wheel YAMAHA WR 250F 2011 User Guide

YAMAHA WR 250F 2011 User Guide WR 250F 2011 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52313/w960_52313-0.png YAMAHA WR 250F 2011 User Guide

Page 46 of 232

YAMAHA WR 250F 2011 User Guide 2-15
TIGHTENING TORQUES
△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 bo

Page 61 of 232

YAMAHA WR 250F 2011 User Guide 3-2
GENERAL MAINTENANCE AND LUBRICATION CHART (For
Canada)
GENERAL MAINTENANCE AND LUBRICATION CHART (For Canada)
No. ITEM CHECKS AND MAINTENANCE JOBSINITIALODOMETER 
READINGS600 mi 
(1,000 
km) or 1

Page 65 of 232

YAMAHA WR 250F 2011 User Guide 3-6
MAINTENANCE INTERVALS FOR COMPETITION USE
FRONT FORKS
Inspect and adjust●●
Replace oil●●Suspension oil "S1"
Replace oil seal●
FRONT FORK OIL SEAL AND 
DUST SEAL
Clean and lube●●Lithi

Page 66 of 232

YAMAHA WR 250F 2011 User Guide 3-7
PRE-OPERATION INSPECTION AND MAINTENANCE
PRE-OPERATION INSPECTION AND MAINTENANCE
Before riding for break-in operation or practice, make sure the machine is in good operating condition.
Before usi

Page 80 of 232

YAMAHA WR 250F 2011 User Guide 3-21
CHASSIS
e. Connect the transparent hose "5" 
to the bleed screw "6" and place 
the suitable container under its 
end.
f. Loosen the bleed screw and push 
the brake caliper piston in.
Do not reuse

Page 81 of 232

YAMAHA WR 250F 2011 User Guide 3-22
CHASSIS
i. Install the brake caliper "12" and 
rear wheel "13".
Refer to "FRONT WHEEL AND 
REAR WHEEL" section in the 
CHAPTER 6.
j. Tighten the pad pin "14".
k. Install the pad pin plug "15" and

Page 82 of 232

YAMAHA WR 250F 2011 User Guide 3-23
CHASSIS
4. Inspect:
• O-ring "1" (drive chain)
Damage→Replace the drive 
chain.
•Roller "2"
• Side plate "3"
Damage/wear→Replace the 
drive chain.
5. Check:
• Drive chain stiffness "a

Page 83 of 232

YAMAHA WR 250F 2011 User Guide 3-24
CHASSIS
CLEANING THE FRONT FORK OIL 
SEAL AND DUST SEAL
1. Remove:
•Protector
• Dust seal "1"
Use a thin screw driver, and be care-
ful not to damage the inner fork tube 
and dust seal.
2. Cl

Page 84 of 232

YAMAHA WR 250F 2011 User Guide 3-25
CHASSIS
ADJUSTING THE REAR SHOCK 
ABSORBER SPRING PRELOAD
1. Elevate the rear wheel by placing 
the suitable stand under the en-
gine.
2. Remove:
• Rear frame
3. Measure:
• Spring fitting len

Page 85 of 232

YAMAHA WR 250F 2011 User Guide 3-26
CHASSIS
• STANDARD POSITION:
This is the position which is back 
by the specific number of clicks 
from the fully turned-in position. 
(Which align the punch mark "a" 
on the adjuster with the
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