2002 YAMAHA KODIAK 400 engine

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Page 332 of 432

YAMAHA KODIAK 400 2002  Owners Manual 8-73 1. Air filter element
1.Élément de filtre à air
1. Elemento del filtro de aire
1. Air filter guide
1. Guide de filtre à air
1. Filtro de aire guía
3. Remove the air filter element, and separ

Page 334 of 432

YAMAHA KODIAK 400 2002  Owners Manual 8-75 1. Connect the hose.
1. Brancher le flexible.
1. Conecte la manguera.
8. Reinstall the element to the element guide.
9. Reinstall the element assembly and parts re-
moved for access.NOTE:The air

Page 340 of 432

YAMAHA KODIAK 400 2002  Owners Manual 8-81
EBU00296
Carburetor adjustment
The carburetor is a vital part of the engine and re-
quires very sophisticated adjustment. Most adjust-
ing should be left to a Yamaha dealer who has the
profession

Page 342 of 432

YAMAHA KODIAK 400 2002  Owners Manual 8-83 1. Throttle stop screw
1. Vis d’arrêt de l’accélérateur
1. Tornillo de tope del acelerador
EBU00657
Idle speed adjustmentNOTE:A diagnostic tachometer must be used for this pro-
cedure.1. S

Page 344 of 432

YAMAHA KODIAK 400 2002  Owners Manual 8-85
EBU00303
Valve clearance adjustment
The correct valve clearance changes with use, re-
sulting in improper fuel/air supply or engine noise.
To prevent this, the valve clearance must be ad-
justed

Page 346 of 432

YAMAHA KODIAK 400 2002  Owners Manual 8-87 1. Locknut 2. Adjusting bolt
1. Contre-écrou 2. Bolhon de réglage
1. Contratuerca 2. Perno de ajuste
a. Free play
a. Jeu
a. Juego libre
EBU00307
Throttle lever adjustmentNOTE:Adjust the engine

Page 364 of 432

YAMAHA KODIAK 400 2002  Owners Manual 8-105
EBU00570
Cable inspection and lubrication
WARNING
Inspect cables frequently and replace if dam-
aged. Corrosion can result when the outer cov-
ering of control cables becomes damaged.
Cables can

Page 394 of 432

YAMAHA KODIAK 400 2002  Owners Manual 8-135
EBU00724Troubleshooting chart
Starting problems or poor engine performance1. Fuel
Check if there is fuel
in the fuel tank.There is fuel.Turn the fuel cock
lever to “OFF”.No fuel.Fuel cock is