2005 YAMAHA WR 250F engine

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Page 64 of 864

YAMAHA WR 250F 2005  Owners Manual 1 - 39
GEN
INFO
1. Inspect the coolant level.
2. Turn the fuel cock to “ON”.
3. Push on the main switch to “ON”.
4. Shift the transmission into neu-
tral.
5. Fully open the cold starter knob
1

Page 66 of 864

YAMAHA WR 250F 2005  Owners Manual 1 - 41
GEN
INFO
STARTING A WARM ENGINE
Do not operate the cold starter knob
and throttle. Pull the hot starter lever
1 and start the engine by pushing
the start switch or by kicking the kick-
starter

Page 68 of 864

YAMAHA WR 250F 2005  Owners Manual 1 - 43
GEN
INFO
BREAK-IN PROCEDURES
1. Before starting the engine, fill the
fuel tank with the fuel.
2. Perform the pre-operation
checks on the machine.
3. Start and warm up the engine.
Check the idle

Page 70 of 864

YAMAHA WR 250F 2005  Owners Manual 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 76 of 864

YAMAHA WR 250F 2005  Owners Manual 1 - 51
GEN
INFO
EC1B0000
CLEANING AND 
STORAGE
EC1B1000CLEANING
Frequent cleaning of your machine
will enhance its appearance, main-
tain good overall performance, and
extend the life of many componen

Page 78 of 864

YAMAHA WR 250F 2005  Owners Manual 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 864

YAMAHA WR 250F 2005  Owners Manual GENERAL SPECIFICATIONS
2 - 1
SPEC
EC200000
SPECIFICATIONS
EC211000
GENERAL SPECIFICATIONS
Model name: WR250FT (USA, CDN, AUS, NZ)
WR250F (EUROPE, ZA)
Model code number: 5UM8 (USA)
5UM9 (EUROPE)
5UMA (

Page 81 of 864

YAMAHA WR 250F 2005  Owners Manual GENERAL SPECIFICATIONS
2 - 2
SPEC
Oil capacity:
Engine oil
Periodic oil change 1.2 L (1.06 Imp qt, 1.27 US qt)
With oil filter replacement 1.3 L (1.14 Imp qt, 1.37 US qt)
Total amount 1.4 L (1.23 Imp
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