The R-Series Pedigree: YZF-R1 Model Evolution

• Conceptualized to be the "Fastest on Twisty Roads"
• Compact engine design with triangular gearbox shaft arrangement
• Long swingarm reflecting YZR500 design dimensions

• Changes to the materials used for 250 parts and components
• Use of materials like magnesium and titanium to lower weight and refine performance

• First fuel-injected R1 (three-way catalyst employing Air Induction system and fuel injection system with suction piston)
• All-new frame design
• Changed engine mounting method

• All-new exterior design
• Bigger engine bore
• Cross-deck cylinder design to change compression ratio
• Carburized fracture-split connecting rods
• Underseat mufflers

• Higher output from a review and redesign of the intake system
• Adjustments to the engine mounting method
• Extended the swingarm to lengthen the wheelbase by 16 mm

• Changed to a 4-valve per cylinder design
• Changed compression ratio
• Adopted Yamaha Chip Controlled Intake (YCC-I) and Yamaha Chip Controlled Throttle (YCC-T) systems
• All-new frame design
• New layered fairing design

• Adopted crossplane crankshaft for the engine
• All-new frame design

• Updated front and rear design
• New ECU mapping
• Adopted traction control system

• Concept changed to be the "Fastest on the Racetrack"
• All-new engine design
• Roller rocker arms
• Titanium connecting rods
• Offset cylinder design (first for a Yamaha 4-cylinder motorcycle)
• Adopted a 6-axis Inertial Measurement Unit (IMU)
• All-new frame design
• All-aluminum fuel tank
• Magnesium subframe
• Cast magnesium wheels
• TFT display
• Öhlins Electronic Racing Suspension (R1M)
• Carbon bodywork (R1M)
• Datalogger (R1M)

• New finger rocker arms
• New bodywork (aerodynamic drag reduced by 5%)
• Engine Brake Management (EBM) and Brake Control (BC) features added
• Öhlins gas-charged front fork (R1M)

Overall length

Overall width

Overall height

Seat height

Wheelbase

Wet(with oil and a full fuel tank)

Engine type

Cylinder arrangement

Displacement

Bore & stroke

Compression ratio

Maximum horse power

Maximum torque

Lubrication system

Engine oil capacity

Fuel tank capacity

Frame type

Caster angle

Trail

Steering Angle

Tire size(Front)

Tire size(Rear)

Rim size(Front)

Rim size(Rear)

Brake type(Front)

Brake type(Rear)

Diameter of brake disk(Front)

Diameter of brake disk(Rear)

Inside diameter of drum / Effective diameter of disc(Front)

Inside diameter of drum / Effective diameter of disc(Rear)

Suspension type(Front)

Suspension type(Rear)

Shock absorber assembly type(Front)

Shock absorber assembly type(Rear)

Wheel travel(Front)

Wheel travel(Rear)

Inner tube diameter of front fork

Headlight bulb type

Headlight

Auxiliary light

Brake/tail light

Turn signal light(Front)

Turn signal light(Rear)

Speedometer