engine oil YAMAHA WR 250F 2003 Manuale duso (in Italian)

YAMAHA WR 250F 2003 Manuale duso (in Italian) WR 250F 2003 YAMAHA YAMAHA https://www.carmanualsonline.info/img/51/52337/w960_52337-0.png YAMAHA WR 250F 2003 Manuale duso (in Italian)

Page 8 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 6. GASOLINE CAN CAUSE
INJURY.
If you should swallow some
gasoline, inhale excess
gasoline vapors, or allow
any gasoline to get into
your eyes, contact a doctor
immediately. If any gaso-
line spills on

Page 16 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 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 22 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) CHAPTER 4
ENGINE
SEAT, FUEL TANK AND SIDE 
COVERS...................................... 4-1
EXHAUST PIPE AND 
SILENCER................................... 4-7
RADIATOR................................ 4

Page 26 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 1 - 1
GEN
INFODESCRIPTION
EC100000
GENERAL INFORMATION
EC110000
DESCRIPTION
1Clutch lever
2Hot starter lever
3Engine stop switch
4Trip meter
5Main switch
6Light switch
7Start switch
8Front brake lever

Page 32 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 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 37 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 1 - 12
GEN
INFO
SPECIAL TOOLS
YU-3112-C, 90890-03112 Pocket tester
Use this tool to inspect the coil resistance, output 
voltage and amperage.
YU-8036-B
90890-03113Inductive tachometer
Engine tachomet

Page 62 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 1 - 37
GEN
INFO
STARTING AND 
BREAK-IN
WARNING
Never start or run the engine in a
closed area. The exhaust fumes
are poisonous; they can cause
loss of consciousness and death
in a very short time. Alw

Page 70 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 1 - 45
GEN
INFO
TORQUE-CHECK POINTS
Frame construction Frame to rear frame
Combined seat and fuel tank Fuel tank to frame
Exhaust system Silencer to rear frame
Engine mounting Frame to engine
Engine b

Page 78 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) 1 - 53
GEN
INFO
EC1B2001STORAGE
If your machine is to be stored for 60
days or more, some preventive mea-
sures must be taken to avoid deterio-
ration. After cleaning the machine
thoroughly, prepare i

Page 80 of 860

YAMAHA WR 250F 2003  Manuale duso (in Italian) GENERAL SPECIFICATIONS
2 - 1
SPEC
EC200000
SPECIFICATIONS
EC211000
GENERAL SPECIFICATIONS
Model name: WR250FR (USA)
WR250F (EUROPE)
WR250F(R) (CDN, AUS, NZ, ZA)
Model code number: 5UM1 (USA)
5UM2 (EUR
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