2010 YAMAHA GRIZZLY 350 brake pads

OPERATION .................................................. 6-1
Starting a cold engine ................................ 6-1
Starting a warm engine .............................. 6-3
Operating the drive select lever and
driving in reverse ...................................... 6-3
Engine break-in .......................................... 6-4
Parking ....................................................... 6-5
Parking on a slope ..................................... 6-5
Accessories and loading ............................ 6-6
RIDING YOUR ATV ...................................... 7-1
GETTING TO KNOW YOUR ATV............... 7-2
RIDE WITH CARE AND GOOD
JUDGMENT .............................................. 7-2
BE CAREFUL WHERE YOU RIDE ............. 7-9
TURNING YOUR ATV .............................. 7-12
CLIMBING UPHILL ................................... 7-13
RIDING DOWNHILL.................................. 7-16
CROSSING A SLOPE............................... 7-17
CROSSING THROUGH SHALLOW
WATER ................................................... 7-18
RIDING OVER ROUGH TERRAIN ........... 7-21
SLIDING AND SKIDDING ......................... 7-21
WHAT TO DO IF... .................................... 7-22
WHAT TO DO... ........................................ 7-23PERIODIC MAINTENANCE AND
ADJUSTMENT................................................8-1
Owner’s manual and tool kit .......................8-1
Periodic maintenance chart for the
emission control system ...........................8-3
General maintenance and lubrication
chart ..........................................................8-5
Removing and installing the panel ..............8-9
Checking the spark plug .............................8-9
Engine oil and oil filter cartridge ................8-12
Final gear oil .............................................8-16
Changing the differential gear oil ..............8-18
Cleaning the air filter element ...................8-20
Cleaning the spark arrester ......................8-23
V-belt cooling duct check hose .................8-24
V-belt case drain plug ...............................8-25
Adjusting the carburetor ............................8-25
Adjusting the engine idling speed .............8-25
Adjusting the throttle cable free play .........8-27
Valve clearance ........................................8-27
Adjusting the drive select lever safety
system cable ...........................................8-28
Brakes .......................................................8-28
Checking the front brake pads and
rear brake shoes .....................................8-28
Checking the brake fluid level ...................8-29
Changing the brake fluid ...........................8-30U1AB60E0.book Page 2 Wednesday, April 29, 2009 10:19 AM

5-1
5
EBU19201
PRE-OPERATION CHECKS
EBU19224Inspect your vehicle each time you use it to make sure the vehicle is in safe operating condition. Always
follow the inspection and maintenance procedures and schedules described in the Owner’s Manual.
WARNING
EWB00481Failure to inspect or maintain the vehicle properly increases the possibility of an accident or equip-
ment damage. Do not operate the vehicle if you find any problem. If a problem cannot be corrected
by the procedures provided in this manual, have the vehicle inspected by a Yamaha dealer.Before using this vehicle, check the following points:
ITEM ROUTINE PAGE
FuelCheck fuel level in fuel tank, and add recommended fuel if neces-
sary.
Check fuel line for leakage. Correct if necessary.4-10, 5-3
Engine oilCheck oil level in engine, and add recommended oil to specified lev-
el if necessary.
Check ATV for oil leakage. Correct if necessary.5-3, 8-12
Final gear oilCheck ATV for oil leakage. Correct if necessary. 5-3, 8-16
Differential gear oilCheck ATV for oil leakage. Correct if necessary. 5-3, 8-18
Front brakeCheck operation. If soft or spongy, have Yamaha dealer bleed hy-
draulic system.
Check brake pads for wear, and replace if necessary.
Check brake fluid level in reservoir, and add recommended brake
fluid to specified level if necessary.
Check hydraulic system for leakage. Correct if necessary.5-3, 8-28, 8-29, 8-30
U1AB60E0.book Page 1 Wednesday, April 29, 2009 10:19 AM

5-4
5 Brake operation
Test the brakes at slow speed after starting out to
make sure they are working properly. If the brakes
do not provide proper braking performance, check
the brake pads and shoes for wear. (See page
8-28.)
EBU19761Throttle lever Check the operation of the throttle lever. It must
open smoothly and spring back to the idle position
when released. Have a Yamaha dealer correct if
necessary.EBU19814Tires Check tire pressure regularly to make sure it is at
the recommended specifications. Also check for
wear and damage.
Tire pressure
Use the low-pressure tire gauge to check and ad-
just tire pressures when the tires are cold. Tire
pressures must be equal on both sides.
WARNING! Operation of this vehicle with im-
proper tire pressure may cause severe injury
or death from loss of control or rollover. Tirepressure below the minimum specified could
also cause the tire to dislodge from the rim un-
der severe riding conditions.
[EWB02541]
Set tire
pressures to the following specifications:
The low-pressure tire gauge is included as stan-
dard equipment. Make two measurements of the
tire pressure and use the second reading. Dust or
dirt in the gauge could cause the first reading to be
incorrect.Recommended tire pressure:
Fron t
25.0 kPa (0.250 kgf/cm², 3.6 psi)
Rear
25.0 kPa (0.250 kgf/cm², 3.6 psi)
Minimum tire pressure:
Fron t
22.0 kPa (0.220 kgf/cm², 3.2 psi)
Rear
22.0 kPa (0.220 kgf/cm², 3.2 psi)
Maximum tire seating pressure:
Fron t
250 kPa (2.5 kgf/cm², 36 psi)
Rear
250 kPa (2.5 kgf/cm², 36 psi)
U1AB60E0.book Page 4 Wednesday, April 29, 2009 10:19 AM

8-5
8
EBU21865General maintenance and lubrication chart TIP
For ATVs not equipped with an odometer or an hour meter, follow the month maintenance intervals.
For ATVs equipped with an odometer or an hour meter, follow the km (mi) or hours maintenance inter-
vals. However, keep in mind that if the ATV isn’t used for a long period of time, the month maintenance
intervals should be followed.
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools,
data and technical skills.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
1 Air filter elementClean and replace if necessary.Every 20–40 hours (more often in wet or
dusty areas)
2*Front brakeCheck operation and correct if necessary.
Check fluid level and ATV for fluid leakage, and
correct if necessary.√√√√√
Replace brake pads. Whenever worn to the limit
3*Rear brakeCheck operation and correct if necessary.
Check brake lever and pedal free play, and adjust
if necessary.√√√√√
Replace brake shoes. Whenever worn to the limit
U1AB60E0.book Page 5 Wednesday, April 29, 2009 10:19 AM

8-28
8
EBU24071Adjusting the drive select lever safety
system cable The drive select lever safety system cable stretch-
es with use, which can result in improper function.
Therefore, the safety system cable should be
checked and adjusted by a Yamaha dealer at the
intervals specified in the periodic maintenance and
lubrication chart.EBU29601Brakes Replacement of brake components requires pro-
fessional knowledge. Brake service should be per-
formed by a Yamaha dealer.
WARNING
EWB02571Operating with improperly serviced or adjust-
ed brakes could lead to a loss in braking ability
and an accident.EBU24120Checking the front brake pads and rear
brake shoes The front brake pads and the rear brake shoes
must be checked for wear at the intervals specified
in the periodic maintenance and lubrication chart.
EBU24171Front brake pads
Check each front brake pad for damage and mea-
sure the lining thickness. If a brake pad is dam-
aged or if the lining thickness is less than 1.0 mm
(0.04 in), have a Yamaha dealer replace the brake
pads as a set.TIPThe wheels need to be removed to check the
brake pads. (See page 8-44.)1. Brake pad
2. Lining thickness
2
1
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8-29
8
EBU24180Rear brake shoes
The rear brake is provided with a wear indicator,
which allows you to check the brake shoe wear
without having to disassemble the brake. To check
the brake shoe wear, check the position of the
wear indicator while applying the brake. If a brake
shoe has worn to the point that the wear indicator
reaches the wear limit line or mark, have a
Yamaha dealer replace the brake shoes as a set.
EBU24251Checking the brake fluid level Insufficient brake fluid may allow air to enter the
brake system, possibly causing it to become inef-
fective.
Before riding, check that the brake fluid is above
the minimum level mark and replenish if neces-
sary. A low brake fluid level may indicate worn
brake pads and/or brake system leakage. If the
brake fluid level is low, be sure to check the brake
pads for wear and the brake system for leakage.
Observe these precautions:
When checking the fluid level, make sure that
the top of the brake fluid reservoir is level.
1. Wear limit line
2. Wear indicator
1. Minimum level mark
U1AB60E0.book Page 29 Wednesday, April 29, 2009 10:19 AM

8-30
8

Use only the recommended quality brake fluid,
otherwise the rubber seals may deteriorate,
causing leakage and poor braking performance.
Refill with the same type of brake fluid. Mixing
fluids may result in a harmful chemical reaction
and lead to poor braking performance.
Be careful that water does not enter the brake
fluid reservoir when refilling. Water will signifi-
cantly lower the boiling point of the fluid and may
result in vapor lock.
Brake fluid may deteriorate painted surfaces or
plastic parts. Always clean up spilled fluid imme-
diately.
As the brake pads wear, it is normal for the brake
fluid level to gradually go down. However, if the
brake fluid level goes down suddenly, have a
Yamaha dealer check the cause.EBU24281Changing the brake fluid Have a Yamaha dealer change the brake fluid at
the intervals specified in the TIP after the periodic
maintenance and lubrication chart. In addition,have the oil seals of the brake master cylinder and
calipers as well as the brake hoses replaced at the
intervals listed below or whenever they are dam-
aged or leaking.

Oil seals: Replace every two years.
Brake hoses: Replace every four years.EBU24394Checking the front brake lever free play The brake lever free play must be checked at the
intervals specified in the periodic maintenance and
lubrication chart. The brake lever should have no
free play as shown. If there is free play, have a
Yamaha dealer check the brake system. Recommended brake fluid:
DOT 41. No free play
U1AB60E0.book Page 30 Wednesday, April 29, 2009 10:19 AM

INDEX
AAccessories and loading ................................................ 6-6
Air filter element, cleaning ............................................ 8-20
Axle boots .................................................................... 8-34BBattery .......................................................................... 8-38
Brake fluid, changing ................................................... 8-30
Brake fluid level, checking ........................................... 8-29
Brake lever free play, checking the front ...................... 8-30
Brake lever, front ............................................................ 4-7
Brake levers, checking and lubricating ........................ 8-36
Brake light switches ..................................................... 8-34
Brake pads and shoes, checking ................................. 8-28
Brake pedal and brake lever free play (rear) and
brake pedal position, adjusting and checking ............ 8-31
Brake pedal and rear brake lever ................................... 4-7
Brake pedal, checking and lubricating ......................... 8-36
Brakes .......................................................................... 8-28
Brakes, front and rear .................................................... 5-3CCables, checking and lubricating ................................. 8-35
Carburetor, adjusting ................................................... 8-25
Carrier, front ................................................................. 4-16
Carrier, rear .................................................................. 4-16
Chassis fasteners .......................................................... 5-6
Cleaning ......................................................................... 9-1DDifferential gear oil ......................................................... 5-3Differential gear oil, changing ...................................... 8-18
Drive select lever ........................................................... 4-9
Drive select lever and driving in reverse ........................ 6-3
Drive select lever safety system cable, adjusting ........ 8-28
EEngine break-in .............................................................. 6-4
Engine, cold start ........................................................... 6-1
Engine idling speed ..................................................... 8-25
Engine oil ....................................................................... 5-3
Engine oil and oil filter cartridge ................................... 8-12
Engine, starting a warm ................................................. 6-3
Engine stop switch ......................................................... 4-4FFinal gear oil ......................................................... 5-3, 8-16
Four-wheel-drive indicator light ...................................... 4-3
Fuel ....................................................................... 4-10, 5-3
Fuel cock ..................................................................... 4-12
Fuel tank cap ............................................................... 4-10
Fuses, replacing .......................................................... 8-40HHandlebar switches ....................................................... 4-4
Headlight beam, adjusting ........................................... 8-43
Headlight bulb, replacing ............................................. 8-42
Horn switch .................................................................... 4-4IIdentification numbers .................................................. 11-1
Indicator lights and warning light ................................... 4-2
Instruments, lights and switches .................................... 5-6
U1AB60E0.book Page 1 Wednesday, April 29, 2009 10:19 AM