2002 YAMAHA KODIAK 400 belt

Tires ...................................................5-25
How to measure tire pressure ............5-29
Tire wear limit .....................................5-31
OPERATION ...........................................6-1
Starting a cold engine ..........................6-3
Starting a warm engine ........................6-9
Warming up ..........................................6-9
Drive select lever operation and
reverse driving ..................................6-11
Engine break-in ..................................6-17
Parking ...............................................6-19
Parking on a slope .............................6-21
Accessories and loading ....................6-23
Loading ..............................................6-27
RIDING YOUR ATV..................................7-1
Getting to know your ATV .....................7-3
Ride with care and good judgement .....7-5
Be careful where you ride ...................7-27
Turning your ATV ................................7-39
Climbing uphill.....................................7-45
Riding downhill ....................................7-55
Crossing a slope .................................7-59
Crossing through shallow water ..........7-63
Riding over rough terrain ....................7-69
Sliding and skidding ............................7-71
67
What to do if ... ................................... 7-75
What to do ... ...................................... 7-75
PERIODIC MAINTENANCE AND
ADJUSTMENT ........................................ 8-1
Owner’s manual and tool kit ................ 8-3
Periodic maintenance/lubrication ......... 8-7
Panel removal and installation ........... 8-15
Engine oil ............................................ 8-31
Final gear oil ....................................... 8-41
Differential gear oil ............................. 8-47
Cooling system .................................. 8-53
Changing the coolant.......................... 8-57
Axle boots ........................................... 8-63
Spark plug inspection ........................ 8-65
Air filter cleaning ................................ 8-71
V-belt cooling duct check hose .......... 8-77
Carburetor adjustment ....................... 8-81
Idle speed adjustment ....................... 8-83
Valve clearance adjustment .............. 8-85
Throttle lever adjustment ................... 8-87
Front brake pad inspection ................ 8-89
Rear brake pad inspection ................. 8-89
Inspecting the brake fluid level .......... 8-91
Brake fluid replacement ...................... 8-95
Front brake adjustment ...................... 8-97
Rear brake lever adjustment ............. 8-99
8
U5GH62.book Page 2 Monday, August 6, 2001 9:09 AM

3-1
EBU00032
DESCRIPTION AND MACHINE
IDENTIFICATION1. Rear spring preload
adjusting ring
2. Storage box and tool kit
3. Spark plug
4. Rear brake fluid reservoir
5. Radiator cap
6. Front spring preload
adjusting ring
7. V-belt case
8. Rear brake pedal
9. Front spring preload
adjusting ring
10. Fuel cock
11. Air filter case
12. Fuses
13. Tail/brake light14. V-belt cooling duct check
hose
15. Coolant reservoir
16. Oil filter cartridge
17. Engine oil dipstick
18. Rear brake lever
19. Left handlebar switches
20. Starter (choke)
21. Horn switch
22. Drive select lever
23. Speedometer
24. Main switch
25. Fuel tank cap
26. Auxiliary DC jack
27. Right handlebar switch
28. Throttle lever
29. Front brake leverNOTE:The machine you have purchased may differ
slightly from those shown in the figures of this
manual.
U5GH62.book Page 1 Monday, August 6, 2001 9:09 AM

7-65
1. Air filter case check hose
1. Flexible de contrôle du boîtier de filtre à air
1. Manguera de comprobación de la caja del filtro de aire
Test your brakes after leaving the water. Do not
continue to ride your ATV without verifying that
you have regained proper braking ability.CAUTION:_ After riding your ATV in water, be sure to drain
the trapped water by removing the check hose
at the bottom of the air filter case and the
check hose on the V-belt cooling duct. Wash
the ATV in fresh water if it has been operated in
salt water or muddy conditions. _
U5GH62.book Page 65 Monday, August 6, 2001 9:09 AM

7-67 1. V-belt cooling duct check hose (Left front side of ATV)
1. Flexible de contrôle du conduit de refroidissement de la courroie
trapézoïdale (côté avant gauche du VTT)
1. Manguera de comprobación del conducto de enfriamiento de
la correa trapezoidal (lado frontal izquierdo del ATV)
1. Drive select lever box check hose
1. Flexible de contrôle du boîtier du levier de présélection
1. Manguera de comprobación de la caja de la palanca de selec-
ción de marcha
1. V-belt cooling intake box check hose
(Above V-belt cooling duct)
1. Flexible de contrôle du boîtier d’admission d’air de
refroidissement de la courroie trapézoïdale (au-dessus du conduit
de refroidissement de la courroie trapézoïdale)
1. Manguera de comprobación de la caja de admisión de
enfriamiento de la correa trapezoidal (encima delconducto de
enfriamiento de la correa trapezoidal)
U5GH62.book Page 67 Monday, August 6, 2001 9:09 AM

8-8
* It is recommended that these items be serviced by a Yamaha dealer.NOTE:Recommended brake fluid: DOT 4
Brake fluid replacement:
1. When disassembling the master cylinder or caliper cylinder, replace the brake fluid. Normally check
the brake fluid level and add fluid as required.
2. On the inner parts of the master cylinder and caliper cylinder, replace the oil seals every two years.
3. Replace the brake hoses every four years, or if cracked or damaged.V-belt*•Check operation.
•Check for cracks or damage every 12 months or
2,400 km whichever comes first.Wheels*•Check balance/damage/runout.
•Repair if necessary.Wheel bearing*•Check bearing assemblies for looseness/damage.
•Replace if damaged.Front and rear
suspension*•Check operation.
•Correct if necessary.Steering system*•Check operation/Replace if damaged.
•Check toe-in/Adjust if necessary.Axle boots*•Check operation.
•Replace if damaged.Fittings and Fasteners*•Check all chassis fittings and fasteners.
•Correct if necessary.
ITEM ROUTINEINITIAL EVERY
1
month3
months6
months6
months1
year
U5GH62.book Page 8 Monday, August 6, 2001 9:09 AM

8-77 1. V-belt cooling duct check hose (Left front side of ATV)
1. Flexible de contrôle du conduit de refroidissement de la courroie
trapézoïdale (à l’avant gauche du VTT)
1. Manguera de comprobación del conducto de enfriamiento de
la correa trapezoidal (lado frontal izquierdo del ATV)
EBU00641
V-belt cooling duct check hose
If dust or water collects in this hose, remove the
hose and clean it.
U5GH62.book Page 77 Monday, August 6, 2001 9:09 AM

8-79 1. V-belt cooling intake box check hose
(Above V-belt cooling duct)
1. Flexible de contrôle du boîtier d’admission d’air de
refroidissement de la courroie trapézoïdale (au-dessus du conduit
de refroidissement de la courroie trapézoïdale)
1. Manguera de comprobación de la caja de admisión de
enfriamiento de la correa trapezoidal
(encima del conducto de enfriamiento de la correa
trapezoidal)
U5GH62.book Page 79 Monday, August 6, 2001 9:09 AM

10-4
Spark plug:
Type/manufacturer DR8EA / NGK
Spark plug gap 0.6 ~ 0.7 mm
Clutch type Wet, centrifugal automatic
Transmission:
Primary reduction system V-belt
Secondary reduction system Spur gear
Secondary reduction ratio 39/24
× 24/18
× 33/9 (7.944)
Transmission type V-belt automatic
Operation Left hand operation
Reverse gear 29/17 (1.706)
Sub transmission ratio low 45/16 (2.813)
high 38/23 (1.652)
Chassis:
Frame type Steel tube frame
Caster angle 4°
Trail 21 mm
Tire:
Ty p e T u b e l e s s
Size (front) AT25
×8 - 12
(rear) AT25
× 10 - 12 Model YFM4FAP
U5GH62.book Page 4 Monday, August 6, 2001 9:09 AM