND LUBRICANT TYPES
EAS2GB2071ENGINE
Lubrication point Lubricant types
Oil seal lips
Bearing
O-ring
Cylinder head bolt threads

Page 77 of 430

YAMAHA WR 250F 2015  Owners Manual LUBRICATION POINTS AND LUBRICANT TYPES
2-22
EAS2GB2072CHASSISStarter idle gear inner surface, thrust surfaces
Starter clutch drive gear inner surface, thrust surfaces
Cylinder head cover gasketThree b

Page 78 of 430

YAMAHA WR 250F 2015  Owners Manual LUBRICATION POINTS AND LUBRICANT TYPES
2-23
Tube guide (throttle grip) inner surface and throttle cable end
Front brake caliper piston
Front brake caliper piston seal
Front brake caliper dust seal
Fro

Page 79 of 430

YAMAHA WR 250F 2015  Owners Manual LUBRICATION POINTS AND LUBRICANT TYPES
2-24
EAS2GB2073

Page 80 of 430

YAMAHA WR 250F 2015  Owners Manual LUBRICATION SYSTEM CHART AND DIAGRAMS
2-25
LUBRICATION SYSTEM CHART AND DIAGRAMS
EAS2GB2074LUBRICATION DIAGRAMS