2008 YAMAHA YFM250R wheel

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

EBU25960
SPECIFICATIONS
EBU2597A
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)
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:
SAE5W30 or SAE10W30 or SAE10W40 or SAE15W40
or SAE20W40 or SAE20W50
Recommended engine oil grade:
API service SG type or higher, JASO standard MA
-20˚-10˚0˚
10˚20˚30˚40˚50˚C
10W/30
15W/4020W/4020W/50
10W/40
5W/30

10-3
1
2
3
4
5
6
7
8
910
11
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 (4.0 psi) (0.275 kgf/cm
2

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

)
Minimum:
Front:
24.5 kPa (3.5 psi) (0.245 kgf/cm
2

)
Rear:
24.5 kPa (3.5 psi) (0.245 kgf/cm
2

)Maximum:
Front:
30.5 kPa (4.4 psi) (0.305 kgf/cm
2

)
Rear:
30.5 kPa (4.4 psi) (0.305 kgf/cm
2

)
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
Recommended fluid:
DOT 4
Rear brake:
Type:
Single disc brake
Operation:
Right foot operation
Recommended fluid:
DOT 4

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

Type:
Double wishbone
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
190 mm (7.5 in)
Rear suspension:
Type:
Swingarm
Spring/shock absorber type:
Coil spring/gas-oil damper
Wheel travel:
200 mm (7.9 in)
Electrical system:
Ignition system:
DC. CDI
Charging system:
AC magneto
Battery:
Model:
YTZ7S
Voltage, capacity:
12 V, 6.0 Ah
Headlight:
Bulb type:
Krypton bulb
Bulb voltage, wattage x quantity:
Headlight:
12 V, 30.0/30.0 W
×
2Tail/brake light:
12 V, 5.0/21.0 W
×
1
Neutral indicator light:
12 V, 1.7 W
×
1

Fuse:
Fuse:
15.0 A

Light switch .................................................................... 4-2
M
Main switch .................................................................... 4-1
Maintenance and lubrication chart ................................. 8-5
Maintenance chart, emission control system ................. 8-3
Model label ................................................................... 11-2
N
Neutral indicator light ..................................................... 4-1
O
Owner’s manual and tool kit ........................................... 8-1
P
Parking ........................................................................... 6-5
Parking brake free play, adjusting ................................ 8-27
Parking brake lever ........................................................ 4-5
Parking on a slope ......................................................... 6-6
Part locations ................................................................. 3-1
Pre-operation check list.................................................. 5-1
R
Riding your ATV ............................................................. 7-1
S
Safety information .......................................................... 1-1
Seat .............................................................................. 4-10
Shifting ........................................................................... 6-3
Shift pedal ...................................................................... 4-6
Shock absorber assemblies, adjusting the front .......... 4-11
Spark arrester, cleaning ............................................... 8-18
Spark plug, checking ...................................................... 8-9
Specifications ............................................................... 10-1
Speed limiter .................................................................. 4-3
Starter (choke) ............................................................. 4-10
Start switch..................................................................... 4-2Steering shaft, lubricating............................................. 8-36
Storage........................................................................... 9-2
Suspension, lubricating the upper and lower arm
pivots.......................................................................... 8-35
Swingarm pivots, lubricating ........................................ 8-34
T
Tail/brake light bulb, replacing ..................................... 8-42
Throttle cable free play, adjusting ................................ 8-20
Throttle lever .......................................................... 4-2
,
5-4
Tire pressure, measuring ............................................... 5-5
Tires ............................................................................... 5-4
Tire wear limit ................................................................. 5-6
Troubleshooting ........................................................... 8-43
Troubleshooting chart .................................................. 8-44
V
Valve clearance............................................................ 8-21
Vehicle identification number ....................................... 11-1
W
Wheel hub bearings, checking ..................................... 8-34
Wheel, installing ........................................................... 8-42
Wheel, removing .......................................................... 8-42