2002 YAMAHA YZF-R1 Owners Manual

INSTRUMENT AND CONTROL FUNCTIONS
3-18
3
To install the passenger seat
1. Insert the projections 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. _
EAU04489
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 3-17 for passenger seat re-
moval and installation proce-
dures.)
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. _
ECA00128
CAUTION:_ Some helmets may contact the muf-
fler when secured to the right side
helmet holder because of their size
or shape. Be sure that your helmet
does not contact the muffler when it
is secured to the helmet holder. _To release a helmet from a helmet
holder
Remove the passenger seat, remove
the helmet from the helmet holder, and
then install the seat.
1. Projection (× 2)
2. Seat holder
1. Helmet holder (× 2)
U5PWE0.book Page 18 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-19
3
EAU01242
Storage compartment The storage compartment is located
under the passenger seat. (See
page 3-17 for passenger seat removal
and installation procedures.)
EWA00005
WARNING
_

Do not exceed the load limit of
3 kg for the storage compart-
ment.


Do not exceed the maximum
load of 202 kg for the vehicle.
_
EAU01862
Adjusting the front fork This front fork is equipped with spring
preload adjusting bolts, rebound damp-
ing force adjusting screws and com-
pression damping force adjusting
screws.
EW000035
WARNING
_ Always adjust both fork legs equal-
ly, otherwise poor handling and loss
of stability may result. _
Spring preload
To increase the spring preload and
thereby harden the suspension, turn
the adjusting bolt on each fork leg in di-
rection
a. To decrease the spring pre-
load and thereby soften the
suspension, turn the adjusting bolt on
each fork leg in direction
b.
1. Storage compartment
1. Spring preload adjusting bolt
U5PWE0.book Page 19 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-20
3
NOTE:_ Align the appropriate groove on the ad-
justing mechanism with the top of the
front fork cap bolt. _CI-10E
Rebound damping force
To increase the rebound damping
force and thereby harden the rebound
damping, turn the adjusting screw on
each fork leg in direction
a. To de-
crease the rebound damping force and
thereby soften the rebound damping,
turn the adjusting screw on each fork
leg in direction
b.CI-02E
Compression damping force
To increase the compression damping
force and thereby harden the compres-
sion damping, turn the adjusting screw
on each fork leg in direction
a. To de-
crease the compression damping force
and thereby soften the compression
damping, turn the adjusting screw on
each fork leg in direction
b.CI-02E
1. Current setting
2. Front fork cap bolt
Setting
Minimum (soft) 8
Standard 6
Maximum (hard) 1
1. Rebound damping force adjusting screwMinimum (soft) 26 clicks in direction
b*
Standard 13 clicks in direction
b*
Maximum (hard) 1 click in direction
b*
* With the adjusting screw fully turned in direction
a
1. Compression damping force adjusting screwMinimum (soft) 20 clicks in direction
b*
Standard 13 clicks in direction
b*
Maximum (hard) 1 click in direction
b*
* With the adjusting screw fully turned in direction
a
U5PWE0.book Page 20 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-21
3
EC000015
CAUTION:_ Never attempt to turn an adjusting
mechanism beyond the maximum
or minimum settings. _NOTE:_ Although the total number of clicks of a
damping force adjusting mechanism
may not exactly match the above spec-
ifications due to small differences in
production, the actual number of clicks
always represents the entire adjusting
range. To obtain a precise adjustment,
it would be advisable to check the num-
ber of clicks of each damping force ad-
justing mechanism and to modify the
specifications as necessary. _
EAU04496
Adjusting the shock absorber
assembly This shock absorber assembly is
equipped with a spring preload adjust-
ing ring and rebound and compression
damping force adjusting screws.
EC000015
CAUTION:_ Never attempt to turn an adjusting
mechanism beyond the maximum
or minimum settings. _
Spring preload
To increase the spring preload and
thereby harden the suspension, turn
the adjusting ring in direction
a. To de-
crease the spring preload and thereby
soften the suspension, turn the adjust-
ing ring in direction
b.NOTE:_

Align the appropriate notch in the
adjusting ring with the position in-
dicator on the shock absorber.


Use the special wrench included in
the owner’s tool kit to make the ad-
justment.
_1. Spring preload adjusting ring
2. Special wrench
3. Position indicator
U5PWE0.book Page 21 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-22
3
CI-10E
Rebound damping force
To increase the rebound damping
force and thereby harden the rebound
damping, turn the adjusting screw in di-
rection
a. To decrease the rebound
damping force and thereby soften the
rebound damping, turn the adjusting
screw in direction
b.CI-14E
Compression damping force
To increase the compression damping
force and thereby harden the compres-
sion damping, turn the adjusting screw
in direction
a. To decrease the com-
pression damping force and thereby
soften the compression damping, turn
the adjusting screw in direction
b.CI-14E
Setting
Minimum (soft) 1
Standard 4
Maximum (hard) 9
1. Rebound damping force adjusting screwMinimum (soft) 20 clicks in direction
b*
Standard 15 clicks in direction
b*
Maximum (hard) 1 click in direction
b*
* With the adjusting screw fully turned in direction
a
1. Compression damping force adjusting screwMinimum (soft) 20 clicks in direction
b*
Standard 15 clicks in direction
b*
Maximum (hard) 1 click in direction
b*
* With the adjusting screw fully turned in direction
a
U5PWE0.book Page 22 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-23
3
NOTE:_ Although the total number of clicks of a
damping force adjusting mechanism
may not exactly match the above spec-
ifications due to small differences in
production, the actual number of clicks
always represents the entire adjusting
range. To obtain a precise adjustment,
it would be advisable to check the num-
ber of clicks of each damping force ad-
justing mechanism and to modify the
specifications as necessary. _
EAU00315
WARNING
_ This shock absorber contains high-
ly pressurized nitrogen gas. For
proper handling, read and under-
stand the following information be-
fore handling the shock absorber.
The manufacturer cannot be held re-
sponsible for property damage or
personal injury that may result from
improper handling.

Do not tamper with or attempt to
open the gas cylinder.


Do not subject the shock ab-
sorber to an open flame or other
high heat sources, otherwise it
may explode due to excessive
gas pressure.


Do not deform or damage the
gas cylinder in any way, as this
will result in poor damping per-
formance.


Always have a Yamaha dealer
service the shock absorber.
_
EAU03170
Luggage strap holders There are four luggage strap holders
on the bottom of the passenger seat.
To use the strap holders, remove the
passenger seat, unhook the straps,
and then install the seat with the straps
hanging out from under the passenger
seat. (See page 3-17 for passenger
seat removal and installation proce-
dures.)1. Luggage strap holder (× 4)
2. Hook (× 4)
U5PWE0.book Page 23 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-24
3
EAU01571
EXUP system This motorcycle is equipped with
Yamaha’s EXUP (EXhaust Ultimate
Power valve) system. This system
boosts engine power by means of a
valve that regulates the diameter of the
exhaust pipe. The EXUP system valve
is constantly adjusted in accordance
with the engine speed by a computer-
controlled servomotor.
EC000027
CAUTION:_

The EXUP system has been set
and extensively tested at the
Yamaha factory. Changing
these settings without sufficient
technical knowledge may result
in poor performance of or dam-
age to the engine.


If the EXUP system does not op-
erate, have a Yamaha dealer
check it.
_
EAU00330
Sidestand The sidestand is located on the left side
of the frame. Raise the sidestand or
lower it with your foot while holding the
motorcycle upright.NOTE:_ The built-in sidestand switch is part of
the ignition circuit cut-off system, which
cuts the ignition in certain situations.
(See further down for an explanation of
the ignition circuit cut-off system.) _
EW000044
WARNING
_ The motorcycle must not be ridden
with the sidestand down, or if the
sidestand cannot be properly
moved up (or does not stay up), oth-
erwise the sidestand could contact
the ground and distract the opera-
tor, resulting in a possible loss of
control. Yamaha’s ignition circuit
cut-off system has been designed to
assist the operator in fulfilling the
responsibility of raising the side-
stand before starting off. Therefore,
check this system regularly as de-
scribed below and have a Yamaha
dealer repair it if it does not function
properly. _
U5PWE0.book Page 24 Friday, December 7, 2001 5:14 PM

INSTRUMENT AND CONTROL FUNCTIONS
3-25
3
EAU03720
Ignition circuit cut-off system The ignition circuit cut-off system (com-
prising the sidestand switch, clutch
switch and neutral switch) has the fol-
lowing functions.

It prevents starting when the trans-
mission is in gear and the side-
stand is up, but the clutch lever is
not pulled.


It prevents starting when the trans-
mission is in gear and the clutch
lever is pulled, but the sidestand is
still down.


It cuts the running engine when
the transmission is in gear and the
sidestand is moved down.
Periodically check the operation of the
ignition circuit cut-off system according
to the following procedure.
EW000045
WARNING
_ If a malfunction is noted, have a
Yamaha dealer check the system
before riding. _U5PWE0.book Page 25 Friday, December 7, 2001 5:14 PM