Triumph TF 450-E (2026) vs Harley-Davidson Harley Davidson XLS 1000 Roadster (1979-85) vs Yamaha YZF 600 R6 (2016) vs Aprilia RSV-4 APRC / ABS (2011) vs Yamaha FZ 16 Vixion (2008-10)

Comparison technical specifications

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Make:	Triumph	Harley-Davidson	Yamaha	Aprilia	Yamaha
Model:	TF 450-E	Harley Davidson XLS 1000 Roadster	YZF 600 R6	RSV-4 APRC / ABS	FZ 16 Vixion
Years:	2026	1979-85	2016	2011	2008-10
Engine:	Four stroke, single cylinder, SOHC, Del West titanium valves	Four stroke, 45° V-Twin, OHV, 2 valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, longitudinal 65° V four , DOHC, 4 valves per cylinder	Four stroke, single cylinder, SOHC, 2-valve
Capacity:	449.9 cc / cu in	998 cc / 60.8 cu-in	599 cc / 36.5 cu-in	999.1 cc / 61.0 cu-in	153 cc / 9.3 cu-in
Bore x Stroke:	95 x 63.4 mm	81 x 96.8 mm	67 x 42.5 mm	78 x 52.3 mm	58 × 57.9mm
Compression Ratio:	12.8:1	8.8;1	13.1;1	13.0:1	9.5:1
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Air-cooled
Induction:	Dell?Orto EFI with 44mm throttle body	38mm Keihin carburetor	41 mm Mikuni throttle body F.I.	Airbox with front dynamic air intakes. Variable length intake ducts controlled via ECU. 4 Weber-Marelli 48-mm throttle bodies with 8 injectors and latest generation Ride-by-Wire engine management. Choice of three different engine maps selectable by the rider with bike in motion: T (Track), S (Sport), R (Road) Magneti Marelli digital electronic ignition system integrated in engine control system, with one spark plug per cylinder and "stick-coil"-type coils	26mm CV BS26 carburetor
Ignition:	EMS	Transistorized	TCI	Electronic digital ignition integrated in the fuel management system.	CDI
Starting:	Electric	Electric	Electric	Electric	Electric and Kick
Max Power:	43.4 Kw / 57 hp	57 hp / 41.7 kW @ 6000 rpm	123.7 hp / 91 kW @ 14500 rpm	132 kW / 180 hp @ 12500 rpm	14 hp / 10.3 kW @ 7500 rpm
Max Torque:	48.8 Nm / 36 ft-lbs	55 ft-lb / 74 Nm @ 4000 rpm	65.7 Nm / 6.6 kgf-m / 47.7 ft-lb @ 11500 rpm	115 Nm / 11.7 kgf-m / 84.8 lb-ft @ 10000 rpm	14 Nm / 10.3 lb-ft @ 6000 rpm
Transmission:	6-Speed	4 Speed	6 Speed	6 Speed	5 Speed
Final Drive:	Chain, 13/52	Chain	O-ring chain	Chain	Chain
Front Suspension:	48 mm Fully adjustable KYB inverted fork, compression and rebound adjustble	Telehydraulic forks	Fully adjustable 41 mm inverted cartridge fork,	Upside-down Sachs fork with Ø43 mm stanchions. Aluminium radial caliper mounts. Completely adjustable spring preload and hydraulic compression and rebound damping.	41mm Telescopic Forks
Rear Suspension:	Fully adjustable KYB shock with adjustable linkage	Dual shocks swinging arm fork	Fully adjustable link Monocross; 4-way adjustable,	Double braced aluminium swingarm; mixed low thickness and sheet casting technology. Sachs piggy back monoshock with completely adjustable: spring preload, wheelbase, hydraulic compression and rebound damping. APS progressive linkage.	Monocross type
Front Brakes:	Single Galfer 260mm disc with Brembo 2-piston caliper	2x 254mm discs	2x 310mm discs 4 piston calipers	2 x Ø320 mm diameter floating stainless steel disc with lightweight stainless steel rotor and aluminium flange with 6 pins. Brembo monobloc radial calipers with 4 x Ø34 mm opposite. Sintered pads. Radial pump and metal braided brake hose	Single 257mm disc 2 piston caliper
Rear Brakes:	Single Galfer 245mm disc with Brembo single-piston caliper	Single 292mm disc	Single 220mm disc 1 piston caliper	Single Ø220 mm diameter disc, Brembo floating caliper with two Ø32 mm isolated pistons. Pump with integrated tank and metal braided hose	130mm Drum
Front Tyre:	90/90 x 21	MJ 90-19	120/70 ZR17	120/70 ZR17	100/80-17
Rear Tyre:	140/90 x 18	MT90-16	180/55 ZR17	200/55 ZR 17 (alternative: 190/50 ZR 17; 190/55 ZR17)	140/60-R17
Fuel Capacity:	8.3 L / 2.2 gal	13.5 Litres / 3.5 US gal	17.5 Liters / US 3.7 gal	17 Liters / 4.4 US gal	13 Litres / 3.2 US gal