2019 YAMAHA KODIAK 450 check engine

8-66
8
EBU27696Troubleshooting chartsStarting problems or poor engine performance
Check the fuel level in
the fuel tank.1. Fuel
There is enough fuel.There is no fuel.
Check the battery.
Supply fuel.
The engine does not start.
Check the battery.
Operate the electric starter.4. Compression
There is compression.
There is no compression.
The engine does not start.
Have a Yamaha dealer check the ATV.
Remove the spark plug
and check the electrodes.3. Ignition
Wipe off with a dry cloth and correct the
spark plug gap, or replace the spark plug. Have a Yamaha dealer check the ATV.
The engine does not start.
Check the compression.
DryWet
Operate the electric starter.
Have a Yamaha dealer check the ATV.
The engine does not start.
Check the ignition.
Operate the electric starter.2. Battery
The engine turns over
quickly.
The engine turns over
slowly.
The battery is good.Check the battery lead connections,
and have a Yamaha dealer charge
the battery if necessary.
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8Engine overheating
WARNING
EWB02291Wait for the engine and radiator to cool before removing the radiator cap. You could be burned by
hot fluid and steam blown out under pressure. Always put a thick rag over the cap when opening.
Allow any remaining pressure to escape before completely removing the cap. TIP
Tap water can be used in an emergency. Change to the recommended coolant as soon as possible.
 The engine will tend to overheat if the radiator is caked with mud, or if the ATV is overloaded. Wait until the
engine has cooled.
Check the coolant level in the
reservoir and radiator.
The coolant level
is OK.The coolant level is low.
Check the cooling system
for leakage.
Have a Yamaha dealer check
and repair the cooling system.Add coolant. (See TIP.)
Start the engine. If the engine overheats again, have a
Yamaha dealer check and repair the cooling system.
There is
leakage.
There is
no leakage.
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INDEX
AAccessories and loading ................................................ 6-5
Accessories, DC jack ...................................................4-18
Air filter, cleaning ......................................................... 8-32
Axle boots .................................................................... 8-46BBattery .......................................................................... 8-52
Brake fluid, changing ...................................................8-41
Brake fluid level, checking ........................................... 8-39
Brake lever free play, checking the front ..................... 8-41
Brake lever, front ............................................................ 4-9
Brake levers, checking and lubricating ........................ 8-48
Brake light switches ..................................................... 8-47
Brake pads and friction plates, checking ..................... 8-39
Brake pedal and rear brake lever ................................... 4-9
Brake pedal, checking and lubricating ........................ 8-49
Brakes .......................................................................... 8-38
Brakes, front and rear .................................................... 5-3
Brake/tail light bulb, replacing ..................................... 8-62CCables, checking and lubricating ................................. 8-48
Carrier, front ................................................................. 4-15
Carrier, rear .................................................................. 4-15
Chassis fasteners ........................................................... 5-7
Cleaning ......................................................................... 9-1
Coolant ................................................................. 5-3, 8-28
Coolant temperature warning light ................................. 4-2DDifferential gear oil ......................................................... 5-3Differential gear oil, changing ...................................... 8-27
Display unit .................................................................... 4-4
Drive select lever .......................................................... 4-10
Drive select lever and driving in reverse ........................ 6-2
Drive shaft universal joint, lubricating .......................... 8-50
EEngine break-in .............................................................. 6-4
Engine oil ....................................................................... 5-3
Engine oil and oil filter cartridge .................................. 8-19
Engine stop switch ......................................................... 4-6
Engine trouble warning light .......................................... 4-2
EPS warning light (for EPS model) ................................. 4-3FFinal gear oil ......................................................... 5-3, 8-24
Four-wheel drive indicator light ..................................... 4-3
Four-wheel drive switch (On-Command 4WD) .............. 4-7
Fuel ...................................................................... 4-12, 5-3
Fuel tank cap ............................................................... 4-11
Fuses, replacing ........................................................... 8-55HHandlebar switches ....................................................... 4-6
Headlight beam, adjusting ........................................... 8-61
Headlight bulb, replacing ............................................. 8-58
Horn switch .................................................................... 4-7IIdentification numbers ................................................. 11-1
Indicator lights and warning lights ................................. 4-1
Instruments, lights and switches ................................... 5-7
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12
LLabel locations ............................................................... 1-1
Light switch .................................................................... 4-7MMain switch .................................................................... 4-1
Maintenance and lubrication chart ................................ 8-5
Maintenance chart, emission control system ................ 8-3
Model label .................................................................. 11-1NNeutral indicator light ..................................................... 4-2OOwner’s Manual and tool kit .......................................... 8-2PPanels, removing and installing ................................... 8-10
Park indicator light ......................................................... 4-2
Parking ........................................................................... 6-4
Parking on a slope ......................................................... 6-5
Part locations ................................................................. 3-1RRear brake, adjusting the lever and pedal ................... 8-41
Rear knuckle pivots, lubricating .................................. 8-51
Reverse indicator light ................................................... 4-2
Riding your ATV ............................................................. 7-1SSafety information .......................................................... 2-1
Seat .............................................................................. 4-13
Self-diagnosis device .................................................... 4-5
Shock absorber assemblies, adjusting the front and rear ............................................................................ 4-15
Spark arrester, cleaning ............................................... 8-35
Spark plug, checking ................................................... 8-17 Specifications .............................................................. 10-1
Speed limiter .................................................................. 4-8
Stabilizer bushes, checking ..........
............................... 8-50
Starting the engine ........................................................ 6-1
Start switch .................................................................... 4-6
Steering shaft, lubricating ............................................ 8-51
Storage .......................................................................... 9-2
Storage compartment .................................................. 4-14
TThrottle lever ........................................................... 4-8, 5-4
Throttle lever free play, adjusting ................................ 8-38
Tires ............................................................................... 5-4
Trailer hitch (for equipped models) .............................. 4-17
Troubleshooting ........................................................... 8-65
Troubleshooting charts ................................................ 8-66VValve clearance ............................................................ 8-38
V-belt case drain plug .................................................. 8-37
V-belt cooling duct check hose ................................... 8-36
Vehicle identification number ...................................... 11-1WWheel hub bearings, checking .................................... 8-49
Wheel, installing ........................................................... 8-63
Wheel, removing .......................................................... 8-63
Winch pre-wiring .......................................................... 4-18
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