2009 YAMAHA WR 250F service

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YAMAHA WR 250F 2009  Owners Manual WR250F(Y)WR250F(Y)
20092009
5UM-28199-56-E05UM-28199-56-E0
OWNER’S SERVICE MANUALOWNER’S SERVICE MANUAL
Read this manual carefully before operating this vehicle.Read this manual carefully before o

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YAMAHA WR 250F 2009  Owners Manual WR250F (Y)
OWNERS SERVICE MANUAL
©2008 by Yamaha Motor Co., Ltd. 1st Edition, July 2008
All rights reserved. Any reprinting or
unauthorized use without the written 
permission of Yamaha Motor Co., L

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YAMAHA WR 250F 2009  Owners Manual HOW TO READ DESCRIPTIONS
To help identify parts and clarify pro-
cedure steps, there are exploded dia-
grams at the start of each removal 
and disassembly section.
1. An easy-to-see exploded diagram "

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YAMAHA WR 250F 2009  Owners Manual 2-1
GENERAL SPECIFICATIONS
SPECIFICATIONS
GENERAL SPECIFICATIONS
Model name:WR250FY (USA, CDN, AUS, NZ)
WR250F (EUROPE, ZA)
Model code number: 5UMN (USA)
5UMP (CDN)
5UMR (EUROPE)
5UMS (AUS, NZ, ZA)
Di

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YAMAHA WR 250F 2009  Owners 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 b

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YAMAHA WR 250F 2009  Owners Manual 3-14
ENGINE
4. Clean:• Air filter elementClean them with solvent.
After cleaning, remove the remaining 
solvent by squeezing the element.
• Do not twist the element when squeezing the element.
•

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YAMAHA WR 250F 2009  Owners Manual 3-16
ENGINE
CHECKING THE OIL PRESSURE
1. Check:•Oil pressure
Checking steps:
a. Slightly loosen the oil pressure  check bolt "1".
b. Start the engine and keep it idling  until oil starts to seep fro

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YAMAHA WR 250F 2009  Owners Manual 5-1
RADIATOR
ENGINE
This section is intended for those who have basic knowledge and skill concerning the servicing of Yamaha motorcycles 
(e.g., Yamaha dealers, service engineers, etc.)  Those who hav
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