2014 YAMAHA GRIZZLY 450 boot

Adjusting the rear brake lever and brake pedal free play, and the brake pedal
height ..................................................... 8-41
Axle boots ................................................ 8-47
Brake light switches ................................. 8-48
Checking and lubricating the cables ........ 8-48
Checking and lubricating the front and rear brake levers .................................... 8-49
Checking and lubricating the brake pedal ...................................................... 8-50
Checking the wheel hub bearings ............ 8-50
Lubricating the drive shaft universal joint ......................................................... 8-50
Checking the stabilizer bushes ................ 8-51
Lubricating the rear knuckle pivots ........... 8-52
Lubricating the steering shaft ................... 8-52
Battery ...................................................... 8-53
Replacing a fuse ...................................... 8-55
Replacing a headlight bulb ....................... 8-58
Adjusting a headlight beam ...................... 8-60
Replacing the tail/brake light bulb ............ 8-60
Removing a wheel .................................... 8-62
Installing a wheel ...................................... 8-62
Troubleshooting ....................................... 8-64
Troubleshooting charts ............................. 8-65 CLEANING AND STORAGE ..........................9-1
Cleaning ......................................................9-1
Storage .......................................................9-2
SPECIFICATIONS .......................................10-1
CONSUMER INFORMATION.......................11-1 Identification numbers ...............................11-1
U2LC60E0.book Page 3 Friday, March 8, 2013 1:18 PM

2-1
2
EBU17431
SAFETY INFORMATION
EBU17505AN ATV IS NOT A TOY AND CAN BE HAZARD-OUS TO OPERATE.An ATV handles differently from other vehicles, in-
cluding motorcycles and cars. A collision or roll-
over can occur quickly, even during routine
maneuvers such as turning and riding on hills or
over obstacles, if you fail to take proper precau-
tions.
SEVERE INJURY OR DEATH can result if you do
not follow these instructions:●Read this manual and all labels carefully and fol-
low the operating procedures described.●Never operate an ATV without proper training or
instruction. Take a training course. Beginners
should receive training from a certified instruc-
tor. Contact an authorized ATV dealer to find out
about the training courses nearest you.●Always follow the age recommendation:
– A child under 16 years old should never oper-
ate an ATV with engine size greater than 90 cc.
●Never allow a child under age 16 to operate an
ATV without adult supervision, and never allow
continued use of an ATV by a child if he or she
does not have the abilities to operate it safely.●Never carry a passenger on an ATV.●This vehicle is intended for off-road use only. Do
not operate on any paved surfaces such as:
sidewalks, driveways, parking lots, paved roads,
public streets or other motorway.●Watch carefully for other vehicles when operat-
ing on unpaved public streets or roads. Make
sure you know your country’s laws and regula-
tions before you ride on unpaved public streets
or roads.●Never operate an ATV without wearing an ap-
proved motorcycle helmet that fits properly. You
should also wear eye protection (goggles or face
shield), gloves, boots, a long-sleeved shirt or a
jacket, and long pants.●Never consume alcohol or drugs before or while
operating this ATV.
U2LC60E0.book Page 1 Friday, March 8, 2013 1:18 PM

5-2
5
Front brake Check 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 specified brake fluid to specified level if necessary.
Check hydraulic system for leakage. Correct if necessary. 5-3, 8-39, 8-40, 8-41
Rear brake Check operation, and correct if necessary.
Lubricate cables if necessary.
Check lever and pedal free play, and adjust if necessary. 5-3, 8-39, 8-41
Throttle lever Make sure that operation is smooth. Lubricate cable and lever hous-
ing if necessary.
Check lever free play, and adjust if necessary. 5-4, 8-37
Control cables Make sure that operation is smooth. Lubricate if necessary. 8-48
Wheels and tires Check wheel condition, and replace if damaged.
Check tire condition and tread depth. Replace if necessary.
Check air pressure. Correct if necessary. 5-4
Brake pedal Make sure that operation is smooth. Lubricate pedal pivoting point if
necessary. 8-50
Brake levers Make sure that operation is smooth. Lubricate lever pivoting points if
necessary. 8-49
Axle boots Check for cracks or damage, and replace if necessary. 8-47
Chassis fasteners Make sure that all nuts, bolts and screws are properly tightened. 5-7
Instruments, lights and
switches Check operation, and correct if necessary. 5-7
ITEM ROUTINE PAGEU2LC60E0.book Page 2 Friday, March 8, 2013 1:18 PM

7-4
7
Apparel
Always wear the following to reduce risk of injury in
an accident:
●Approved motorcycle helmet that fits properly●Eye protection (goggles, helmet face shield, or
protective eyewear)●Over-the-ankle boots, gloves, long-sleeved shirt
or jacket, and long pants
An approved helmet and other personal protective
equipment can reduce the severity of injuries in an
accident. WARNING! Operating without an ap-
proved motorcycle helmet increases your
chances of a severe head injury or death in the
event of an accident.
[EWB01411]
Wear eye protection when operating your ATV to
reduce the risk of a serious accident or injury. Eye
protection, such as a face shield or goggles, may
reduce the risk of foreign material getting in your
eyes and help prevent loss of vision. WARNING!
Operating without eye protection can result in
an accident and increases your chances of a
severe injury in the event of an accident.[EWB02611]
U2LC60E0.book Page 4 Friday, March 8, 2013 1:18 PM

7-5
7Do not operate after or while consuming alco-
hol or drugs.
The operator’s performance capability is reduced
by the influence of alcohol or drugs. Consuming al-
cohol or drugs could seriously affect your judg-
ment, cause you to react more slowly, and affect
your balance and perception. WARNING! Never
consume alcohol or drugs before or while driv-
ing this ATV. You increase your chance of an
accident.
[EWB01421]
Pre-operation checks
Always inspect your ATV each time you use it to
make sure the ATV is in safe operating condition.
Perform the pre-operation checks listed on page
5-1. Always follow the inspection and maintenance
procedures and schedules described in the Own-
er’s Manual. WARNING! Failure to inspect the
ATV before operating it and to maintain it prop-
erly increases the possibility of an accident or
equipment damage.
[EWB01431]
Speed limiter
For riders less experienced with this model, the
throttle lever housing is equipped with a speed lim-
iter. The speed limiter keeps the throttle from fully
1. Protective clothing
2. Goggles
3. Gloves
4. Boots
5. HelmetU2LC60E0.book Page 5 Friday, March 8, 2013 1:18 PM

8-7
8
13*Stabilizer bushes Check for cracks or other damage, and replace if
necessary. √√√
14 *Rear knuckle pivots Lubricate with lithium-soap-based grease. √√√
15 *Steering shaft Lubricate with lithium-soap-based grease. √√√
16 *Steering system Check operation and repair or replace if damaged.
Check toe-in and adjust if necessary. √√√√√
17 *Engine mount Check for cracks or other damage, and replace if
necessary. √√√
18 *Axle boots Check for cracks or other damage, and replace if
necessary. √√√√√
19 Engine oil Change.
Check ATV for oil leakage, and correct if neces-
sary. √ √√√
20 Engine oil filter car-
tridge
Replace.
√√√
21 *Engine oil strainer Clean. √√√
22 Differential gear oil Change.
Check ATV for oil leakage, and correct if neces-
sary. √√
NO. ITEM
CHECK OR MAINTENANCE
JOB INITIAL EVERY
Whichev- er comes first month136612
km
(mi) 320
(200) 1300
(800) 2500
(1600) 2500
(1600) 5000
(3200)
hours 20 80 160 160 320U2LC60E0.book Page 7 Friday, March 8, 2013 1:18 PM

8-47
8
2. To increase the brake pedal free play, turn the
brake pedal free play adjusting nut in direction
(a). To decrease the brake pedal free play,
turn the adjusting nut in direction (b).
3. Tighten the locknut.
EBU24230Axle boots The axle boots must be checked for damage at the
intervals specified in the periodic maintenance and
lubrication chart. Check the axle boots for tears or
damage. If any damage is found, have them re-
placed by a Yamaha dealer.1. Locknut
2. Brake pedal free play adjusting nut
21
(a)
(b)
1. Front axle boot (each side)
1. Rear axle boot (each side)
1
1
U2LC60E0.book Page 47 Friday, March 8, 2013 1:18 PM

INDEX
AAccessories and loading ................................................ 6-6
Accessories, auxiliary jack ........................................... 4-23
Air filter element, cleaning ............................................ 8-30
Axle boots .................................................................... 8-47BBattery .......................................................................... 8-53
Brake fluid, changing .................................................... 8-41
Brake fluid level, checking ............................................ 8-40
Brake lever free play, checking the front ...................... 8-41
Brake lever, front .......................................................... 4-13
Brake levers, checking and lubricating ......................... 8-49
Brake light switches ..................................................... 8-48
Brake pads and friction plates, chec king ...................... 8-39
Brake pedal and rear brake lever ................................. 4-13
Brake pedal, checking and lubricating ......................... 8-50
Brakes .......................................................................... 8-38
Brakes, front and rear .................................................... 5-3CCables, checking and lubricating ................................. 8-48
Carburetor, adjusting .................................................... 8-36
Carrier, front ................................................................. 4-22
Carrier, rear .................................................................. 4-22
Chassis fasteners ........................................................... 5-7
Cleaning ......................................................................... 9-1
Coolant .................................................................. 5-3, 8-26
Coolant temperature warning light ................................. 4-3
DDifferential gear oil ................................................ 5-3, 8-24
Drive select lever .......................................................... 4-14
Drive select lever and driving in reverse ........................ 6-3
Drive select lever safety system cable, adjusting ......... 8-38
Drive shaft universal joint, lubricating ........................... 8-50EEngine break-in .............................................................. 6-5
Engine, cold start ........................................................... 6-1
Engine idling speed ...................................................... 8-36
Engine oil ....................................................................... 5-3
Engine oil and oil filter cartridge ................................... 8-17
Engine, starting a warm ................................................. 6-3
Engine stop switch ......................................................... 4-7
EPS warning light (for EPS model) ................................ 4-3FFinal gear oil .......................................................... 5-3, 8-21
Four-wheel-drive/differential gear lock indicator ............ 4-4
Fuel ....................................................................... 4-15, 5-3
Fuel cock ...................................................................... 4-16
Fuel gauge ..................................................................... 4-6
Fuel tank cap ................................................................ 4-14
Fuses, replacing ........................................................... 8-55HHandlebar switches ........................................................ 4-6
Headlight beam, adjusting ............................................ 8-60
Headlight bulb, replacing .............................................. 8-58
High-range indicator light ............................................... 4-2
U2LC60E0.book Page 1 Friday, March 8, 2013 1:18 PM