air filter YAMAHA YZF1000 2021 Owners Manual
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Page 12 of 108

2-1
2
EAU00026
2-DESCRIPTION Left view1. Starter (choke) lever (page 3-10)
2. Air filter element (page 6-13)
3. Fuse box (page 6-32)
4. Helmet holder (page 3-12)
5. Rider seat lock (page 3-11)
6. Storage compartment (page 3-13)
7. Owner’s tool kit (page 6-1)8. Shock absorber assembly compression
damping force adjusting screw (page 3-16)
9. Main fuse (page 6-32)
10. Shift pedal (page 3-7)
11. Front fork compression damping force
adjusting screw (page 3-14)
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6
PERIODIC MAINTENANCE AND MINOR REPAIR
Owner’s tool kit .................................................... 6-1
Periodic maintenance and lubrication chart ......... 6-2
Removing and installing cowlings ........................ 6-5
Checking the spark plugs .................................... 6-7
Engine oil and oil filter cartridge .......................... 6-9
Checking the coolant level ................................. 6-12
Cleaning the air filter element ............................ 6-13
Adjusting the carburetors ................................... 6-16
Adjusting the engine idling speed ...................... 6-16
Adjusting the throttle cable free play .................. 6-17
Adjusting the valve clearance ............................ 6-17
Tires ................................................................... 6-17
Cast wheels ....................................................... 6-21
Adjusting the rear brake light switch .................. 6-21
Checking the front and rear brake pads ............. 6-21
Checking the brake fluid level ............................ 6-22
Changing the brake fluid .................................... 6-24
Drive chain slack ................................................ 6-25
Lubricating the drive chain ................................. 6-26
Checking and lubricating the cables .................. 6-27Checking and lubricating the brake and
shift pedals ...................................................... 6-27
Checking and lubricating the brake and
clutch levers .................................................... 6-27
Checking and lubricating the sidestand ............ 6-28
Lubricating the rear suspension ........................ 6-28
Checking the front fork ...................................... 6-29
Checking the steering ....................................... 6-29
Checking the wheel bearings ............................ 6-30
Battery ............................................................... 6-31
Replacing the fuses .......................................... 6-32
Replacing a headlight bulb ................................ 6-33
Replacing the tail/brake light bulb ..................... 6-34
Replacing a turn signal light bulb ...................... 6-35
Supporting the motorcycle ................................ 6-35
Front wheel ....................................................... 6-36
Rear wheel ........................................................ 6-38
Troubleshooting ................................................. 6-40
Troubleshooting charts ...................................... 6-41
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-2
6
EAU03685
Periodic maintenance and lubrication chart
NOTE:_ l
The annual checks must be performed every year, except if a kilometer-based maintenance is performed instead.
l
From 50,000 km, repeat the maintenance intervals starting from 10,000 km.
l
Items marked with an asterisk should be performed by a Yamaha dealer as they require special tools, data and techni-
cal skills.
_CP-03ENO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (´
1,000 km)
ANNUAL
CHECK
1 10203040
1
*Fuel line
• Check fuel hoses for cracks or damage.ÖÖÖÖ Ö
2*Fuel filter
• Check condition.ÖÖ
3 Spark plugs• Check condition.
• Clean and regap.ÖÖ
• Replace.ÖÖ
4*Valves• Check valve clearance.
•Adjust.Every 40,000 km
5 Air filter element•Clean.ÖÖ
• Replace.ÖÖ
6*Clutch• Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-4.) ÖÖ Ö Ö Ö
7*Front brake• Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-4.)ÖÖ Ö Ö Ö Ö
• Replace brake pads. Whenever worn to the limit
8*Rear brake• Check operation, fluid level and vehicle for fluid leakage.
(See NOTE on page 6-4.)ÖÖ Ö Ö Ö Ö
• Replace brake pads. Whenever worn to the limit
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-4
6
EAU03892
NOTE:_ l
The air filter needs more frequent service if you are riding in unusually wet or dusty areas.
l
Hydraulic brake and clutch systems
• After disassembling the brake or clutch master cylinders, caliper cylinders or clutch release cylinder, always change
the fluid. Regularly check the brake and clutch fluid levels and fill the reservoirs as required.
• Replace the oil seals on the inner parts of the brake or clutch master cylinders, caliper cylinders and clutch release
cylinder every two years.
• Replace the brake and clutch hoses every four years or if cracked or damaged.
_23 Engine oil
• Change.ÖÖÖÖÖ Ö
24 Engine oil filter cartridge
• Replace.ÖÖÖ
25
*Cooling system• Check coolant level and vehicle for coolant leakage.ÖÖÖÖ Ö
• Change.Every 3 years
26*Front and rear brake
switches• Check operation.ÖÖÖÖÖ Ö
27 Moving parts and cables
• Lubricate.ÖÖÖÖ Ö
28*Lights, signals and
switches• Check operation.
• Adjust headlight beam.ÖÖÖÖÖ Ö NO. ITEM CHECK OR MAINTENANCE JOBODOMETER READING (´
1,000 km)
ANNUAL
CHECK
1 10203040
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-9
6
EAU03612
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 car-
tridge replaced at the intervals speci-
fied in the periodic maintenance and
lubrication chart.
To check the engine oil level
1. Place the motorcycle on a level
surface and hold it in an upright
position.NOTE:_ Make sure that the motorcycle is posi-
tioned straight up when checking the oil
level. A slight tilt to the side can result in
a false reading. _2. Start the engine, warm it up for
several minutes, and then turn it
off.3. Wait a few minutes until the oil set-
tles, and then check the oil level
through the check window located
at the bottom-right side of the
crankcase.
NOTE:_ The engine oil should be between the
minimum and maximum level marks. _4. If the engine oil is below the mini-
mum level mark, add sufficient oil
of the recommended type to raise
it to the correct level.To change the engine oil (with or
without oil filter cartridge replace-
ment)
1. Remove cowling A. (See page 6-5
for cowling removal and installa-
tion procedures.)
2. Start the engine, warm it up for
several minutes, and then turn it
off.
3. Place an oil pan under the engine
to collect the used oil.1. Engine oil level check window
2. Maximum level mark
3. Minimum level mark
1. Engine oil filler cap
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-10
6 4. Remove the engine oil filler cap
and drain bolt to drain the oil from
the crankcase.
NOTE:_ Skip steps 5–7 if the oil filter cartridge is
not being replaced. _
5. Remove the oil filter cartridge with
an oil filter wrench.NOTE:_ An oil filter wrench is available at a
Yamaha dealer. _
6. Apply a thin coat of engine oil to
the O-ring of the new oil filter car-
tridge.NOTE:_ Make sure that the O-ring is properly
seated. _
1. Engine oil drain boltLeft side
1. Oil filter cartridge
2. Oil filter wrench
1. O-ring
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-11
67. Install the new oil filter cartridge,
and then tighten it to the specified
torque with a torque wrench.
8. Install the engine oil drain bolt, and
then tighten it to the specified
torque.9. Add the specified amount of the
recommended engine oil, and
then install and tighten the oil filler
cap.
EC000072
CAUTION:_ l
In order to prevent clutch slip-
page (since the engine oil also
lubricates the clutch), do not
mix any chemical additives with
the oil or use oils of a higher
grade than “CD”. In addition, do
not use oils labeled “ENERGY
CONSERVING II” or higher.
l
Make sure that no foreign mate-
rial enters the crankcase.
_10. Start the engine, and then let it idle
for several minutes while checking
it for oil leakage. If oil is leaking,
immediately turn the engine off
and check for the cause.NOTE:_ After the engine is started, the engine
oil level warning light should go off if the
oil level is sufficient. _
1. Torque wrenchTightening torque:
Oil filter cartridge:
17 Nm (1.7 m·kg)
Tightening torque:
Engine oil drain bolt:
43 Nm (4.3 m·kg)
Recommended engine oil:
See page 8-1.
Oil quantity:
Without oil filter cartridge
replacement:
3.0 L
With oil filter cartridge
replacement:
3.2 L
Total amount (dry engine):
3.5 L
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-13
64. Add coolant or distilled water to
raise the coolant to the specified
level, close the coolant reservoir
cap, and then install the rider seat.
EC000080
CAUTION:_ l
If coolant is not available, use
distilled water or soft tap water
instead. Do not use hard water
or salt water since it is harmful
to the engine.
l
If water has been used instead
of coolant, replace it with cool-
ant as soon as possible, other-
wise the engine may not be
sufficiently cooled and the cool-
ing system will not be protected
against frost and corrosion.
l
If water has been added to the
coolant, have a Yamaha dealer
check the antifreeze content of
the coolant as soon as possible,
otherwise the effectiveness of
the coolant will be reduced.
_
EW000067
WARNING
_ Never attempt to remove the radia-
tor cap when the engine is hot. _NOTE:_ l
The radiator fan is automatically
switched on or off according to the
coolant temperature in the radia-
tor.
l
If the engine overheats, see
page 6-42 for further instructions.
_
EAU03948*
Cleaning the air filter element The air filter element should be cleaned
at the intervals specified in the periodic
maintenance and lubrication chart.
Clean the air filter element more fre-
quently if you are riding in unusually
wet or dusty areas.
1. Remove the rider seat. (See page
3-11 for rider seat removal and in-
stallation procedures.)
2. Remove cowling B from both
sides. (See page 6-5 for cowling
removal and installation proce-
dures.)
3. Remove the fuel tank bolts. Coolant reservoir capacity:
0.23 L1. Bolt (´ 2)
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-14
6 4. Lift the fuel tank to position it away
from the air filter case. (Do not dis-
connect the fuel hoses!)
EW000071
WARNING
_ l
Make sure that the fuel tank is
well supported.
l
Do not tilt or pull the fuel tank
too much, otherwise the fuel
hoses may come loose, which
could cause fuel leakage.
_
5. Remove the air filter case cover by
removing the screw.6. Pull the air filter element out.1. Screw
2. Air filter case cover
1. Air filter element
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-15
67. Lightly tap the air filter element to
remove most of the dust and dirt,
and then blow the remaining dirt
out with compressed air as shown.
If the air filter element is damaged,
replace it.
8. Insert the air filter element into the
air filter case.
EC000082*
CAUTION:_ l
Make sure that the air filter ele-
ment is properly seated in the
air filter case.
l
The engine should never be op-
erated without the air filter ele-
ment installed, otherwise the
pistons and/or cylinders may
become excessively worn.
_9. Install the air filter case cover by
installing the screw.
10. Install the fuel tank by installing the
bolts.
EW000072
WARNING
_ l
Before installing the fuel tank,
make sure that the fuel hoses
are not damaged. If any fuel
hose is damaged, do not start
the engine but have a Yamaha
dealer replace the hose, other-
wise fuel may leak.
l
Make sure that the fuel hoses
are properly connected and
routed, and not pinched.
_11. Install the cowlings, and then in-
stall the rider seat.
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