weight YAMAHA WR 250F 2006 Owners Manual

YAMAHA WR 250F 2006 Owners Manual WR 250F 2006 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52334/w960_52334-0.png YAMAHA WR 250F 2006 Owners Manual

Page 10 of 900

YAMAHA WR 250F 2006  Owners Manual EC050000
TO THE NEW OWNER
This manual will provide you with a
good basic understanding of fea-
tures, operation, and basic mainte-
nance and inspection items of this
machine. Please read this manual
c

Page 16 of 900

YAMAHA WR 250F 2006  Owners Manual ILLUSTRATED SYMBOLS 
(Refer to the illustration)
Illustrated symbols 1 to 7 are
designed as thumb tabs to indicate
the chapter’s number and content.
1General information
2Specifications
3Regular ins

Page 32 of 900

YAMAHA WR 250F 2006  Owners Manual 1 - 7
GEN
INFOIMPORTANT INFORMATION
EC133000GASKETS, OIL SEALS AND O-
RINGS
1. All gaskets, oil seals, and O-
rings should be replaced when
an engine is overhauled. All gas-
ket surfaces, oil seal lip

Page 94 of 900

YAMAHA WR 250F 2006  Owners Manual GENERAL SPECIFICATIONS
2 - 1
SPEC
EC200000
SPECIFICATIONS
EC211000
GENERAL SPECIFICATIONS
Model name: WR250FV (USA, CDN, AUS, NZ)
WR250F (EUROPE, ZA)
Model code number: 5UMB (USA)
5UMC (EUROPE)
5UMD (

Page 103 of 900

YAMAHA WR 250F 2006  Owners Manual MAINTENANCE SPECIFICATIONS
2 - 10
SPEC
Part to be tightened Thread size Q’tyTightening torque
Nm m·kg ft·lb
Spark plug M10S × 1.0 1 13 1.3 9.4
Camshaft cap M6 × 1.0 10 10 1.0 7.2
Cylinder head b

Page 112 of 900

YAMAHA WR 250F 2006  Owners Manual 2 - 19
GENERAL TORQUE SPECIFICATIONS/
DEFINITION OF UNITS
SPEC
EC220001
GENERAL TORQUE SPECIFICATIONS
This chart specifies torque for standard fasten-
ers with standard I.S.O. pitch threads. Torque
sp

Page 312 of 900

YAMAHA WR 250F 2006  Owners Manual 3 - 105
INSP
ADJ
LUBRIFICATION
Pour assurer le bon fonctionnement de
tous les organes, lubrifier la moto avant
la première utilisation, après le rodage,
ainsi qu’après chaque course.
1
Tous les c

Page 376 of 900

YAMAHA WR 250F 2006  Owners Manual 4 - 35
ENGCARBURETOR
EC464301Throttle valve
1. Check:
Free movement
Stick 
→ Repair or replace.
NOTE:Insert the throttle valve 
1 into the
carburetor body, and check for free
movement.
EC464401Jet

Page 502 of 900

YAMAHA WR 250F 2006  Owners Manual 4 - 161
ENGBALANCER
REMOVAL POINTS
Balancer shaft drive gear and 
balancer shaft driven gear
1. Straighten the lock washer tab.
2. Loosen:
Nut (primary drive gear) 
1 
Nut 
(balancer shaft driven ge

Page 504 of 900

YAMAHA WR 250F 2006  Owners Manual 4 - 163
ENGBALANCER
ASSEMBLY AND INSTALLATION
Balancer shaft, balancer shaft 
drive gear and balancer shaft 
driven gear
1. Install:
Balancer shaft 
1 
NOTE:Apply the engine oil on the bear-
ing.
W
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