2011 YAMAHA GRIZZLY 125 tires

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

5
*
Tires

Check tread depth and for damage, and replace if
necessary.

Check air pressure and balance, and correct if
necessary.
√ √√√
6
*
Wheel hub bearings


Check for looseness or damage, and replace if
necessary.
√ √√√
7
*
Upper and lower
arm pivots


Lubricate with lithium-soap-based grease.
√√√
8 Drive chain

Check chain slack and adjust if necessary.

Check rear wheel alignment and correct if neces-
sary.

Clean and lubricate.
√√√√√
9
*
V-belt


Check for wear, cracks or other damage, and
replace if necessary.
√√
10
*
Chassis fasteners


Make sure that all nuts, bolts, and screws are
properly tightened.
√√√√√
11
*
Shock absorber
assemblies


Check operation and correct if necessary.

Check for oil leakage and replace if necessary.
√√√
12
*
Front knuckle piv-
ots


Lubricate with lithium-soap-based grease.
√√√
13
*
Steering shaft


Lubricate with lithium-soap-based grease.
√√√
14
*
Steering system


Check operation and repair or replace if damaged.

Check toe-in and adjust if necessary.
√√√√√
15 Engine oil

Change.

Check ATV for oil leakage, and correct if necessary.
√ √√√
NO. ITEMCHECK OR MAINTENANCE
JOBINITIAL EVERY
Whichev-
er comes
firstmonth136612
km
(mi)320
(200)1300
(800)2500
(1600)2500
(1600)5000
(3200)
hours 20 80 160 160 320

8-15
1
2
3
4
5
6
78
9
10
11

7. Check the oil filler bolt gasket for damage, and
replace it if necessary.
8. Install the oil filler bolt and its gasket, and then
tighten the bolt to the specified torque.
NOTICE

ECB01061
Make sure that no oil gets on the tires or
wheels.
9. Start the engine, and then let it idle for several
minutes while checking the transmission for
oil leakage. If oil is leaking, immediately turn
off the engine and check for the cause.
10. Turn the engine off, and then check the oil lev-
el and correct it if necessary.
EBU23846
Cleaning the engine and V-belt case air
filter elements
Both air filter elements should be cleaned at the
specified intervals in the periodic maintenance
chart.
Engine air filter element
TIP

There is a check hose at the bottom of the air filter
case. If dust or water collects in this hose, empty
the hose and clean the air filter element and air fil-
ter case. Recommended transmission oil:
See page 10-1.
Oil quantity:
0.6 L (0.63 US qt, 0.53 Imp.qt)
Tightening torque:
Transmission oil filler bolt:
23 Nm (2.3 m·kgf, 17 ft·lbf)
1. Air filter case check hose
1

8-33
1
2
3
4
5
6
78
9
10
11

EBU24873
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.
3. If the drive chain slack is incorrect, adjust it as
follows.
To adjust the drive chain slack
1. Place the ATV on a level surface.
2. Loosen the hub stopper bolt locknut and then
1. Brake lever free play adjusting nut
1
(a)
(b)

Drive chain slack:
30.0 mm (1.18 in)
1. Drive chain slack
1

9-3
1
2
3
4
5
6
7
89
10
11

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
8-40.
TIP

Make any necessary repairs before storing the
ATV.

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

Frame type:
Steel tube frame
Caster angle:
6.0 °
Trail:
15.0 mm (0.59 in)
Front tire:
Type:
Tubeless
Size:
AT20 x 7-8
Manufacturer/model:
DUNLOP/KT536A
Rear tire:
Type:
Tubeless
Size:
AT22 x 10-8
Manufacturer/model:
DUNLOP/KT537A
Loading:
Maximum loading limit:
105.0 kg (231 lb)
(Total weight of rider, cargo, accessories, and tongue)
Tire air pressure (measured on cold tires):
Recommended:
Front:
20.0 kPa (0.200 kgf/cm
2

, 2.9 psi)
Rear:
25.0 kPa (0.250 kgf/cm
2

, 3.6 psi)Minimum:
Front:
17.0 kPa (0.170 kgf/cm
2

, 2.5 psi)
Rear:
22.0 kPa (0.220 kgf/cm
2

, 3.2 psi)
Front wheel:
Wheel type:
Panel wheel
Rim size:
8 x 5.5AT
Rear wheel:
Wheel type:
Panel wheel
Rim size:
8 x 8.0AT
Front brake:
Type:
Drum brake
Operation:
Right hand operation
Rear brake:
Type:
Drum brake
Operation:
Left hand operation
Front suspension:
Type:
Swing axle
Spring/shock absorber type:
Coil spring/oil damper

N
Neutral indicator light ..................................................... 4-1
O
Owner’s manual and tool kit ........................................... 8-1
P
Parking ........................................................................... 6-5
Parking brake ................................................................. 4-5
Parking on a slope ......................................................... 6-5
Part locations ................................................................. 3-1
R
Reverse indicator light.................................................... 4-1
Riding your ATV ............................................................. 7-1
S
Safety information .......................................................... 2-1
Seat .............................................................................. 4-10
Spark arrester, cleaning ............................................... 8-21
Spark plug, checking ...................................................... 8-8
Specifications ............................................................... 10-1
Speed limiter .................................................................. 4-3
Starter (choke) ............................................................... 4-9
Start switch..................................................................... 4-2
Steering shaft, lubricating............................................. 8-39
Storage........................................................................... 9-2
Suspension, lubricating the upper and lower arm
pivots.......................................................................... 8-38
T
Tail/brake light bulb, replacing ..................................... 8-46
Throttle cable free play, adjusting ................................ 8-25
Throttle lever .......................................................... 4-3
,
5-3
Tires ............................................................................... 5-3
Transmission oil ................................................... 5-3
,
8-12Troubleshooting ........................................................... 8-48
Troubleshooting chart .................................................. 8-50
V
Valve clearance............................................................ 8-26
V-belt case drain screw ................................................ 8-23
Vehicle identification number ....................................... 11-1
W
Wheel hub bearings, checking ..................................... 8-37
Wheel, installing ........................................................... 8-47
Wheel, removing .......................................................... 8-47