Page 17 of 400

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 ...................................6-15
Parking ................................................6-17
Parking on a slope ..............................6-19
Accessories and loading .....................6-21
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
What to do if .......................................7-75
What to do ..........................................7-75
67
PERIODIC MAINTENANCE AND
ADJUSTMENT ........................................ 8-1
Owner’s manual and tool kit ................. 8-3
Periodic maintenance/lubrication.......... 8-7
Panel removal and installation............ 8-17
Engine oil and oil filter cartridge ......... 8-21
Final gear oil ....................................... 8-31
Differential gear oil replacement ......... 8-39
Axle boots ........................................... 8-45
Spark plug inspection ......................... 8-47
Air filter element cleaning ................... 8-53
V-belt cooling duct check hose ........... 8-61
V-belt case drain plug ......................... 8-61
Carburetor adjustment ........................ 8-63
Idle speed adjustment ........................ 8-65
Valve clearance adjustment ............... 8-67
Select lever safety system cable
adjustment ........................................ 8-67
Throttle lever adjustment .................... 8-69
Front brake pad check ........................ 8-71
Rear brake shoe inspection ................ 8-71
Brake fluid level check ........................ 8-73
Brake fluid replacement ...................... 8-77
Front brake lever free play.................. 8-79
Rear brake pedal and lever
adjustment ........................................ 8-81
8
U5UH61.book Page 2 Tuesday, April 20, 2004 10:10 AM
Page 270 of 400

8-21 1. Engine oil filler cap
1. Bouchon de remplissage d’huile de moteur
1. Tapa de relleno de aceite de motor
1. Maximum level mark 2. Minimum level mark
1. Repère de niveau maximum 2. Repère de niveau minimum
1. Marca de nivel máximo 2. Marca de nivel mínimo
EBU14540
Engine oil and oil filter cartridge
The engine oil level should be checked before
each ride. In addition, the oil must be changed and
the oil filter cartridge replaced at the intervals
specified in the periodic maintenance and lubrica-
tion chart.
To check the engine oil level
1. Place the ATV on a level surface.
2. Start the engine, warm it up for several min-
utes, and then turn it off.
3. Wait a few minutes until the oil settles.
4. Remove the engine oil filler cap and wipe off
the dipstick with a clean rag.
5. Insert the dipstick in the oil filler hole (without
screwing it in), and then remove it again to
check the oil level.NOTE:_ The engine oil should be between the minimum
and maximum level marks. _
U5UH61.book Page 21 Tuesday, April 20, 2004 10:10 AM
Page 276 of 400
8-27 1. O-ring
1. Joint torique
1. Junta tórica
1. Torque wrench
1. Clé dynamométrique
1. Llave de apriete
5. Apply a light coat of engine oil to the O-ring of
the new oil filter cartridge.NOTE:_ Make sure the O-ring is seated properly. _6. Install the new oil filter cartridge with an oil fil-
ter wrench, and then tighten it to the specified
torque with a torque wrench.
7. Install the engine oil drain bolt, and then tight-
en it to the specified torque. Tightening torque:
Oil filter cartridge:
17 Nm (1.7 m·kgf)
Tightening torque:
Engine oil drain bolt:
23 Nm (2.3 m·kgf)
U5UH61.book Page 27 Tuesday, April 20, 2004 10:10 AM
Page 278 of 400
8-29
8. Add the specified amount of recommended
engine oil, and then install the engine oil filler
cap and tighten it.CAUTION:_
In order to prevent clutch slippage (since
the engine oil also lubricates the clutch),
do not mix any chemical additives. Do not
use oils with a diesel specification of “CD”
or oils of a higher quality than specified. In
addition, do not use oils labeled “ENERGY
CONSERVING II” or higher.
Make sure that no foreign material enters
the crankcase.
_
Recommended engine oil:
See page 10-2.
Oil quantity:
Without oil filter cartridge replacement:
2.2 L
With oil filter cartridge replacement:
2.3 L
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8-57
6. Squeeze the excess solvent out of the air fil-
ter element and let it dry.CAUTION:_ Do not twist the air filter element when squeez-
ing it. _7. Inspect the air filter element and replace it if
damaged.
8. Apply foam air filter oil to the air filter element.NOTE:_ The air filter element should be wet but not drip-
ping. _9. Pull the air filter element over its frame, and
then install the lock plate.
10. Install the air filter element assembly.
11. Install the air filter case cover by hooking the
fasteners onto the air filter case.
12. Install the seat.
U5UH61.book Page 57 Tuesday, April 20, 2004 10:10 AM
Page 379 of 400
10-2
10
Engine oil:
Type
Recommended engine oil classification API Service SE, SF, SG type or higher
Quantity:
Without oil filter cartridge replacement
With oil filter cartridge replacement2.2 L
2.3 L Model YFM350FA
-20˚ -10˚ 0˚
10˚20˚ 30˚40˚50˚C
10W/30
15W/4020W/4020W/50
10W/40
5W/30
CAUTION:
In order to prevent clutch slippage (since the en-
gine oil also lubricates the clutch), do not mix any
chemical additives. Do not use oils with a diesel
specification of “CD” or oils of a higher quality
than specified. In addition, do not use oils labeled
“ENERGY CONSERVING II” or higher.
U5UH61.book Page 2 Tuesday, April 20, 2004 10:10 AM