The YZF-R3 is a lightweight A2-licensed supersport bike developed using Yamaha's R-series DNA. It has a powerful 321cc inline twin cylinder engine that produces 30.9kW of power and excellent torque. The bike features an aerodynamic full fairing, sporty yet comfortable suspension, and strong braking performance from its front and rear disc brakes with ABS. The YZF-R3 is designed for everyday use on urban roads and highways.

1. YZF-R3 Overview
 Lightweight A2-licence category supersport bike for everyday use
 Developed using pure R-series DNA
 Powerful, smooth and strong 320cc inline twin cylinder engine
 Slim and light chassis offering predictable and sporty handling
 Aggressive R-series dual headlight full fairing
 Aerodynamic bodywork with mass-forward image
 Sporty and comfortable suspension
 Strong braking performance with ABS as standard
 Designed to fit everyday use in urban and highway situations
 YZF-R3 Engine Technical Highlights
 321cc liquid-cooled 4-stroke DOHC 4-valve inline twin cylinder engine
 Excellent power and torque characteristics
 30.9kW/42PS @ 10,750 rpm
 29.6Nm/3.0 kg-m @ 9,000rpm
 Good low to mid-speed rideability
 Direct drive camshaft for excellent high rpm performance
 Forged aluminium pistons for reduced reciprocating weight
 Light and strong carburized con rods
 Lightweight DiaSil low-friction cylinders
 Offset cylinders for reduced frictional losses
 Compact combustion chamber design
 R6-inspired 2-into-1 muffler
 Primary coupled balancer
 Progressive throttle pulleys for smooth acceleration
YZF-R3 Chassis Technical Highlights
 Predictable handling
 Lightweight tubular steel diamond type frame
 169kg wet weight
 Virtually 50/50 front/rear weight distribution
 Short 1,380mm wheelbase
 Long R1-inspired swingarm with identical swingarm/wheelbase ratio
 41mm frontforks with 130mm wheel travel
 Lightweight Monocross rear suspension giving 125mm wheel travel
 Lightweight 10-spoke cast aluminium wheels
 Floating 298mm front disc/220mm rear disc
 ABS fitted as standard equipment
 Multifunction instruments, analogue tachometer/digital speedometer
 780mm seat height with separate rider & passenger seats
 Clip on handlebars with wide 68 degree turning angle
 14-litre fuel tank for good riding range
TECHNICAL SPECIFICATIONS 2015 YZF-R3
ENGINE
Type Liquid cooled,4-stroke,DOHC,4-
valve

2. In-line,2-cylinder
Displacement 321 cc
Bore x stroke 68.0 × 44.1 mm
Compression Ratio 11.2 : 1
Max. Power 30.9 kW (42.0 PS)@ 10,750 rpm
Max. Torque 29.6 Nm (3.0 kg-m) @ 9,000 rpm
Lubrication system Force-feed lubrication,wet sump
Fuel supply system Fuel Injection
Clutch type Wet, multiple-disc
Ignition system TCI
Starter system Electric
Transmission system Constant mesh, 6-speed
Final transmission system Chain
CHASSIS
Frame Diamond
Front suspension Telescopic fork, Ø 41 mm
Front wheel travel 130 mm
Rear suspension Swingarm
Rear wheel travel 125 mm
Caster angle 25º
Trail 95 mm
Front brake Hydraulic single disc, Ø 298 mm
Rear brake Hydraulic single disc, Ø 220 mm
Front tyre 110/70-17M/C 54H (Tubeless)
Rear tyre 140/70-17M/C 66H (Tubeless)
DIMENSIONS
Overall length 2,090 mm
Overall width 720 mm

3. Overall height 1,135 mm
Seat height 780 mm
Wheelbase 1,380 mm
Min. ground clearance 160 mm
Wet weight (including full oil and fuel
tank)
169 kg
Fuel capacity 14.0 litres
Oil capacity 2.4 litres
Specification are subject to change
without notice, in accordance with
national regulation and legislations'