2001 YAMAHA WARRIOR 350 oil filter

ER
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B067_YFM350X-60:YFM350TOC-E.frame
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
Shifting ............................................. 6-15
To start out and accelerate .............. 6-17
To decelerate .................................... 6-21
Engine break-in ................................ 6-23
Parking .............................................. 6-27
Parking on a slope ........................... 6-29
Accessories and loading ................. 6-31
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 ................ 7-67Sliding 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
Spark plug inspection ...................... 8-25
Air filter cleaning.............................. 8-29
Carburetor adjustment .................... 8-33
Idle speed adjustment ..................... 8-35
Valve clearance adjustment ............ 8-37
Throttle lever adjustment ................ 8-37
Front and rear brake pad
inspection ....................................... 8-39
Inspecting the brake fluid level ....... 8-41
Brake fluid replacement .................. 8-45
Front brake lever free play
adjustment ..................................... 8-47
Rear brake adjustment .................... 8-49
Parking brake adjustment ............... 8-51
Clutch lever free play adjustment... 8-55
Drive chain slack check.................... 8-57
Drive chain slack adjustment .......... 8-59
67
8

5-15
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B067_YFM350X-60:YFM350-5.frame
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CAUTION:

Be sure to use motor oils that do not contain
anti-friction modifiers. Passenger car motor
oils (often labeled “Energy Conserving”) con-
tain anti-friction additives which will cause
clutch and/or starter clutch slippage, resulting
in reduced component life and poor engine
performance.
EBU00498
Chain
Check the general condition of the chain and
check the chain slack before every ride. Lubri-
cate and adjust the chain as necessary. (See
pages 8-57 ~ 8-61 for details.)Oil quantity:
Total amount:
3.2 L
Periodic oil change:
2.4 L
With oil filter replacement:
2.5 L

8-7
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B067_YFM350X-60:YFM350-8.frame
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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 if necessary.
Fuel line*
• Check fuel hose for cracks or damage.
• Replace if necessary.
Engine oil
• Replace (Warm engine before draining).
Engine oil filter
• Clean.
• Replace if necessary.
Engine oil strainer
• Clean.
Drive chain
• Check and adjust slack/alignment/clean/lube.
Brakes*
• Check operation/fluid leakage/see NOTE page 8-8.
• Correct if necessary.
Clutch*
• Check operation.
• Adjust if necessary.
Wheels*
• Check balance/damage/runout.
• Replace if necessary.

8-17
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B067_YFM350X-60:YFM350-8.frame
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1. Drain bolt 2. O-ring
3. Compression spring 4. Oil strainer
1. Boulon de vidange 2. Joint torique
3. Ressort de compression 4. Crépine à huile
1. Perno de vaciado 2. Junta tórica
3. Muelle de compresión 4. Tamiz de aceite
Engine oil replacement and oil filter element
cleaning
1. Place the ATV on a level surface.
2. Warm up the engine for several minutes,
and then stop it.
3. Place a container under the engine.
4. Remove the dipstick, and then remove the
drain bolt to drain the oil.
CAUTION:

When removing the drain bolt, the compres-
sion spring, oil strainer and O-ring will fall out.
Take care not to lose these parts.

8-19
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1. Oil filter cover 2. Oil filter
3. O-ring
1. Couvercle du filtre à huile 2. Filtre à huile
3. Joint torique
1. Tapa del filtro de aceite 2. Filtro de aceite
3. Junta tórica
5. Remove the oil filter cover and oil filter.
6. Clean the oil strainer and oil filter with sol-
vent.
7. Check the O-ring for damage and replace
it if necessary.
8. Install the oil filter, O-ring, oil filter cover,
oil strainer, compression spring and drain
bolt. Tighten the drain bolt to the specified
torque.
CAUTION:

Before installing the drain bolt, be sure to in-
stall the O-ring, compression spring and oil
strainer.
9. Fill the engine with oil, and then install the
dipstick. Tightening torque:
Drain bolt (engine):
32 Nm (3.2 m·kg)
Filter cover bolt:
10 Nm (1.0 m·kg)

8-21
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B067_YFM350X-60:YFM350-8.frame
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CAUTION:

Be sure no foreign material enters the crank-
case.
10. Warm up the engine for several minutes
at idle speed. Check for oil leakage while
warming up.
CAUTION:

If oil leakage is found, stop the engine immedi-
ately and check for the cause.
Recommended oil:
See page 10-2.
Oil quantity:
Periodic oil change:
2.4L
With oil filter replacement:
2.5 L
Total amount:
3.2 L

8-31
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B067_YFM350X-60:YFM350-8.frame
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6. Inspect the element. If damaged, replace
it.
7. Apply SAE 10W30 motor oil to the ele-
ment.NOTE:The element should be wet but not dripping.
8. Apply all-purpose grease to the air filter
element seat.
9. Reinstall the element to the element
guide.
10. Reinstall the element assembly and parts
removed for access.NOTE:The air filter element should be cleaned every
20 ~ 40 hours. It should be cleaned and lubri-
cated more often if the machine is operated in
extremely dusty areas. Each time filter element
maintenance is performed, check the air inlet
to the filter case for obstructions. Check the air
cleaner rubber joint to the carburetor and man-
ifold fittings for an airtight seal. Tighten all fit-
tings securely to avoid the possibility ofunfiltered air entering the engine.
1. Unlock
1. Déverrouiller
1. Levántelo1. Element retaining plate 2. Guide
3. Air filter element
1. Plaquette de retenue d’élément 2. Guide
3. Élément du filtre à air
1. Element plate 2. Guía
3. Elemento filtrante

10-3
Yuki_Data:Yuki_data:Yuki:Yuki_1:ATV:HM00B067_YFM350X-60:YFM350-SPEC-E.frame
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Quantity:
Periodic oil change (engine oil)
Periodic oil change
(engine oil with oil filter replacement)
Total amount2.4 L
2.5 L
3.2 L
Air filter: Wet type element
Fuel:
Type
Tank capacity
Reserve amountRegular unleaded gasoline
9.0 L
1.9 L
Carburetor:
Type/manufacturer BTM36SH / MIKUNI
Spark plug:
Type/manufacturer
GapDR8EA / NGK
0.6 ~ 0.7 mm
Clutch:
Type
OperationWet, Multiple-disc
Left hand operation
Transmission:
Primary reduction system
Primary reduction ratio
Secondary reduction system
Secondary reduction ratio
Transmission type
OperationSpur gear
76/24 (3.166)
Chain drive
40/13 (3.077)
Constant mesh, 6-speed forward, 1-speed reverse
Left foot operation MODEL YFM350X