2022 YAMAHA KODIAK 450 engine

5-16
5
EBU37980Fuel tank capRemove the fuel tank cap by turning it counter-
clockwise.
WARNING
EWB02522Gasoline and gasoline vapors are extremely
flammable. To avoid fires and explosions and
to reduce the risk of injury when refueling, fol-
low these instructions. 1. Before refueling, turn off the engine and besure that no one is sitting on the vehicle. Nev-
er refuel while smoking, or while in the vicinity of sparks, open flames, or other sources of
ignition such as the pilot lights of water heat-
ers and clothes dryers.
2. Do not overfill the fuel tank. When refueling, be sure to insert the pump nozzle into the fuel
tank filler hole. Stop filling when the fuel
reaches the bottom of the filler tube. Because
fuel expands when it heats up, heat from the
engine or the sun can cause fuel to spill out of
the fuel tank.1. Fuel tank cap
1
1. Fuel tank filler tube
2. Maximum fuel level
1
2
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5-18
5About the recommended fuel
This model’s engine has been designed to use
regular unleaded gasoline. The research octane
number should be 91 or higher. If knocking or
pinging occurs, try a gasoline of a different brand
or higher octane.
TIPGasoline containing ethanol can be used if the
ethanol content does not exceed 10% (E10). Gas-
oline containing methanol is not recommended
because it can cause damage to the fuel system
or vehicle performance problems. NOTICEECB00071Use only unleaded gasoline. The use of leaded
gasoline will cause severe damage to internal
engine parts, such as the valves and piston
rings, as well as to the exhaust system.
EBU34141SeatTo remove the seat
Pull up the seat at the rear, and then pull the seat
rearward.1. Seat
1
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5
a safe distance away. Use hook strap to keep
hands away from fairlead when winding the
winch rope.
NOTICEECBM0051Prolonged winching can overheat the winch
motor and can drain the vehicle’s battery, even
when the engine is idling. Allow the winch mo-
tor to cool and the battery to recharge between
uses. EBU28972Trailer hitch (equipped models)This ATV is equipped with a 5 cm (2 in) trailer hitch
receiver.
Trailer towing equipment can be obtained at a
Yamaha dealer. (See page 7-6 for precaution in- formation.)
1. Trailer hitch receiver
1
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5
EBU19187Auxiliary DC jackNOTICEECB03760Do not use any single electrical accessory or
combination of accessories that require more
than the stated capacity at any one time. This
may overload the circuit and cause the fuse to
blow.
TIPWhen using a winch or other electrical accesso-
ries, the power taken from the DC jack must be re-
duced accordingly. A 12-V accessory, such as a work light or radio
with the proper adapter, can be used when the
main switch is turned on. However, to prevent bat-
tery drain, use when the engine is running and the
headlights are turned off.1. Start the engine.
2. Turn the headlights off.
3. Make sure the accessory is powered off.
4. Open the auxiliary DC jack cap.
5. Insert the accessory power plug into the jack.
6. Turn the accessory on.TIP Turn off the accessory before plugging into/un-
plugging from the jack.
 When the auxiliary DC jack is not being used,
cover it with the cap.
1. Auxiliary DC jack cap
2. Auxiliary DC jackAuxiliary DC jack system capacity:
8.0 A (96 W)
1
2
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5
NOTICEECB00122If accessories are used with the engine off or
with the headlights on, the battery may dis-
charge to the point that the engine will not
start.
 Do not use an automotive cigarette lighter or
other accessory with a plug that gets hot.
The DC jack may be damaged. UBHT60E0.book Page 25 Wednesday, August 4, 2021 8:09 AM

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
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
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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