Aprilia ETV 1000 Caponord (2001) vs Aprilia Atlantic 300 (2012-13) vs Aprilia ETX 125 (1988-96) vs Aprilia RS4 125 (2014-15) vs Aprilia RS 660 Stars and Stripes Limited Edition (2022) vs Aprilia Tuareg 660 Rally (2025)

Comparison technical specifications

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Make:	Aprilia	Aprilia	Aprilia	Aprilia	Aprilia	Aprilia
Model:	ETV 1000 Caponord	Atlantic 300	ETX 125	RS4 125	RS 660 Stars and Stripes Limited Edition	Tuareg 660 Rally
Years:	2001	2012-13	1988-96	2014-15	2022	2025
Engine:	Four stroke, longitudinal 60° V-twin, DOHC, 4 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valves	Two stroke single cylinder	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder	Four stroke, forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder
Capacity:	997.6 cc / 60.9 cu in	278.3 cc / 17.0 cu in	123.6 cc / 7.54 cu in	124.8 cc / 7.6 cu in	659 cc / 40.2 cu-in	659 cc / 40.2 cu-in
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled with radiator and water-oil heat exchanger	Liquid cooled
Compression Ratio:	10.4:1	10.5 - 11.5 : 1	15.5:1	12.5 ± 0.5:1	13.5: 1	-
Transmission:	6 Speed	Automatic CVT	6 Speed	6 Speed	6 Speed, AQS Aprilia Quick Shift	6 Speed, AQS Aprilia Quick Shift
Final Drive:	Chain	V-belt	Chain	Chain	Chain, with drive ratio: 17/43	Chain, with drive ratio: 17/43
Frame:	Wave twin beam in box-type aluminium-magnesium alloy, highly-resistant removable steel rear subframe	Steel tubes twin cradle	Single steel beam cradle	Aluminum perimeter frame	Double beam aluminium frame with detachable rear seat	Tubular steel frame, engine used as a stressed member and aluminium plates
Front Suspension:	Marzocchi hydraulic fork, Ø50 mm	Hydraulic telescopic fork, legs Ø35 mm	Hydraulic telescopic front fork, Marzocchi Ø35 mm	Ø41 mm Upside down fork	Kayaba upside down fork ∅ 41 mm with counter spring, aluminium feet for fixing radial calipers. Adjustable for rebound, compression and spring preload.	43mm Kayaba USD Off-road tuned fork, fully adjustable
Rear Suspension:	Aluminium alloy swing arm, progressive linkage. Sachs hydraulic shock absorber, rebound and preload adjustable.	Floating engine unit secured to frame with 2 arms at right angles with each other, and 1 twin action hydraulic shock absorber, with adjustable spring preload. Stroke, 105 mmm wheel travel.	Swingarm with single shock absorber	Asymmetric swingarm with monoshock	Aluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload.	Kayaba Off-road tuned monoshock, fully adjustable,
Front Brakes:	2 x Ø300 mm discs, 2 piston calipers with ABS	Single Ø240 mm disc, 3 piston floating caliper	Single disc, Ø230 mm	Single Ø300 mm disc, 4 piston caliper	2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose	2 x 300 mm Floating disc. Brembo calipers
Rear Brakes:	Single Ø270 mm disc, 2 piston caliper with ABS	Single Ø190 mm disc, 2 piston fixed caliper	Drum, Ø125 mm	Single Ø218 mm disc, 1 piston caliper	Single 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hos	Single 260 mm disc. Brembo caliper
Front Tyre:	110/80 VR19	110/90 -13	2.75-21	110/80 17	120/70 ZR 17 Tubeless radials	21 in with inner tube
Rear Tyre:	150/70 VR17	130/70 -13	4.00-18	130/70 17	180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials	18 in with inner tube
Fuel Capacity:	25 Litres / 6.6 US gal	9.5 Litres / 2.5 US gal	10 Litres / 2.6 US gal	14.5 Liters / 3.8 gal	15 Litres / 3.9 US gal	18 Litres / 4.6 US gal