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PERIODIC MAINTENANCE AND MINOR REPAIR
6-7
6Installation
1. Measure the electrode gap with a
wire thickness gauge and, if nec-
essary, adjust the gap to specifica-
tion.
2. Clean the gasket surface. Wipe off
any grime from the threads.3. Install the spark plug and tighten it
to the specified torque.
NOTE:@ If a torque wrench is not available when
you are installing a spark plug, a good
estimate of the correct torque is 1/4 to
1/2 turn past finger tight. Have the
spark plug tightened to the specified
torque as soon as possible. @
EAU01703
Engine oilOil level inspection
1. Place the motorcycle on a level
place and hold it in an upright posi-
tion. Warm up the engine for seve-
ral minutes.NOTE:@ Be sure the motorcycle is positioned
straight up when checking the oil level.
A slight tilt toward the side can result in
false readings. @
a. Spark plug gapSpark plug gap:
0.8 ~ 0.9 mm
Tightening torque:
Spark plug:
17.5 Nm (1.75 m·kg)
1. Oil level window
2. Maximum level mark
3. Minimum level mark
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-8
6 2. Stop the engine and wait for a few
minutes. Check the oil level
through the level window located
at the lower part of the right side
crankcase cover.
NOTE:@ Wait a few minutes until the oil level
settles before checking. @3. The oil level should be between
the maximum and minimum
marks. If the level is low, fill the en-
gine with sufficient recommended
oil to reach the specified level.Engine oil and oil filter cartridge re-
placement
1. Warm up the engine for several
minutes.
2. Stop the engine. Place an oil pan
under the engine and remove the
oil filler cap.
3. Remove the drain bolt and drain
the oil.
4. Remove the oil filter by using an oil
filter wrench.
NOTE:@ An oil filter wrench is available at a
nearby Yamaha dealer. @
5. Reinstall the drain bolt and tighten
it to the specified torque.
6. Apply a light coat of engine oil to
the O-ring of new oil filter.NOTE:@ Make sure the O-ring is seated proper-
ly. @
1. Engine oil filler cap
1. Engine oil drain boltTightening torque:
Drain bolt:
43 Nm (4.3 m·kg)
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-9
67. Install the new oil filter and tighten
it to the specified torque with an oil
filter wrench.
NOTE:@ When installing the oil filter, tighten it to
the proper torque by using a torque
wrench. @
8. Fill the engine with sufficient rec-
ommended oil. Install the oil filler
cap and tighten it.
EC000066
CAUTION:@ l
Do not put in any chemical addi-
tives. Engine oil also lubricates
the clutch and additives could
cause clutch slippage.
l
Be sure no foreign material en-
ters the crankcase.
@
9. Start the engine and warm it up for
several minutes. While warming
up, check for oil leakage. If oil
leakage is found, stop the engine
immediately and check for the
cause. NOTE:After the engine is started, the oil level
indicator light should go off if the oil is at
the specified level.
EC000067
CAUTION:@ If the indicator light flickers or re-
mains on, immediately stop the en-
gine and consult with a Yamaha
dealer. @
1. Oil filterTightening torque:
Oil filter:
17 Nm (1.7 m·kg)
Recommended oil:
See page 8-1.
Oil quantity:
Total amount:
4.3 L
Periodic oil change:
3.5 L
With oil filter replacement:
3.7 L
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-10
6
EAU01220
Final gear oilCheck for oil leakage. If any leakage is
found, take the motorcycle to a
Yamaha dealer for repairs.
EAU01589
Coolant1. Remove the reservoir tank cover
by removing the screw.
2. Check the coolant level in the res-
ervoir tank when the engine is cold
as the coolant level will vary with
engine temperature. The coolant
level should be between the maxi-
mum and minimum marks.
3. If the level is low, remove the rid-
er’s seat, open the reservoir tank
cap and add coolant or distilled
water to raise it to the specified
level. (See page 3-10 for seat re-
moval procedures.)4. Install the reservoir tank cap and
rider’s seat.
5. Place the reservoir tank cover in
the original position and install the
screw.
EC000080
CAUTION:@ Hard water or salt water is harmful
to the engine. You may use distilled
water if you can’t get soft water. @
1. Final gear oil filler bolt
2. Final gear oil drain bolt
1. Reservoir tank
2. Maximum level mark
3. Minimum level markReservoir tank capacity:
0.84 L
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-20
6 Observe these precautions:
l
When checking the fluid level,
make sure the top of the master
cylinder is level by turning the han-
dlebars.
l
Use only the designated quality
brake fluid. Otherwise, the rubber
seals may deteriorate, causing
leakage and poor brake or clutch
performance.
l
Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor brake or clutch perfor-
mance.
l
Be careful that water does not en-
ter the master cylinder when refill-
ing. Water will significantly lower
the boiling point of the fluid and
may result in vapor lock.
l
Brake fluid may deteriorate paint-
ed surfaces or plastic parts. Al-
ways clean up spilled fluid
immediately.
l
Have a Yamaha dealer check the
cause if the brake fluid level goes
down.
1. Minimum level mark
Recommended brake fluid: DOT 4
1. Minimum level mark
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-21
6
EAU00742
Brake fluid replacementThe brake fluid should be replaced only
by trained Yamaha service personnel.
Have the Yamaha dealer replace the
following components during periodic
maintenance or when they are dam-
aged or leaking:l
oil seals (every two years)
l
brake hoses (every four years)
EAU02984
Brake and shift pedal
lubricationLubricate the pivoting parts.
Recommended lubricant:
Engine oil
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-22
6
EAU02985
Brake and clutch lever
lubricationLubricate the pivoting parts.
EAU02986
Sidestand lubricationLubricate the sidestand pivoting point
and metal-to-metal contact surfaces.
Check that the sidestand moves up
and down smoothly.
EW000113
WARNING
@ If the sidestand does not move
smoothly, consult a Yamaha dealer. @
Recommended lubricant:
Engine oil
Recommended lubricant:
Engine oil
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PERIODIC MAINTENANCE AND MINOR REPAIR
6-23
6
EAU02939
Front fork inspectionVisual check
EW000115
WARNING
@ Securely support the motorcycle so
there is no danger of it falling over. @Check for scratches or damage on the
inner tube and excessive oil leakage
from the front fork.
Operation check
1. Place the motorcycle on a level
place.
2. Hold the motorcycle in an upright
position and apply the front brake.
3. Push down hard on the handle-
bars several times and check if the
fork rebounds smoothly.
EC000098
CAUTION:@ If any damage or unsmooth move-
ment is found with the front fork,
consult a Yamaha dealer. @
EAU00800
BatteryThis motorcycle is equipped with a
sealed-type battery. Therefore it is not
necessary to check the electrolyte or fill
the battery with distilled water.l
If the battery seems to have dis-
charged, consult a Yamaha deal-
er.
l
If the motorcycle is equipped with
optional electrical accessories, the
battery tends to discharge more
quickly, so be sure to recharge it
periodically.
1. Battery
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