2001 YAMAHA YZF-R1 lock

INSTRUMENT AND CONTROL FUNCTIONS
3-12
3 2. Turn the key counterclockwise to
the original position, remove it,
and then close the lock cover.
NOTE:@ The fuel tank cap cannot be closed un-
less the key is in the lock. In addition,
the key cannot be removed if the cap is
not properly closed and locked. @
EWA00025
WARNING
@ Make sure that the fuel tank cap is
properly closed before riding.@
EAU01183
FuelMake sure that there is sufficient fuel in
the tank. Fill the fuel tank to the bottom
of the filler tube as shown in the
illustration.
EW000130
WARNING
@ l
Do not overfill the fuel tank, oth-
erwise it may overflow when the
fuel warms up and expands.
l
Avoid spilling fuel on the hot
engine.
@
EAU00185
CAUTION:@ Immediately wipe off spilled fuel
with a clean, dry, soft cloth, since
fuel may deteriorate painted surfac-
es or plastic parts. @
EAU00191
NOTE:@ If knocking (or pinging) occurs, use
gasoline of a different brand or with a
higher octane grade. @
1. Fuel tank filler tube
2. Fuel level
Recommended fuel:
Regular unleaded gasoline with a
research octane number of 91 or
higher
Fuel tank capacity:
Total amount:
18 L
Reserve amount:
3.8 L
E_5jj.book Page 12 Friday, September 8, 2000 3:33 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-13
3
EAU02955
Fuel tank breather hoseBefore operating the motorcycle:l
Check the fuel tank breather hose
connection.
l
Check the fuel tank breather hose
for cracks or damage, and replace
it if damaged.
l
Make sure that the end of the fuel
tank breather hose is not blocked,
and clean it if necessary.
EAU02976
Starter (choke) leverStarting a cold engine requires a richer
air-fuel mixture, which is supplied by
the starter (choke).
Move the lever in direction
a to turn on
the starter (choke).
Move the lever in direction
b to turn off
the starter (choke).
1. Fuel tank breather hose
1. Starter (choke) lever
E_5jj.book Page 13 Friday, September 8, 2000 3:33 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-14
3
EAU01890
SeatsRider seat
To remove the rider seatLift up the rear corners of the rider seat
as shown, remove the bolts, and then
pull the seat off.To install the rider seat
Insert the projection on the front of the
rider seat into the seat holder as
shown, place the seat in the original
position, and then install the bolts.Passenger seat
To remove the passenger seat
1. Insert the key into the seat lock,
and then turn it counterclockwise.
2. While holding the key in that posi-
tion, lift the front of the passenger
seat and pull it forward.
1. Bolt (´ 2)
1. Projection
2. Seat holder
1. Passenger seat lock
2. Unlock.
E_5jj.book Page 14 Friday, September 8, 2000 3:33 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-15
3
To install the passenger seat
1. Insert the projection on the rear of
the passenger seat into the seat
holder as shown, and then push
the front of the seat down to lock it
in place.
2. Remove the key.NOTE:@ Make sure that the seats are properly
secured before riding. @
EAU03159
Helmet holders The helmet holders are located on the
bottom of the passenger seat.
To secure a helmet to a helmet
holder
1. Remove the passenger seat. (See
page 3-14 for removal and instal-
lation procedures.)
2. Attach the helmet to a helmet
holder, and then securely install
the passenger seat.
EWA00015
WARNING
@ Never ride with a helmet attached to
a helmet holder, since the helmet
may hit objects, causing loss of
control and possibly an accident. @To release the helmet from a helmet
holder
Remove the passenger seat, remove
the helmet from the helmet holder, and
then install the seat.
1. Projection
2. Seat holder
1. Helmet holder (´ 2)
E_5jj.book Page 15 Friday, September 8, 2000 3:33 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-5
6
EAU01139
Removing and installing
cowlings and panels The cowlings and panels shown above
need to be removed to perform some
of the maintenance jobs described in
this chapter. Refer to this section each
time a cowling or panel needs to be re-
moved and installed.
EAU03536
Cowling A
To remove the cowlingRemove the screw, loosen the quick
fastener screws 1/4 turn counterclock-
wise, and then take the cowling off.To install the cowling
Place the cowling in the original posi-
tion, and then tighten the quick fastener
screws and install the screw.
1. Cowling A
2. Panel A
3. Cowling B
1. Quick fastener screw (´ 4)
2. ScrewRight side
1. Quick fastener screw (´ 4)
2. ScrewLeft side
E_5jj.book Page 5 Friday, September 8, 2000 3:33 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-23
62. Remove cowling A. (See page 6-5
for cowling removal and installa-
tion procedures.)
3. Loosen the locknut at the
crankcase.
4. To increase the clutch lever free
play, turn the adjusting nut in di-
rection
a. To decrease the clutch
lever free play, turn the adjusting
nut in direction
b.
5. Tighten the locknut.
6. Install the cowling.
EAU01357
Adjusting the brake pedal
position The top of the brake pedal should be
positioned approximately 35–40 mm
below the bottom of the footrest brack-
et as shown. Periodically check the
brake pedal position and, if necessary,
have a Yamaha dealer adjust it.
EW000109
WARNING
@ A soft or spongy feeling in the brake
pedal can indicate the presence of
air in the hydraulic system. If there
is air in the hydraulic system, have a
Yamaha dealer bleed the system be-
fore operating the motorcycle. Air in
the hydraulic system will diminish
the braking performance, which
may result in loss of control and an
accident. @
1. Locknut
2. Adjusting nut
a. Distance between brake pedal and footrest
bracket
E_5jj.book Page 23 Friday, September 8, 2000 3:33 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-26
6 Observe these precautions:
l
When checking the fluid level,
make sure that the top of the mas-
ter cylinder or brake fluid reservoir
is level.
l
Use only the recommended quali-
ty brake fluid, otherwise the rubber
seals may deteriorate, causing
leakage and poor braking perfor-
mance.
l
Refill with the same type of brake
fluid. Mixing fluids may result in a
harmful chemical reaction and
lead to poor braking performance.
l
Be careful that water does not en-
ter the master cylinder or brake
fluid reservoir when refilling. 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
As the brake pads wear, it is nor-
mal for the brake fluid level to
gradually go down. However, if the
brake fluid level goes down sud-
denly, have a Yamaha dealer
check the cause.
EAU03238
Changing the brake fluid Have a Yamaha dealer change the
brake fluid at the intervals specified in
the periodic maintenance and lubrica-
tion chart. In addition, have the oil seals
of the brake master cylinder and caliper
as well as the brake hose replaced at
the intervals listed below or whenever
they are damaged or leaking.l
Oil seals: Replace every two
years.
l
Brake hose: Replace every four
years.
1. Minimum level mark
Recommended brake fluid: DOT 4RearRear
E_5jj.book Page 26 Friday, September 8, 2000 3:33 PM

PERIODIC MAINTENANCE AND MINOR REPAIR
6-27
6
EAU00744
Drive chain slackThe drive chain slack should be
checked before each ride and adjusted
if necessary.
To check the drive chain slack
1. Place the motorcycle on a level
surface and hold it in an upright
position.NOTE:@ When checking and adjusting the drive
chain slack, the motorcycle should be
positioned straight up and there should
be no weight on it. @
2. Shift the transmission into the neu-
tral position.
3. Move the rear wheel by pushing
the motorcycle to locate the tight-
est portion of the drive chain, and
then measure the drive chain
slack as shown.
4. If the drive chain slack is incorrect,
adjust it as follows.
EAU03608
To adjust the drive chain slack
1. Loosen the axle nut and the lock-
nut on each side of the swingarm.
2. To tighten the drive chain, turn the
adjusting bolt on each side of the
swingarm in direction
a. To loos-
en the drive chain, turn the adjust-
ing bolt on each side of the
swingarm in direction
b, and then
push the rear wheel forward.
a. Drive chain slack
Drive chain slack:
40–50 mm
1. Axle nut
2. Drive chain slack adjusting bolt
3. Locknut
4. Alignment marks
E_5jj.book Page 27 Friday, September 8, 2000 3:33 PM