2001 YAMAHA YFM400F boot

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Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B061_YFM400FWA-61:YFM600TOC-
Lights ................................................ 5-23
Switches ........................................... 5-23
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
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 ............................... 7-59Crossing through shallow
water ............................................... 7-63
Riding over rough terrain ................ 7-69
Sliding and skidding ........................ 7-71
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
Front axle boots ............................... 8-63
Spark plug ........................................ 8-65
Air filter cleaning.............................. 8-71
67
8

2-3
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l
Never carry passenger on an ATV.
l
Always avoid operating an ATV on any
paved surfaces, including sidewalks, drive-
ways, parking lots and streets.
l
Never operate an ATV on any public street,
road or highway, even a dirt or gravel one.
l
Never operate an ATV without wearing an
approved motorcycle helmet that fits prop-
erly. You should also wear eye protection
(goggles or face shield), gloves, boots,
long-sleeved shirt or jacket, and long pants.
l
Never consume alcohol or drugs before or
while operating this ATV.
l
Never operate at speeds too fast for your
skills or the conditions. Always go at a
speed that is proper for the terrain, visibility
and operating conditions, and your experi-
ence.
l
Never attempt wheelies, jumps, or other
stunts.

5-1
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EBU00113
PRE-OPERATION CHECKS
Before using this machine, check the following points:
ITEM ROUTINE PAGE
Brakes
• Check operation, free play, fluid level and fluid leakage.
• Fill with DOT 4 brake fluid if necessary.5-7 ~ 5-9,
8-91 ~ 8-95
Fuel
• Check fuel level.
• Fill with fuel if necessary.5-11 ~ 5-13
Engine oil
• Check oil level.
• Fill with oil if necessary.5-15 ~ 5-17,
8-31 ~ 8-41
Coolant reservoir
• Check coolant level.
• Fill with coolant if necessary.8-53 ~ 8-63
Final gear oil/
Differential gear oil
• Check for leakage. 5-19, 8-41 ~ 8-51
Throttle
• Check for proper throttle cable operation. 5-21, 8-87
Wheels and tires
• Check tire pressure, wear and damage.5-25 ~ 5-31,
8-107 ~ 8-109
Fittings and Fasteners
• Check all fittings and fasteners. 5-21
Lights
• Check for proper operation. 5-23, 8-121 ~ 8-127
Front axle boots
• Check for damage. 8-63

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1. Protective clothing 2. Goggles
3. Gloves 4. Boots
5. Helmet
1. Vêtement de protection 2. Lunettes
3. Gants 4. Bottes
5. Casque
1. Vestimenta adecuada 2. Gafas
3. Guantes 4. Botas
5. Homologado
Apparel
Always wear an approved helmet that fits
properly.
You should also wear:
eye protection
(goggles or face shield)
gloves
boots
long-sleeved shirt or jacket
long pants
WARNING

Never operate this ATV without wearing an
approved motorcycle helmet, eye protection
and protective clothing. Operating without an
approved motorcycle helmet increases your
chances of a severe head injury or death in the
event of an accident. Operating without eye
protection can result in an accident and in-
creases your chances of a severe injury in the
event of an accident. Operating without pro-
tective clothing increases your chances of se-
vere injury in the event of an accident.

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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

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12. Install the radiator cap.
13. Run the engine several minutes. Stop the
engine and recheck the coolant level in
the radiator. If it is low, add more coolant
until it reaches the top of the radiator.
14. Fill the reservoir tank with coolant up to
maximum level.
15.Install the reservoir tank cap and check for
coolant leakage.NOTE:If any leakage is found, ask a Yamaha dealer toinspect the cooling system.
16. Install the panel and the front carrier.
EBU00283
Front axle boots
Check the protective boots for holes or tears. If
any damage is found, have them replaced by a
Yamaha dealer.
1. Front axle boot (´ 2 each side)
1. Soufflet d’axe avant (´ 2 de chaque côté)
1. Guardapolvo de eje delantero (´ 2 en cada lado)