2001 YAMAHA YFM400F belt

Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600TOC-
EL
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
Cable inspection and
lubrication ..................................... 8-103
Brake lever and brake pedal
lubrication ..................................... 8-105
Wheel removal ............................... 8-107
Wheel installation........................... 8-109
Battery ............................................. 8-111
Battery maintenance ...................... 8-115
Fuse replacement ........................... 8-117
Replacing the headlight bulb ........ 8-121
Headlight beam adjustment .......... 8-125
Taillight bulb replacement............. 8-127
Troubleshooting ............................. 8-129
Troubleshooting chart ................... 8-131CLEANING AND STORAGE................... 9-1
A. Cleaning ......................................... 9-1
B. Storage ........................................... 9-7
SPECIFICATIONS ................................. 10-1
HOW TO USE THE CONVERSION
TABLE ................................................... 11-1
91011

3-1
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600-3.frame
EL
EBU00032
DESCRIPTION AND MACHINE
IDENTIFICATION
1. 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. Fuses13. V-belt cooling duct
check hose
14. Coolant reservoir
15. Oil filter cartridge
16. Engine oil dipstick
17. Rear brake lever
18. Left handlebar switches
19. Starter (choke)
20. Horn switch
21. Drive select lever
22. Speedometer
23. Main switch
24. Fuel tank cap
25. Auxiliary DC jack
26. Right handlebar switch
27. Throttle lever
28. Front brake lever
NOTE:

The machine you have purchased may differ
slightly from those shown in the figures of this
manual.

7-65
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600-7.frame
EL
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 op-erated in salt water or muddy conditions.
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

7-67
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600-7.frame
EL
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
selección de marcha1. 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)

Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600-8.frame
ER
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.

Front 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

8-77
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600-8.frame
EL
EBU00641
V-belt cooling duct check hose
If dust or water collects in this hose, remove
the hose and clean it.
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)

8-79
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600-8.frame
EL
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)

Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600SPEC-
ER
10-4
Spark plug:
Type/manufacturer DR8EA-9 / 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:
Type Tubeless
Size (front) AT25
´
8 - 12
(rear) AT25
´
10 - 12 Model YFM400FA / YFM400FWAN