2009 YAMAHA YFM250R weight

8-30
1
2
3
4
5
6
78
9
10
11

1. Loosen the locknut at the clutch lever.
2. To increase the clutch lever free play, turn the
adjusting bolt in direction (a), and to decrease
it, turn the bolt in direction (b).
3. Tighten the locknut.
TIP

If the specified free play cannot be obtained as de-
scribed above or if the clutch does not operate cor-
rectly, have a Yamaha dealer check the internal
clutch mechanism.
EBU26863
Drive chain slack
The drive chain slack should be checked before
each ride and adjusted if necessary.
To check the drive chain slack
1. Place the ATV on a level surface.
TIP

When checking and adjusting the drive chain
slack, there should be no weight on the ATV and
all tires must be touching the ground.
2. Move the ATV back and forth to locate the
tightest portion of the drive chain, and then
measure the drive chain slack as shown.
1. Clutch lever free play
2. Clutch lever free play adjusting bolt
3. Locknut
1
2
(a) (b) 3

Drive chain slack:
45.0–55.0 mm (1.77–2.17 in)

10-1
1
2
3
4
5
6
7
8
910
11

EBU25960
SPECIFICATIONS
EBU2597B
Dimensions:
Overall length:
1625 mm (64.0 in)
Overall width:
1070 mm (42.1 in)
Overall height:
1040 mm (40.9 in)
Seat height:
730 mm (28.7 in)
Wheelbase:
1110 mm (43.7 in)
Ground clearance:
100 mm (3.9 in)
Minimum turning radius:
2900 mm (114 in)
Weight:
With oil and fuel:
150.0 kg (331 lb)
Noise and vibration level:
Noise level (77/311/EEC):
81.0 dB(A) (EUR)
Vibration on seat (EN1032, ISO5008):
Will not exceed 0.5 m/s
2

(EUR)
Vibration on handlebar (EN1032, ISO5008):
Will not exceed 2.5 m/s
2

(EUR)
Engine:
Engine type:
Air cooled 4-stroke, SOHC
Cylinder arrangement:
Forward-inclined single cylinder
Displacement:
249.0 cm
3

Bore
×
stroke:
74.0
×
58.0 mm (2.91
×
2.28 in)
Compression ratio:
9.50 :1
Starting system:
Electric starter
Lubrication system:
Wet sump

Engine oil:
Type:
SAE 5W-30 or SAE 10W-30 or SAE 10W-40 or SAE
15W-40 or SAE 20W-40 or SAE 20W-50

10-3
1
2
3
4
5
6
7
8
910
11

Gear ratio:
1st:
37/13 (2.846)
2nd:
33/18 (1.833)
3rd:
29/21 (1.381)
4th:
27/24 (1.125)
5th:
28/29 (0.966)
Chassis:
Frame type:
Steel tube frame
Caster angle:
6.0 °
Trail:
23.0 mm (0.91 in)
Front tire:
Type:
Tubeless
Size:
AT20 x 7-10
Manufacturer/model:
DUNLOP/KT201
Rear tire:
Type:
Tubeless
Size:
AT19 x 10-9
Manufacturer/model:
DUNLOP/KT205A
Loading:
Maximum loading limit:
100.0 kg (220 lb)
(Total weight of rider, cargo, accessories, and tongue)
Tire air pressure (measured on cold tires):
Recommended:
Front:
27.5 kPa (0.275 kgf/cm
2

, 4.0 psi)
Rear:
27.5 kPa (0.275 kgf/cm
2

, 4.0 psi)
Minimum:
Front:
24.5 kPa (0.245 kgf/cm
2

, 3.6 psi)
Rear:
24.5 kPa (0.245 kgf/cm
2

, 3.6 psi)
Front wheel:
Wheel type:
Panel wheel
Rim size:
10 x 5.5AT
Rear wheel:
Wheel type:
Panel wheel
Rim size:
9 x 8.5AT
Front brake:
Type:
Dual disc brake
Operation:
Right hand operation