2016 YAMAHA YZ250F steering

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Page 28 of 356

YAMAHA YZ250F 2016  Owners Manual SPECIAL TOOLS
1-14
Radiator cap tester
90890-01325
Mityvac cooling system tester 
kit
YU-24460-AThis tool is used to check the 
radiator and the radiator cap.
Radiator cap tester adapter
90890-01352
P

Page 37 of 356

YAMAHA YZ250F 2016  Owners Manual TORQUE-CHECK POINTS
1-23
EAS1SM9046
TORQUE-CHECK POINTS
Frame construction Frame to rear frame
Frame to engine protector
Combined seat and fuel tank Fuel tank to frame
Engine mounting Frame to engine

Page 49 of 356

YAMAHA YZ250F 2016  Owners Manual CHASSIS SPECIFICATIONS
2-8
Brake pad lining thickness (outer) 4.4 mm (0.17 in)
Limit 1.0 mm (0.04 in)
Master cylinder inside diameter 9.52 mm (0.37 in)
Caliper cylinder inside diameter 22.65 mm  2

Page 56 of 356

YAMAHA YZ250F 2016  Owners Manual TIGHTENING TORQUES
2-15
EAS1SM9056CHASSIS TIGHTENING TORQUES
TIP
- marked portion shall be checked for torque tightening after break-in or before each race.
ITEMThread 
sizeQ’ty TIGHTENING TORQUES R

Page 58 of 356

YAMAHA YZ250F 2016  Owners Manual TIGHTENING TORQUES
2-17
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 61 of 356

YAMAHA YZ250F 2016  Owners Manual LUBRICATION POINTS AND LUBRICANT TYPES
2-20
EAS1SM9059CHASSIS
Lubrication point Lubricant types
Upper bearings (steering head)
Upper bearings and bearing race cover (steering head)
Lower bearings and

Page 84 of 356

YAMAHA YZ250F 2016  Owners Manual CHECKING THE WHEEL BEARINGS ..................................................... 3-34
CHECKING AND ADJUSTING THE STEERING HEAD .......................... 3-34
LUBRICATING THE LEVERS .................

Page 89 of 356

YAMAHA YZ250F 2016  Owners Manual MAINTENANCE INTERVALS
3-5
Replace brake flu-
idEvery one year
SWINGARM
Inspect, lube and 
retightenMolybdenum disulfide grease
RELAY ARM, CON-
NECTING ROD
Inspect, lube and 
retightenMolybdenum disulf
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