Yamaha YZF-R3 Specification and Models

Yamaha YZF-R3

The Yamaha YZF-R3, which also known as the R3, is a 321cc two-cylinder sports bike. The YZF-R3 has been updated for 2019.

Yamaha YZF-R3 Specification

The Yamaha R3 is an entry-level sports bike that is in the same range as other 250-400cc bikes. See, for example, the Kawasaki Ninja 300, Honda CBR300R, and KTM 390 series, which have some design similarities to the R25, such as the engine.

The engine uses a downstream fuel injection system and 10-spoke cast aluminum wheels reduce unsprung weight. The cylinders are made entirely of aluminum. For 2017, the YZF-R3 offers optional ABS. The 2018 model is equipped with a dual-channel ABS and is EURO IV compliant.

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Yamaha YZF-R3 Specification

Yamaha YZF-R3 Specification
Class	Sport bike
Engine	321 cc (19.6 cu in) liquid-cooled 4-stroke 8-valve DOHC 180° inline-twin
Bore / stroke	68.0 mm × 44.1 mm (2.68 in × 1.74 in)
Compression ratio	11.02.01
Top speed	180 km/h (110 mph) (Estimated)166 km/h (103 mph)
Power	31 kW (42 hp) @ 10,750 rpm (claimed)27.4 kW (36.7 hp) @ 10,750 rpm (rear wheel)
Torque	21.8 lb⋅ft (29.6 N⋅m) @ 9,000 rpm (claimed)19.8 lb⋅ft (26.8 N⋅m) @ 9,100 rpm (rear wheel)
Transmission	6-speed constant mesh
Frame type	Steel diamond
Suspension	Front: 41 mm telescopic fork
Suspension	Rear: swingarm
Brakes	Front: Single 298 mm hydraulic disc
Brakes	Rear: Single 220 mm hydraulic disc
Tires	Front: 110/70-17H
Tires	Rear: 140/70-17H
Rake, trail	25°, 95 mm (3.7 in)
Dimensions	L: 2,090 mm (82 in)
	W: 720 mm (28 in)
	H: 1,135 mm (44.7 in)
Seat height	780 mm (31 in)
Weight	167 kg (368 lb) (wet)
Fuel capacity	14.0 L (3.1 imp gal; 3.7 US gal)