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) vs Yamaha YZF1000 R1 (2002)

Comparison technical specifications

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Make:	Triumph	Harley-Davidson	Yamaha	Aprilia	Yamaha	Yamaha
Model:	TF 450-E	Harley Davidson XLS 1000 Roadster	YZF 600 R6	RSV-4 APRC / ABS	FZ 16 Vixion	YZF1000 R1
Years:	2026	1979-85	2016	2011	2008-10	2002
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	Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder.
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	998 cc / 60.9 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	74 x 58 mm
Compression Ratio:	12.8:1	8.8;1	13.1;1	13.0:1	9.5:1	11.8:1
Cooling System:	Liquid cooled	Air cooled	Liquid cooled	Liquid cooled	Air-cooled	Liquid 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	Fuel injection, dual-valve throttle bodies with motor-driven secondary valves, 45 mm throttle body
Ignition:	EMS	Transistorized	TCI	Electronic digital ignition integrated in the fuel management system.	CDI	Digital TCI
Starting:	Electric	Electric	Electric	Electric	Electric and Kick	Electric
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	152 hp / 110.8 kW @ 10500 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	104.9 Nm / 10.71 kg-m @ 8500 rpm
Transmission:	6-Speed	4 Speed	6 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Chain, 13/52	Chain	O-ring chain	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	43mm inverted telescopic forks, preload, compression and rebound damping adjustable.
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	Truss-type Aluminium swinging arm Monocross, preload, compression and rebound damping adjustable.
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	2 x 298mm discs 4 piston calipers
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	Single 220mm disc 4 piston caliper
Front Tyre:	90/90 x 21	MJ 90-19	120/70 ZR17	120/70 ZR17	100/80-17	120/70 ZR17
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	190/50 ZR17
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	18 Litres / 4.7 gal