YAMAHA GRIZZLY 250 2011 Owners Manual

9-3
9 ly, turn the wheels a little every month in order
to prevent the tires from becoming degraded
in one spot.
8. Cover the muffler outlet with a plastic bag to
prevent moisture from entering it.
9. Remove the battery and fully charge it. Store
it in a cool, dry place and charge it once a
month. Do not store the battery in an exces-
sively cold or warm place [less than 0 °C (30
°F) or more than 30 °C (90 °F)]. For more in-
formation on storing the battery, see page
8-39.
TIPMake any necessary repairs before storing the
ATV.U1P066E0.book Page 3 Thursday, August 5, 2010 4:15 PM

10-1
10
EBU25960
SPECIFICATIONS
Dimensions:Overall length:
1916 mm (75.4 in)
Overall width:
1038 mm (40.9 in)
Overall height:
1118 mm (44.0 in)
Seat height:
772 mm (30.4 in)
Wheelbase:
1170 mm (46.1 in)
Ground clearance:
150 mm (5.9 in)
Minimum turning radius:
2900 mm (114 in)Weight:With oil and fuel:
216.0 kg (476 lb)Noise and vibration level:Noise level (77/311/EEC):
YFM25BA 77.5 dB(A)
Vibration on seat (EN1032, ISO5008):
YFM25BA Will not exceed 0.5 m/s²
Vibration on handlebar (EN1032, ISO5008):
YFM25BA Will not exceed 2.5 m/s²Engine:Engine type:
Air cooled 4-stroke, SOHCCylinder arrangement:
Forward-inclined single cylinder
Displacement:
229 cm³
Bore × stroke:
71.0 × 58.0 mm (2.80 × 2.28 in)
Compression ratio:
8.70 :1
Starting system:
Electric and recoil starter
Lubrication system:
Wet sump
Engine oil:Recommended brand:
YAMALUBE
U1P066E0.book Page 1 Thursday, August 5, 2010 4:15 PM

10-2
10
Type:
SAE 5W-30, 10W-30, 10W-40, 15W-40, 20W-40 or 20W-
50
Recommended engine oil grade:
API service SG type or higher, JASO standard MA
Engine oil quantity:
Without oil filter element removal:
1.50 L (1.59 US qt, 1.32 Imp.qt)
With oil filter element removal:
1.60 L (1.69 US qt, 1.41 Imp.qt)Final gear oil:Type:
SAE 80 API GL-4 Hypoid gear oil
Quantity:
0.25 L (0.26 US qt, 0.22 Imp.qt)
Air filter:Air filter element:
Dry elementFuel:Recommended fuel:
YFM250A Unleaded gasoline only
YFM25BA Regular unleaded gasoline only
Fuel tank capacity:
12.0 L (3.17 US gal, 2.64 Imp.gal)
Fuel reserve amount:
1.6 L (0.42 US gal, 0.35 Imp.gal)Carburetor:Type × quantity:
BSR33 x 1Spark plug (s):Manufacturer/model:
NGK/DR7EA
Spark plug gap:
0.6–0.7 mm (0.024–0.028 in)Clutch:Clutch type:
Wet, centrifugal automaticTransmission:Primary reduction system:
Spur gear
Primary reduction ratio:
73/22 (3.318)
Secondary reduction system:
Shaft drive
Secondary reduction ratio:
19/18 × 46/11 (4.414)
0 10 30 50 70 90 110 130 ˚F
–20 –10 0 10 20 30 40 50 ˚CSAE 5W-30
SAE 10W-30
SAE 10W-40
SAE 15W-40
SAE 20W-40SAE 20W-50
U1P066E0.book Page 2 Thursday, August 5, 2010 4:15 PM

10-3
10
Transmission type:
Constant mesh 5-speed.forward, 1-speed.reverse
Operation:
Left foot operation
Gear ratio:
1st:
34/12 (2.833)
2nd:
34/19 (1.789)
3rd:
29/22 (1.318)
4th:
26/25 (1.040)
5th:
23/28 (0.821)
Reverse gear:
73/22 × 34/12 × 19/18 (9.924)Chassis:Frame type:
Steel tube frame
Caster angle:
4.0 °
Trail:
20.0 mm (0.79 in)Front tire:Type:
Tubeless
Size:
AT22 x 7.00-10
Manufacturer/model:
YFM250A CARLISLE/TRAIL WOLF
YFM25BA MAXXIS/M905
Rear tire:Type:
Tubeless
Size:
AT22 x 10.00-10
Manufacturer/model:
YFM250A CARLISLE/TRAIL WOLF
YFM25BA MAXXIS/M906Loading:Maximum loading limit:
165.0 kg (364 lb)
(Total weight of rider, cargo, accessories, and tongue)Tire air pressure (measured on cold tires):Recommended:
Front:
20.0 kPa (0.200 kgf/cm², 2.9 psi)
Rear:
25.0 kPa (0.250 kgf/cm², 3.6 psi)
Minimum:
Front:
17.0 kPa (0.170 kgf/cm², 2.5 psi)
Rear:
22.0 kPa (0.220 kgf/cm², 3.2 psi)Front wheel:Wheel type:
Panel wheel
Rim size:
10 x 6.0ATRear wheel:Wheel type:
Panel wheel
U1P066E0.book Page 3 Thursday, August 5, 2010 4:15 PM

10-4
10
Rim size:
10 x 8.0ATFront brake:Type:
Disc brake
Operation:
Right hand operation
Recommended fluid:
DOT 4Rear brake:Type:
Drum brake
Operation:
Left hand and right foot operationFront suspension:Type:
Strut
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
125 mm (5.0 in)Rear suspension:Type:
Swingarm (monocross)
Spring/shock absorber type:
Coil spring/oil damper
Wheel travel:
135 mm (5.3 in)Electrical system:Ignition system:
DC CDICharging system:
AC magneto
Battery:Model:
CB14A-A2
Voltage, capacity:
12 V, 14.0 AhHeadlight:Bulb type:
Krypton bulbBulb voltage, wattage × quantity:Headlight:
12 V, 30.0/30.0 W × 2
Tail/brake light:
12 V, 5.0/21.0 W × 1
Neutral indicator light:
12 V, 1.7 W × 1
Reverse indicator light:
12 V, 1.7 W × 1Fuse:Fuse:
20.0 A
U1P066E0.book Page 4 Thursday, August 5, 2010 4:15 PM

11-1
11
EBU26000
CONSUMER INFORMATION
EBU28200Identification numbers Record the vehicle identification number and mod-
el label information in the spaces provided below
for assistance when ordering spare parts from a
Yamaha dealer or for reference in case the ATV is
stolen.
VEHICLE IDENTIFICATION NUMBER:
MODEL LABEL INFORMATION:EBU26041Vehicle identification number
The vehicle identification number is stamped into
the frame.The year of manufacture is listed in the vehicle
identification number as shown in the illustration.
1. Vehicle identification number
U1P066E0.book Page 1 Thursday, August 5, 2010 4:15 PM

11-2
11
TIPThe vehicle identification number is used to identify
your ATV.EBU26050Model label
The model label is affixed at the location in the il-
lustration. Record the information on this label in
the space provided. This information will be need-
ed when ordering spare parts from a Yamaha deal-
er.1. Vehicle identification number
2. Year of manufacture
00
8 : 2008
9 : 2009
A : 2010
B : 2011(I, O, Q, U, Z not used)
12
1. Model label
U1P066E0.book Page 2 Thursday, August 5, 2010 4:15 PM

INDEX
AAccessories and loading ................................................ 6-8
Air filter element, cleaning ............................................ 8-20BBattery ................................................................... 5-6, 8-39
Brake fluid, changing .................................................... 8-30
Brake fluid level, checking ............................................ 8-29
Brake lever free play, checking the front ...................... 8-30
Brake lever, front ............................................................ 4-4
Brake levers, checking and lubricating ......................... 8-36
Brake light switches ..................................................... 8-34
Brake pads and shoes, checking ................................. 8-28
Brake pedal and rear brake lever ................................... 4-5
Brake pedal, checking and lubricating ......................... 8-37
Brake pedal height and free play, and rear brake lever
free play, adjusting ..................................................... 8-31
Brakes .......................................................................... 8-28
Brakes, front and rear .................................................... 5-3CCables, checking and lubricating ................................. 8-35
Carburetor, adjusting .................................................... 8-25
Carrier, front ................................................................. 4-13
Carrier, rear .................................................................. 4-13
Chassis fasteners ........................................................... 5-6
Cleaning ......................................................................... 9-1
Clutch free play, adjusting ............................................ 8-35DDrive select lever ............................................................ 4-7Drive select lever and driving in reverse ........................ 6-3
Drive select lever safety system cable, adjusting ......... 8-28
EEngine break-in .............................................................. 6-6
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-26
Engine oil ....................................................................... 5-3
Engine oil and oil filter element .................................... 8-11
Engine, starting a warm ................................................. 6-3
Engine stop switch ......................................................... 4-2FFinal gear oil .......................................................... 5-3, 8-18
Fuel ......................................................................... 4-8, 5-3
Fuel cock ........................................................................ 4-9
Fuel tank cap .................................................................. 4-7
Fuse, replacing ............................................................. 8-42HHandlebar switches ........................................................ 4-2
Headlight beam, adjusting ............................................ 8-45
Headlight bulb, replacing .............................................. 8-43
Horn switch .................................................................... 4-3IIdentification numbers .................................................. 11-1
Indicator lights ................................................................ 4-2
Instruments, lights and switches .................................... 5-6LLabel locations ............................................................... 1-1
Light switch .................................................................... 4-3
U1P066E0.book Page 1 Thursday, August 5, 2010 4:15 PM

MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................. 8-5
Maintenance chart, emission control system ................. 8-3
Model label ................................................................... 11-2NNeutral indicator light ..................................................... 4-2OOwner’s manual and tool kit ........................................... 8-2PParking ........................................................................... 6-7
Parking brake ................................................................. 4-6
Parking on a slope ......................................................... 6-7
Part locations ................................................................. 3-1RRecoil starter .................................................................. 4-7
Reverse indicator light ................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 2-1
Seat .............................................................................. 4-11
Shifting ........................................................................... 6-4
Shift pedal ...................................................................... 4-6
Shift pedal, checking .................................................... 8-37
Shock absorber assembly, adjusting the rear .............. 4-14
Spark arrester, cleaning ............................................... 8-24
Spark plug, checking ...................................................... 8-9
Specifications ............................................................... 10-1
Speed limiter .................................................................. 4-4
Starter (choke) ............................................................. 4-11
Start switch .................................................................... 4-3
Steering shaft, lubricating ............................................ 8-38Storage .......................................................................... 9-2
Storage compartment .................................................. 4-12
Swingarm pivots, lubricating ........................................ 8-38
TTail/brake light bulb, replacing ..................................... 8-45
Throttle lever ........................................................... 4-3, 5-4
Throttle lever free play, adjusting ................................. 8-27
Tires ............................................................................... 5-4
Troubleshooting ........................................................... 8-48
Troubleshooting chart .................................................. 8-49VValve clearance ........................................................... 8-27
Vehicle identification number ....................................... 11-1WWheel hub bearings, checking ..................................... 8-37
Wheel, installing ........................................................... 8-46
Wheel, removing .......................................................... 8-46
U1P066E0.book Page 2 Thursday, August 5, 2010 4:15 PM

YAMAHA MOTOR CO., LTD.
PRINTED IN USA
2010.08-0.3×1 CR
(E)
U1P066E0.book Page 1 Thursday, August 5, 2010 4:15 PM