oil level YAMAHA YFM600FWA 2001 Owners Manual

Switches ........................................... 5-21
Tires .................................................. 5-23
How to measure tire pressure ........ 5-27
Tire wear limit .................................. 5-29
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
Reverse lock release wire ................ 6-15
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 ................ 7-67
Sliding and skidding ........................ 7-69
What to do if ..................................... 7-73
What to do ........................................ 7-73
PERIODIC MAINTENANCE AND
ADJUSTMENT ....................................... 8-1
Owner’s manual and tool kit ............. 8-3
Periodic maintenance/
lubrication ........................................ 8-7
Engine oil .......................................... 8-15
Final gear oil ..................................... 8-25
Differential gear oil .......................... 8-29
Front axle boots ............................... 8-33
Spark plug inspection ...................... 8-35
Air filter cleaning.............................. 8-39
Carburetor adjustment .................... 8-45
Idle speed adjustment ..................... 8-47
Valve clearance adjustment ............ 8-49
Throttle lever adjustment ................ 8-49
Front brake pad inspection ............. 8-51
Rear brake shoe inspection ............. 8-51
Inspecting the brake fluid level ....... 8-53
Brake fluid replacement .................. 8-57
6
7
8

3-1
EBU00032
DESCRIPTION AND MACHINE
IDENTIFICATION
1. Storage box
2. Air filter
3. Fuel tank cap
4. Oil cooler / cooling fan
5. Reverse lock release
wire
6. Rear brake pedal
7. V-belt housing
8. Auxiliary DC connector
9. Drive select lever
10. Fuel cock
11. Rear shock absorber
12. Fuses13. Recoil starter
14. Engine oil level window
15. Oil filter
16. Rear brake lever
17. Left handlebar switches
18. Parking brake
19. Starter (choke) lever
20. Speedometer
21. Main switch
22. Fuel level gauge
23. On command four-
wheel drive switch
24. Throttle lever
25. Front brake lever
26. Horn
NOTE:
The machine you have purchased may differ
slightly from those shown in the figures of this
manual.

4-3
1. Four-wheel drive indicator light “4WD”
2. Reverse indicator light “REVERSE”
3. Neutral indicator light “NEUTRAL”
4. Oil temperature indicator light “OIL TEMP”
1. Témoin 4 × 4 “4WD”
2. Témoin de marche arrière “REVERSE”
3. Témoin de point mort “NEUTRAL”
4. Témoin d’avertissement de la température d’huile “OIL TEMP”
1. Luz de control del modo de tracción de cuatro
ruedas “4WD”
2. Luz de control de marcha atrás “REVERSE”
3. Luz de control de punto muerto “NEUTRAL”
4. Luz de aviso de la temperatura del aceite “OIL TEMP”
EBU00043
Indicator lights
EBU00044
Reverse indicator light “REVERSE”
This indicator light comes on when the trans-
mission is in reverse.
EBU00045
Neutral indicator light “NEUTRAL”
This indicator light comes on when the trans-
mission is in neutral.
EBU00732
Oil temperature warning light “OIL TEMP”
When the oil temperature reaches a specified
level, this light comes on to warn that the en-
gine oil temperature is too hot. If the warning
light comes on during operation, stop the en-
gine as soon as it is safe to do so and allow the
engine to cool down for about 10 minutes.
CAUTION:
●The engine may overheat if the ATV is
overloaded. If this happens, reduce the
load to specification.
●Restart after making sure that the warn-
ing light is out. Continuous use while the
warning light is on may cause damage to
the engine.

5-1
EBU00113
PRE-OPERATION CHECKS
Before using this machine, check the following points:
ITEM ROUTINE PAGE
Front brake• Check operation, free play, fluid level and fluid leakage.
• Fill with DOT 4 (or DOT 3) brake fluid if necessary.5-7 ~ 5-9,
8-51 ~ 8-67
Rear brake• Check operation and free play.
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,
8-15 ~ 8-23
Final gear oil/
Differential gear oil• Check for leakage. 5-19, 8-25 ~ 8-33
Throttle• Check for proper throttle cable operation. 5-19, 8-49
Wheels and tires• Check tire pressure, wear and damage.5-23 ~ 5-29,
8-71 ~ 8-73
Fittings and Fasteners• Check all fittings and fasteners. 5-21
Lights• Check for proper operation. 5-21, 8-83
Front axle boots• Check for damage. 8-33

5-19
EBU00495
Final gear oil/Differential gear oil
Make sure the final gear oil/differential gear oil
is at the specified level. Add oil as necessary.
(See pages 8-25 ~ 8-33.)
If desired, an SAE 80W90 hypoid gear oil may
be used for all conditions.
NOTE:
GL-4 is a quality and additive rating. GL-5 or
GL-6 rated hypoid gear oils may also be used.
EBU00151
Throttle lever
Check to see that the throttle lever operates
correctly. It must open smoothly and spring
back to idle position when released. Repair as
necessary for proper operation.Recommended oil:
SAE 80 API GL-4 Hypoid gear oil

8-7
EBU00262
PERIODIC MAINTENANCE/LUBRICATION
ITEM ROUTINEINITIAL EVERY
1
month3
months6
months6
months1
year
Valves*• Check valve clearance.
• Adjust if necessary.
Spark plug• Check condition.
• Adjust gap and clean.
• Replace if necessary.
Air filter• Clean.
• Replace if necessary.Every 20~40 hours
(More often in wet or dusty areas.)
Carburetor*• Check idle speed/starter operation.
• Adjust if necessary.
Crankcase breather
system*• Check breather hose for cracks or damage.
• Replace if necessary.
Exhaust system*• Check for leakage.
• Retighten if necessary.
• Replace gasket(s) if necessary.
Fuel line*• Check fuel hose for cracks or damage.
• Replace if necessary.
Engine oil• Replace (Warm engine before draining).
Engine oil filter• Replace.
Engine oil strainer*• Clean.
Final gear oil• Check oil level/oil leakage.
• Replace every 12 months.
Differential gear oil
Front brake*• Check operation/fluid leakage/see NOTE page 8-8.
• Correct if necessary.
Rear brake*• Check operation.
• Adjust if necessary.
V-belt*• Check operation.
• Check for cracks or damage every 12 months or
2,400 km whichever comes first.

8-8
* It is recommended that these items be serviced by a Yamaha dealer.
** Lithium-soap-based grease
NOTE:
Recommended brake fluid: DOT 4
(If DOT 4 is not available, DOT 3 can be used.)
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.
Reverse lock release
wire*• Check operation.
• Adjust if necessary.
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.
Drive shaft universal
joint*• Lubricate every 6 months.**
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

8-15
EBU00537
Engine oil
1. Engine oil level measurement
a. Place the machine on a level place.
b. Warm up the engine for several minutes
and stop it.
c. With the engine stopped, check the oil lev-
el through the level window located at the
lower part of the left side crankcase cover.
NOTE:
Wait a few minutes until the oil level settles be-
fore checking.
d. The oil level should be between the maxi-
mum and minimum marks. If the level is
low, fill engine with sufficient oil to raise it
to the specified level.
CAUTION:
Be sure no foreign material enters the crank-
case.
1. Level window 2. Minimum level mark
3. Maximum level mark
1. Hublot de contrôle du niveau 2. Repère de niveau minimum
3. Repère de niveau maximum
1. Ventanilla de nivel de aceite 2. Marca de nivel mínimo
3. Marca de nivel máximo

8-17
2. Engine oil and oil filter replacement
a. Place the machine on a level place.
b. Remove the screw and the left side cover.
c. Warm up the engine for several minutes
and stop it.
d. Place a container under the engine and re-
move the oil filler cap.
1. Screw (× 3) 2. Cover
1. Vis (× 3) 2. Cache
1. Tornillo (× 3) 2. Tapa
1. Oil filler cap
1. Bouchon de remplissage d’huile
1. Tapa del orificio de llenado de aceite

8-25
EBU00705
Final gear oil
Final gear oil measurement
1. Place the machine on a level place.
2. Remove the oil filler bolt and check the oil
level. It should be up to the brim of the
hole. If the level is low, add oil to raise it to
the proper level.
CAUTION:
Be sure no foreign material enters the final
gear case.
3. Install the oil filler bolt and tighten to the
specified torque.
Final gear oil replacement
1. Remove the final gear case cover.
2. Place the machine on a level place.
3. Place a container under the final gear
case. Tightening torque:
Oil filler bolt:
23 Nm (2.3 m·kg)
1. Filler bolt
2. Correct oil level
1. Boulon de l’orifice de remplissage
2. Niveau d’huile correct
1. Perno del orificio de llenado
2. Nivel de aceite correcto
1. Bolt (× 2)1. Boulon (× 2)1. Perno (× 2)