KTM RC 390 vs Yamaha YZF-R3: specs compared

Side-by-side specs of the KTM RC 390 (2024) and the Yamaha YZF-R3 (2025-present), using the latest model year of each.

Key differences

Specification	KTM RC 390 2024 Remove	Yamaha YZF-R3 2025-present Remove
Category	Supersport	Supersport
Years	2024	2025-present
Engine	single-cylinder , 4 strokes Injection Ø 46 mm Cooling system : liquid 2 ACT 4 valves 373.20 cc 44 ch (43.40 hp) to 9,000 rpm 3.90 mkg to 7,000 rpm	321cc liquid-cooled parallel-twin, DOHC, 8-valve, EFI, Euro 5+, assist-and-slipper clutch
Cylinders	1	2
Displacement	373 cc	321 cc
Power	43.4 hp @ 9,000 rpmBest	42 hp @ 10,750 rpm
Torque	38.2 Nm @ 7,000 rpmBest	29.5 Nm @ 9,000 rpm
Transmission	6 stage gearbox , manual - optional shifter Secondary by chain	6-speed manual with assist-and-slipper clutch, chain final drive
Final drive	chain	chain
Weight	164 kg (wet)Best	169.2 kg (wet)
Seat height	824 mm	779 mm
Fuel capacity	13.7 L	14 LBest
Front suspension	Reverse telehydraulic fork Ø 43 mm, Wheel travel : 120 mm (4.72 in) Compression and rebound adjustment	KYB inverted (USD) fork, adjustable preload and rebound damping, 5.1 in (130mm) travel
Rear suspension	Mono-damper, Wheel travel : 150 mm (5.91 in) Preload and rebound adjustment	KYB monocross single shock, preload-adjustable, 4.9 in (125mm) travel
Brake system	ABS	ABS standard
Front brake	1 disc Ø 320 mm (12.6 in), 4-piston caliper	Single 298mm hydraulic disc
Rear brake	1 disc Ø 230 mm (9.06 in), single-piston caliper	Single 220mm hydraulic disc
Front tire	110/70-17	110/70-17 Dunlop Sportmax GPR-300
Rear tire	150/60-17	140/70-17 Dunlop Sportmax GPR-300
Quickshifter	Not available	No
Launch price	Not available	USD 5,499 (US)