Page 19 of 128

Special features
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cally adjusts accordin
g to the vehicle’s
lean angle. To maximize acceleration,
when the vehicle is upright a less
amount of traction control is applied.
When cornering, a greater amount of
traction control is applied.
TIP
The traction control system may
engage when the vehicle travels
over a bump.
You may notice slight changes in
engine and exhaust sounds when
the traction control or other YRC
systems engage.
When TCS is turned off, SCS,
LCS, and LIF are also turned offautomatically.
WARNING
EWA15432
The traction control system is not a
substitute for riding appropriately
for the conditions. Traction control
cannot prevent loss of traction due
to excessive speed when entering
turns, when accelerating hard at a
sharp lean angle, or while braking,
and cannot prevent front wheel slip-
ping. As with any motorcycle, ap-
proach surfaces that may be
slippery with caution and avoid es-pecially slippery surfaces.
When the key is turned to “ON”, the
traction control system automatically
turns on. The traction control system
can be turned on or off manually only
when the key is in the “ON” position and
the motorcycle is stopped.TIPTurn the traction control system off to
help free the rear wheel if the motorcy-
cle gets stuck in mud, sand, or othersoft surfaces.
NOTICE
ECA16801
Use only the specified tires. (See
page 7-18.) Using different sized
tires will prevent the traction control
system from controlling tire rotationaccurately.
SCS
The slide control system regulates en-
gine power output when a sideward
slide is detected in the rear wheel. It ad-
justs power output based on data from
the IMU. This system supports the TCS
to contribute to a smoother ride.
LCS
The launch control system helps the
rider achieve smooth and swift launch-
es from the starting grid. It keeps en-
gine speed from rising above 10,000
r/min even when the throttle grip is fully
turned. The LCS regulates engine pow-
er output in conjunction with the TCS
and LIF systems for optimal traction
and reduced wheel lift.
TCS
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Page 97 of 128

Periodic maintenance and adjustment7-20
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Tire information
This model is equipped with tubeless
tires and tire air valves.
Tires age, even if they have not been
used or have only been used occasion-
ally. Cracking of the tread and sidewall
rubber, sometimes accompanied by
carcass deformation, is an evidence of
ageing. Old and aged tires should be
checked by tire spec
ialists to ascertain
their suitability for further use.
WARNING
EWA10482
The front and rear tires should
be of the same make and de- sign, otherwise the handling
characteristics of the motorcy-
cle may be different, which
could lead to an accident.
Always make sure that the valve
caps are securely installed to
prevent air pressure leakage.
Use only the tire valves and
valve cores listed below to
avoid tire deflation during ahigh-speed ride.
After extensive tests, only the tires list-
ed below are approved for this model
by Yamaha.
WARNING
EWA10601
This motorcycle is fitted with su-
per-high-speed tires. Note the fol-
lowing points in order to make the
most efficient use of these tires.
Use only the specified replace-
ment tires. Other tires may run
1. Tire air valve
2. Tire air valve core
3. Tire air valve cap with seal
Front tire: Size:120/70 ZR17MC (58W)
Manufacturer/model:
BRIDGESTONE/BATTLAX RAC-
ING STREET RS10F
PIRELLI/DIABLO SUPERCORSA
SP (YZF-R1)
Rear tire: Size:
190/55 ZR17M/C (75W) (YZF-R1)
200/55 ZR17M/C (78W)
(YZF-R1M)
Manufacturer/model: BRIDGESTONE/BATTLAX RAC-
ING STREET RS10R
PIRELLI/DIABLO SUPERCORSA
SP (YZF-R1)
FRONT and REAR:
Tire air valve:TR412
Valve core:
#9100 (original)
2CR-9-E1.book 20 ページ 2015年8月20日 木曜日 午後4時46分
Page 121 of 128

Specifications
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3rd:1.842 (35/19)
4th:
1.579 (30/19)
5th: 1.381 (29/21)
6th: 1.250 (30/24)
Chassis:Frame type: Diamond
Caster angle: 24.0
Trail:
102 mm (4.0 in)Front tire:Type:Tubeless
Size:
120/70 ZR17MC (58W)
Manufacturer/model: BRIDGESTONE/BATTLAX RACING
STREET RS10F
Manufacturer/model: PIRELLI/DIABLO SUPERCORSA SP
(YZF-R1)Rear tire:Type:
Tubeless
Size:
190/55 ZR17M/C (75W) (YZF-R1)
200/55 ZR17M/C (78W) (YZF-R1M) Manufacturer/model:
BRIDGESTONE/BATTLAX RACING
STREET RS10R
Manufacturer/model: PIRELLI/DIABLO SUPERCORSA SP
(YZF-R1)
Loading:Maximum load:188 kg (414 lb)
* (Total weight of rider, passenger, cargo and accessories)Tire air pressure (measured on cold
tires):
Front:250 kPa (2.50 kgf/cm
2, 36 psi)
Rear: 290 kPa (2.90 kgf/cm2, 42 psi)
Front wheel:Wheel type: Cast wheel
Rim size: 17 M/C x MT3.50Rear wheel:Wheel type:Cast wheel
Rim size: 17 M/C x MT6.00Unified brake system:Operation:Activated by front brakeFront brake:Type:
Hydraulic dual disc brake Specified brake fluid:
DOT 4
Rear brake:Type:Hydraulic single disc brake
Specified brake fluid: DOT 4Front suspension:Type:Telescopic fork
Spring: Coil spring
Shock absorber:
Hydraulic damper
Wheel travel: 120 mm (4.7 in)Rear suspension:Type:
Swingarm (link suspension)
Spring: Coil spring
Shock absorber: Gas-hydraulic damper
Wheel travel:
120 mm (4.7 in)Electrical system:System voltage:12 V
Ignition system:
TCI
Charging system: AC magneto
2CR-9-E1.book 2 ページ 2015年8月20日 木曜日 午後4時46分