Aprilia Tuono V4 R (2011) vs Aprilia Tuono 1000 R (2009) vs Royal Enfield Bullet Chrome 500 EFI (2011-12) vs Aprilia RS 660 Stars and Stripes Limited Edition (2022) vs Cagiva W8 125 (1991-99) vs Aprilia Atlantic 200 (2008-10)

Comparison technical specifications

Add bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike	Remove bike
Make:	Aprilia	Aprilia	Royal Enfield	Aprilia	Cagiva	Aprilia
Model:	Tuono V4 R	Tuono 1000 R	Bullet Chrome 500 EFI	RS 660 Stars and Stripes Limited Edition	W8 125	Atlantic 200
Years:	2011	2009	2011-12	2022	1991-99	2008-10
Engine:	Four stroke, longitudinal 65° V four , DOHC, 4 valves per cylinder	Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder	Four Stroke, single Cylinder, OHV	Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder	Two stroke, single cylinder	Four stroke, single cylinder, SOHC, 4 valves per cylinder
Capacity:	998.9 cc / 60.96 cu in	997.6 cc / 60.9 cu in	499 cc / 30.4 cu-in	659 cc / 40.2 cu-in	125 cc / 7.6 cu-in	199 cc / 12.1 cu in
Bore x Stroke:	78 x 52.3 mm	97 x 67.5mm	84 x 90 mm	81 x 63.93 mm	56 x 50.6 mm	72 x 48.6 mm
Compression Ratio:	13.0:1	11.8:1	8.5:1	13.5: 1	13.0:1	11.5:1
Cooling System:	Liquid cooled	Liquid cooled	Air Cooled	Liquid cooled with radiator and water-oil heat exchanger	Liquid cooled	Liquid cooled
Induction:	Airbox with front dynamic air intakes. 4 Weber-Marelli Ø48 mm throttle bodies with 4 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)	Integrated electronic engine management system. Indirect multipoint electronic injection, Ø57 mm throttle bodies.	Electronic Fuel Injection (EFI)	Airbox with front air intake. 2 ∅48 mm throttle bodies, Ride-By-Wire management	Single carburetor	Keihin CVK 7C Ø 30 mm or Walbro WVF 7D Ø29 mm
Starting:	Electric	Electric	Electric & Kick	Electric	Kick	Electric
Max Power:	120.8 kW / 162 hp @ 11000 rpm	102 kW / 139 hp @ 9500 rpm	20.3 kW / 27.2 hp @ 5200 rpm	100 hp / 73.5 kW @ 10,500 rpm	30 hp / 22 kW @ 9400 rpm	10 kW / 13.5 hp @ 8000 rpm
Max Torque:	110 Nm / 11.2 kgf-m / 81.1 lb-ft @ 9000 rpm	107 Nm / 10.9 kgf-m / 78.8 ft-lb @ 8500 rpm	41.3 Nm / 4.2 kgf-m / 30.5 lb-ft @ 4000 rpm	67.0 Nm / 6.83 kgm @ 8,500 rpm	19.9 Nm / 14.6 lb-ft @ 9400 rpm	11 Nm / 1.1 kgf-m / 8.1 lb-ft @ 7250 rpm
Clutch:	Multiplate wet clutch with mechanical slipper system	Multiple disk in oil bath with patented PPC power-assisted hydraulic control	Wet, multiplate	Wet, multi-plate, slipper	Wet multiplate	Centrifugal
Transmission:	6 Speed	6 Speed	5 Speed, constant mesh	6 Speed, AQS Aprilia Quick Shift	6 Speed	Automatic
Final Drive:	Chain	Chain	Chain	Chain, with drive ratio: 17/43	Chain	Belt
Front Suspension:	Sachs upside down front fork with Ø43 mm stanchions. Low profile forged aluminium caliper mountings for radial calipers. Completely adjustable spring preload and hydraulic compression and rebound damping.	Showa 43 mm upside-down fork with adjustment for spring preload, compression and rebound damping	Telescopic, Hydraulic Damping, Stroke 130 mm wheel travel	Kayaba upside down fork ∅ 41 mm with counter spring, aluminium feet for fixing radial calipers. Adjustable for rebound, compression and spring preload.	Telescopic forks	Hydraulic forks, Ø 35 mm
Rear Suspension:	Double braced aluminium swingarm; mixed low thickness and sheet casting technology. Sachs piggy back monoshock with completely adjustable: spring preload and hydraulic compression and rebound damping. APS progressive linkage.	Aluminium alloy double banana swingarm. APS (Aprilia Progressive System) rising rate linkages. Sachs hydraulic monoshock with adjustment for spring preload and rebound damping	Twin shocks, gas charged with 5-step adjustable preload	Aluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload.	Single shock	Single hydraulic shock, adjustable preload
Front Brakes:	2x Ø320 mm floating stainless steel discs with lightweight stainless steel rotor with 6 studs. Brembo radial calipers with 4 horizontally opposed Ø32 mm pistons. Sintered pads. Axial pump master cylinder and metal braided brake hoses.	2 x Ø320mm floating discs, stainless steel, 4 piston calipers, Brembo Gold	Single 280mm disc, 2 piston caliper	2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose	Single disc	Single Ø 240 mm disc, with hydraulic transmission
Rear Brakes:	Single Ø220 mm diameter disc, Brembo floating caliper with two Ø32 mm isolated pistons. Pump with integrated tank and metal braided hose	Single Ø220 mm stainless steel disc, 2 piston caliper, Brembo Gold	Drum, Ø 152 mm, single leading shoe internal expanding	Single 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hos	Single disc	Single Ø 190mm disc, with hydraulic transmission, combined with front
Front Tyre:	120/70 ZR17	120/70 ZR17	90/90-19	120/70 ZR 17 Tubeless radials	90/90-21	110/90 -13
Fuel Capacity:	17 Litres / 4.5 US gal	18 Litres / 4.8 US gal	14.5 Litres / 3.8 US gal	15 Litres / 3.9 US gal	14 Litres / 3.7 US gal	10.5 Litres / 2.8 US gal