Yamaha 2009 YZF-R1 (Y) User Manual

PERIODIC MAINTENANCE
3-19
EAS21290
CHECKING THE REAR BRAKE HOSE
1. Check:
• Brake hose “1”
Cracks/damage/wear → Replace.
2. Check:
• Brake hose clamp “2”
Loose Connection → Tighten the clamp
bolt.
3. Hold the vehicle upright and apply rear
brake several times.
4. Check:
• Brake hose
Brake fluid leakage → Replace the dam-
aged hose.
Refer to “REAR BRAKE” on page 4-43.
EAS21670
CHECKING THE WHEELS
The following procedure applies to both of the
wheels.
1. Check:
• Wheel
Damage/out-of-round → Replace.
WARNING
EWA13260
Never attempt to make any repairs to the
wheel.
TIP
After a tire or wheel has been changed or
replaced, always balance the wheel.
EAS21650
CHECKING THE TIRES
The following procedure applies to both of the
tires.
1. Check:
• Tire pressure
Out of specification → Regulate.
WARNING
EWA13180
• 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 accessories) and the anticipated
riding speed.
• Operation of an overloaded vehicle could
cause tire damage, an accident or an
injury.
NEVER OVERLOAD THE VEHICLE.

Yamaha 2009 YZF-R1 (Y) Specifications

General

Bore x Stroke	78.0 mm x 52.2 mm
Compression Ratio	12.7:1
Fuel System	Fuel injection with YCC-T and YCC-I
Ignition	TCI: Transistor Controlled Ignition
Transmission	6-speed w/multiplate slipper clutch
Final Drive	Chain
Front Tire	120/70-ZR17
Rear Tire	190/55-ZR17
Seat Height	835 mm
Wet Weight	206 kg
Engine Type	Liquid-cooled, 4-stroke, DOHC, inline 4-cylinder
Front Suspension	43 mm inverted fork, fully adjustable
Rear Suspension	Single shock, fully adjustable
Front Brakes	Dual 310 mm discs, radial-mount 6-piston calipers
Rear Brakes	220 mm disc, single-piston caliper
Dimensions (L x W x H)	2, 070 mm x 715 mm x 1, 130 mm
Wheelbase	1415 mm
Fuel Capacity	18 L