2022 YAMAHA KODIAK 450 engine coolant

EBU17421
TABLE OF CONTENTS
VEHICLE IDENTIFICATION ............................ 1-1Identification numbers ................................ 1-1
LOCATION OF THE WARNING AND
SPECIFICATION LABELS .............................. 2-1
SAFETY INFORMATION ................................ 3-1
DESCRIPTION................................................ 4-1 Left view ...................................................... 4-1
Right view.................................................... 4-1
Controls and instruments............................ 4-2
INSTRUMENT AND CONTROL
FUNCTIONS ................................................... 5-1 Main switch ................................................. 5-1
Indicator lights and warning lights .............. 5-1
Display unit ................................................. 5-4
Handlebar switches .................................... 5-7
Throttle lever ............................................. 5-13
Speed limiter ............................................. 5-13
Front brake lever ....................................... 5-14
Brake pedal and rear brake lever .............. 5-14
Drive select lever ....................................... 5-15 Fuel tank cap ............................................ 5-16
Fuel ........................................................... 5-17
Seat .......................................................... 5-18
Storage compartment............................... 5-19
Front carrier .............................................. 5-20
Rear carrier ............................................... 5-20
Front and rear shock absorbers .............. 5-20
Winch ....................................................... 5-22
Trailer hitch (equipped models) ................ 5-23
Auxiliary DC jack....................................... 5-24
PRE-OPERATION CHECKS .......................... 6-1 Fuel ............................................................. 6-3
Engine oil .................................................... 6-3
Final gear oil ............................................... 6-3
Differential gear oil ...................................... 6-3
Coolant ....................................................... 6-3
Front and rear brakes ................................. 6-3
Throttle lever ............................................... 6-4
Tires ............................................................ 6-4
Chassis fasteners ....................................... 6-7
Instruments, lights and switches ................ 6-7UBHT60E0.book Page 1 Wednesday, August 4, 2021 8:09 AM

OPERATION ................................................... 7-1Starting the engine ...................................... 7-1
Operating the drive select lever and driving in reverse ....................................... 7-2
Engine break-in ........................................... 7-4
Parking ........................................................ 7-4
Parking on a slope ...................................... 7-5
Accessories and loading ............................. 7-5
RIDING YOUR ATV ........................................ 8-1 GETTING TO KNOW YOUR ATV ................ 8-2
RIDE WITH CARE AND GOOD JUDGMENT .............................................. 8-2
BE CAREFUL WHERE YOU RIDE ............... 8-9
TURNING YOUR ATV................................ 8-12
CLIMBING UPHILL ................................... 8-13
RIDING DOWNHILL .................................. 8-16
CROSSING A SLOPE................................ 8-17
CROSSING THROUGH SHALLOW WATER .................................................... 8-18
RIDING OVER ROUGH TERRAIN ............. 8-20
SLIDING AND SKIDDING.......................... 8-21
WHAT TO DO IF... ..................................... 8-22
PERIODIC MAINTENANCE AND
ADJUSTMENT................................................ 9-1 Owner’s Manuals and Tool Kit .................... 9-2 Periodic maintenance chart: Emission
control system .......................................... 9-3
Periodic maintenance chart: General maintenance and lubrication .................... 9-5
Removing and installing panels ................ 9-10
Checking the spark plug........................... 9-17
Engine oil and oil filter cartridge ............... 9-19
Why Yamalube ......................................... 9-23
Final gear oil ............................................. 9-24
Changing the differential gear oil .............. 9-27
Coolant ..................................................... 9-29
Cleaning the air filter ................................. 9-33
Cleaning the spark arrester ...................... 9-36
V-belt cooling duct check hose ................ 9-37
V-belt case drain plug............................... 9-37
Adjusting the throttle lever free play ......... 9-38
Valve clearance......................................... 9-39
Brakes....................................................... 9-39
Checking the front brake pads and rear brake friction plates ................................ 9-40
Checking the brake fluid level .................. 9-40
Changing the brake fluid .......................... 9-42
Checking the front brake lever free play... 9-42
Adjusting the rear brake lever and brake pedal ....................................................... 9-42
Axle boots................................................. 9-47
Brake light switches ................................. 9-48UBHT60E0.book Page 2 Wednesday, August 4, 2021 8:09 AM

4-1
4
EBU17681
DESCRIPTION
EBU17691Left view
EBU17701Right view
1. Radiator cap
2. Air filter
3. Battery
4. Fuses
5. Brake/tail light
6. Engine oil filler cap
7. Oil filter cartridge
8. Coolant reservoir
9. V-belt cooling duct check hose
1
2
3
4
5
9
7
8
6
1. Spark arrester
2. Storage compartment and tool kit
3. Fuel tank cap
4. Spark plug
5. Auxiliary DC jack
6. Front shock absorber
7. Winch
8. Rear brake light switch
9. Brake pedal
10.V-belt case drain plug
11.Rear shock absorber111
7
2
3
4
56
8
10
9
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5-1
5
EBU17739
INSTRUMENT AND CONTROL FUNCTIONS
EBU29913Main switch“” (on)
All electrical systems are supplied with power. The
engine can be started. The key cannot be re-
moved.
“ ” (off)
All electrical systems are off. The key can be re-
moved.
EBU26699Indicator lights and warning lightsFor non-differential gear lock models
OFF ON
1. Neutral indicator light “N”
2. Reverse indicator light “R”
3. Park indicator light “P”
4. Coolant temperature warning light “ ”
5. Engine trouble warning light “ ”
6. Four-wheel drive indicator light “ ”1
2
34
5
6
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5-2
5For differential gear lock models
EBU17861Neutral indicator light “ ”
This indicator light comes on when the transmis-
sion is in the neutral position.
EBU17831Reverse indicator light “ ”
This indicator light comes on when the transmis-
sion is in the reverse position.EBU17971Park indicator light “ ”
This indicator light comes on when the transmis-
sion is in the park position.EBU34562Coolant temperature warning light “ ”
This warning light comes on when the engine
overheats. When this occurs during operation,
stop the engine as soon as it is safe to do so and
allow it to cool down for about 10 minutes.
The electrical circuit of the warning light can be
checked by turning the key to “ ” (on). The
warning light should come on for a few seconds,
and then go off.
If the warning light does not come on initially when
the key is turned to “ ” (on), or if the warning
light remains on, have a Yamaha dealer check the
electrical circuit.TIPThe radiator fan turns on or off automatically ac-
cording to the coolant temperature.
1. Neutral indicator light “N”
2. Reverse indicator light “R”
3. Park indicator light “P”
4. Coolant temperature warning light “ ”
5. Electric Power Steering warning light “EPS”
6. Engine trouble warning light “ ”
7. Four-wheel drive indicator light “ ”
8. Differential gear lock indicator light “ ” 1
2
3
4
6
7
8
5
DIFF.LOCK
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6-1
6
EBU19203
PRE-OPERATION CHECKS
EBU19227Inspect 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
EWB00482Failure 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:
ITEMROUTINE PAGE
Fuel • Check fuel level in fuel tank,
and add recommended fuel if neces-
sary.
• Check fuel line for leakage. Correct if necessary. 5-17, 6-3
Engine oil • Check oil level in engine, and add recommended oil to specified
level if necessary.
• Check ATV for oil leakage. Correct if necessary. 6-3, 9-19
Final gear oil • Check ATV for oil leakage. Correct if necessary. 6-3, 9-24
Differential gear oil • Check ATV for oil leakage. Correct if necessary. 6-3, 9-27
Coolant • Check coolant level in reservoir, and add recommended coolant to
specified level if necessary.
• Check cooling system for leakage. Correct if necessary. 6-3, 9-29
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6-3
6
EBU38000FuelMake sure there is sufficient gasoline in the tank
before starting off. Refuel if necessary. (See page
5-17.)EBU19561Engine oilMake sure that the engine oil is at the specified
level. Add oil as necessary. (See page 9-19.)EBU19591Final gear oilMake sure that the final gear oil is at the specified
level. Add oil as necessary. (See page 9-24.)EBU19601Differential gear oilMake sure that the differential gear oil is at the
specified level. Add oil as necessary. (See page
9-27.)EBU19632CoolantMake sure that the coolant is at the specified level.
Add coolant as necessary. (See page 9-29.)
TIPThe coolant level must be checked on a cold en-
gine since the level varies with engine tempera-
ture. EBU28533Front and rear brakesBrake levers and brake pedal
Check that there is no free play in the front
brake lever. If there is free play, have a Yamaha
dealer check the brake system.
 Check for correct free play in the rear brake le-
ver and brake pedal. If the free play is incorrect,
adjust it. (See page 9-42.)
 Check operation of the levers and pedal. They
should move smoothly and there should be a
firm feeling when the brake is applied. If not,
have a Yamaha dealer check them.
Brake fluid level (front brake)
Check the brake fluid level. Add fluid if necessary.
(See page 9-40.)
Specified brake fluid:DOT 4
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7-1
7
EBU19882
OPERATION
EBU19902Read the Owner’s Manual carefully before riding
the ATV. If there is a control or function you do not
understand, ask your Yamaha dealer.
WARNING
EWB00632Read the Owner’s Manual carefully to become
familiar with all controls in order to help pre-
vent any loss of control, which could cause an
accident or injury. EBU30564Starting the engineThis model is equipped with an ignition circuit cut-
off system. To enable starting one of the following
conditions must be met:
The drive select lever is in the neutral or park po-
sition.
 The rear brake lever or brake pedal is applied.TIPIt is recommended to shift into neutral or park and
apply the rear brake when starting the engine.
NOTICEECB00151See the “Engine break-in” section on page 7-4
prior to operating the engine for the first time. To start the engine
1. Turn the key to “ ” (on) and the engine stop switch to “ ” (run).
The coolant temperature warning light and
the engine trouble warning light should
come on for a few seconds, then go off.
 For EPS-equipped models, the electric
power steering warning light should come
on and stay on until the engine is started.NOTICEECB00826To avoid possible damage, do not operate the
ATV if a warning light does not work as de-
scribed above. 2. Apply the brake pedal, then shift the drive se-
lect lever into the neutral or park position. The
corresponding indicator light should come
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