tire size YAMAHA YZF1000 2021 Owners Manual

PERIODIC MAINTENANCE AND MINOR REPAIR
6-20
6
EW000080
WARNING
_ l
The front and rear tires should
be of the same make and de-
sign, otherwise the handling
characteristics of the motor-
cycle cannot be guaranteed.
l
After extensive tests, only the
tires listed below have been ap-
proved for this model by
Yamaha Motor Co., Ltd.
l
Always make sure that the valve
caps are securely installed to
prevent air pressure leakage.
l
Use only the tire valves and
valve cores listed below to
avoid tire deflation during a
high-speed ride.
_
CE-10E
CE-10E
CE-14EEAU00684
WARNING
_ This motorcycle is fitted with super-
high-speed tires. Note the following
points in order to make the most ef-
ficient use of these tires.l
Use only the specified replace-
ment tires. Other tires may run
the danger of bursting at super
high speeds.
l
Brand-new tires can have a rela-
tively poor grip on certain road
surfaces until they have been
“broken in”. Therefore, it is ad-
visable before doing any high-
speed riding to ride conserva-
tively for approximately 100 km
after installing a new tire.
l
The tires must be warmed up
before a high-speed run.
l
Always adjust the tire air pres-
sure according to the operating
conditions.
_
FRONT
Manufacturer Size Model
Bridgestone 120/70 ZR17 BT50F
Dunlop 120/70 ZR17 D204FN
Michelin 120/70 ZR17MACADAM
90XM
Metzeler 120/70 ZR17 MEZ1
Metzeler 120/70 ZR17 MEZ2
REAR
Manufacturer Size Model
Bridgestone 180/55 ZR17 BT50R
Dunlop 180/55 ZR17 D204M
Michelin 180/55 ZR17MACADAM
90XM
Metzeler 180/55 ZR17 MEZ1
Metzeler 180/55 ZR17 MEZ2
FRONT & REAR
Tire air valve TR412
Valve core #9000A (original)
E_4sv.book Page 20 Friday, November 10, 2000 3:03 PM

SPECIFICATIONS
8-2
8
Cooling system capacity (total
amount)
2.7 L
Air filterDry type element
Fuel
Type Regular unleaded gasoline
Fuel tank capacity 20 L
Fuel reserve amount 4.5 L
Carburetor
Manufacturer MIKUNI
Model ´ quantity BDSR38 ´ 4
Spark plug
Manufacturer/model NGK / DR8EA or
DENSO / X24ESR-U
Gap 0.6–0.7 mm
Clutch typeWet, multiple-disc
Transmission
Primary reduction system Spur gear
Primary reduction ratio 1.659
Secondary reduction system Chain drive
Secondary reduction ratio 2.706 (except for D, F, S, SF)
2.765 (for D, F, S, SF)
Number of drive chain
sprocket teeth (front/rear)17/46 (except for D, F, S, SF)
17/47 (for D, F, S, SF)
Transmission type Constant mesh 5-speed
Operation Left footGear ratio
1st 2.571
2nd 1.778
3rd 1.381
4th 1.174
5th 1.037
Chassis
Frame type Diamond
Caster angle 24°
Trail 97 mm
Tires
Front
Type Tubeless tire
Size 120/70 ZR17
Manufacturer/
model Bridgestone / BT50F
Dunlop / D204FN
Michelin / MACADAM 90XM
Metzeler / MEZ1
Metzeler / MEZ2
Rear
Type Tubeless tire
Size 180/55 ZR17
Manufacturer/
model Bridgestone / BT50R
E_4sv.book Page 2 Friday, November 10, 2000 3:03 PM

SPECIFICATIONS
8-3
8
Dunlop / D204M
Michelin / MACADAM 90XM
Metzeler / MEZ1
Metzeler / MEZ2
Maximum load* 196 kg
Tire air pressure (measured on
cold tires)
up to 90 kg*
Front 250 kPa (2.50 kg/cm
2, 2.50 bar)
Rear 250 kPa (2.50 kg/cm2, 2.50 bar)
90 kg–maximum*
Front 290 kPa (2.90 kg/cm2, 2.90 bar)
Rear 290 kPa (2.90 kg/cm2, 2.90 bar)
High-speed riding
Front 290 kPa (2.90 kg/cm2, 2.90 bar)
Rear 290 kPa (2.90 kg/cm2, 2.90 bar)
* Total weight of rider, passenger, cargo and accessories
Wheels
Front
Type Cast wheel
Size 17 ´ MT 3.50
Rear
Type Cast wheel
Size 17 ´ MT 5.50Brakes
Front
Type Dual disc brake
Operation Right hand
Fluid DOT 4
Rear
Type Single disc brake
Operation Right foot
Fluid DOT 4
Suspension
Front Telescopic fork
Rear Swingarm (link suspension)
Spring/shock absorber
Front Coil spring / oil damper
Rear Coil spring / gas-oil damper
Wheel travel
Front 120 mm
Rear 120 mm
E_4sv.book Page 3 Friday, November 10, 2000 3:03 PM