YAMAHA WR 250F 2010 Repair Manual

YAMAHA WR 250F 2010 Repair Manual WR 250F 2010 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52318/w960_52318-0.png YAMAHA WR 250F 2010 Repair Manual
Trending: maintenance schedule, battery capacity, engine oil, spare wheel, buttons, oil change, wiring

Page 61 of 232

YAMAHA WR 250F 2010 Repair Manual 3-2
GENERAL MAINTENANCE AND LUBRICATION CHART (ForCanada)
GENERAL MAINTENANCE AND LUBRICATION CHART (For Canada)
No.ITEM CHECKS AND MAINTENANCE JOBS INITIAL
ODOMETER 
READINGS600 mi (1,000 
km) or 1

Page 62 of 232

YAMAHA WR 250F 2010 Repair Manual 3-3
MAINTENANCE INTERVALS FOR COMPETITION USE
• The air filter needs more frequent service if you are riding in unusually wet or dusty areas.
• Hydraulic brake service • After disassembling the

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YAMAHA WR 250F 2010 Repair Manual 3-4
MAINTENANCE INTERVALS FOR COMPETITION USE
VALVE LIFTERSInspect ●Check for scratches and wear.
Replace ●
CAMSHAFTS Inspect the camshaft surface.
Inspect ●Inspect the decompression system.
Rep

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YAMAHA WR 250F 2010 Repair Manual 3-5
MAINTENANCE INTERVALS FOR COMPETITION USE
CRANKInspect and clean ●●
CARBURETOR Inspect, adjust and clean ●●
AIR INDUCTION SYSTEM Inspect and clean ●● ●●
SPARK PLUG Inspect and clea

Page 65 of 232

YAMAHA WR 250F 2010 Repair Manual 3-6
MAINTENANCE INTERVALS FOR COMPETITION USE
FRONT FORKSInspect and adjust ●●
Replace oil ●● Suspension oil "S1"
Replace oil seal ●
FRONT FORK OIL SEAL AND 
DUST SEAL Clean and lube ●●

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YAMAHA WR 250F 2010 Repair Manual 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 67 of 232

YAMAHA WR 250F 2010 Repair Manual 3-8
ENGINE
ENGINE
REMOVING THE SEAT, FUEL TANK AND SIDE COVERS
Order Part name Qty Remarks Turn the fuel cock to "OFF".
Disconnect the fuel hose.
1Seat 1
2 Air scoop (left and right) 2
3 Bolt (fuel t

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YAMAHA WR 250F 2010 Repair Manual 3-9
ENGINE
REMOVING THE SIDE COVER
1. Remove:• Bolt (side cover)
• Right side cover "1"
Draw the side cover backward to re-
move it because its  claw "a" is insert-
ed in the air filter case.

Page 69 of 232

YAMAHA WR 250F 2010 Repair Manual 3-10
ENGINE
REMOVING THE EXHAUST PIPE AND SILENCEROrder Part name Qty Remarks Right side cover Refer to "REMOVING THE SEAT, FUEL 
TANK AND SIDE COVERS" section.
1 Bolt (silencer clamp) 1 Only looseni

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YAMAHA WR 250F 2010 Repair Manual 3-11
ENGINE
CHECKING THE SILENCER AND 
EXHAUST PIPE
1. Inspect:• Gasket "1"
Damage →Replace.
INSTALLING THE SILENCER AND 
EXHAUST PIPE
1. Install: • Gasket 
• Exhaust pipe "1"
• Nut (exhaust
Trending: bolt pattern, battery capacity, height, change time, coolant level, battery replacement, fuse diagram