Checking The Wheels; Checking The Tires - Yamaha YZF-R1 Series Service Manual

l. Tighten the bleed screw to specification.
Front brake master cylinder
bleed screw
5 N·m (0.5 kgf·m, 3.7 lb·ft)
Brake caliper bleed screw
5 N·m (0.5 kgf·m, 3.7 lb·ft)
m. Fill the brake fluid reservoir to the proper
level with the specified brake fluid.
Refer to "CHECKING THE BRAKE FLUID
LEVEL" on page 3-13.
EWA13110
WARNING
After bleeding the hydraulic brake system,
check the brake operation.
EAS31428

CHECKING THE WHEELS

The following procedure applies to both of the
wheels.
1. Check:
• Wheel
Damage/out-of-round → Replace.
EWA13260
WARNING
Never attempt to make any repairs to the
wheel.
TIP
After a tire or wheel has been changed or re-
placed, always balance the wheel.
EAS31429

CHECKING THE TIRES

The following procedure applies to both of the
tires.
1. Check:
• Tire pressure
Out of specification → Regulate.
EWA13181
WARNING
• The tire pressure should only be checked
and regulated when the tire temperature
equals the ambient air temperature.
• The tire pressure and the suspension must
be adjusted according to the total weight
(including cargo, rider, passenger and ac-
cessories) and the anticipated riding
speed.
• Operation of an overloaded vehicle could
cause tire damage, an accident or an injury.
NEVER OVERLOAD THE VEHICLE.
PERIODIC MAINTENANCE
Tire air pressure (measured on
cold tires)
Front
250 kPa (2.50 kgf/cm², 36 psi)
Rear
290 kPa (2.90 kgf/cm², 42 psi)
Maximum load
185 kg (408 lb) (YZF-R1)
184 kg (406 lb) (YZF-R1M)
* Total weight of rider, passenger, cargo
and accessories
2. Check:
• Tire surfaces
Damage/wear → Replace the tire.
EWA13190
WARNING
It is dangerous to ride with a worn-out tire.
When the tire tread reaches the wear limit, re-
place the tire immediately.
Wear limit (front)
1.0 mm (0.04 in)
Wear limit (rear)
1.0 mm (0.04 in)
EWA14090
WARNING
After extensive tests, the tires listed below
have been approved by Yamaha Motor Co.,
Ltd. for this model. The front and rear tires
should always be by the same manufacturer
and of the same design. No guarantee con-
cerning handling characteristics can be giv-
en if a tire combination other than one
approved by Yamaha is used on this vehicle.
Front tire
Size
120/70ZR17M/C (58W)
Manufacturer/model
BRIDGESTONE/BATTLAX RAC-
ING STREET RS11F
Rear tire
Size
190/55ZR17M/C (75W) (YZF-R1)
200/55ZR17M/C (78W)
(YZF-R1M)
Manufacturer/model
BRIDGESTONE/BATTLAX RAC-
ING STREET RS11R
3-17