Aprilia Tuareg 125 Wind (1990-) vs Aprilia Tuono V4 1100 (2021) vs Aprilia AF1 125 Sintesi (1988) vs Aprilia ETX 125 (1984-85) vs Aprilia RS4 125 GP Replica (2018) vs Aprilia RSV-4 Factory (2010)

Comparison technical specifications

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Make:	Aprilia	Aprilia	Aprilia	Aprilia	Aprilia	Aprilia
Model:	Tuareg 125 Wind	Tuono V4 1100	AF1 125 Sintesi	ETX 125	RS4 125 GP Replica	RSV-4 Factory
Years:	1990-	2021	1988	1984-85	2018	2010
Engine:	Two stroke, single cylinder	Four stroke, longitudinal 65° V4 cylinder, DOHC, 4 valves per cylinder	Two stroke, single cylinder, light alloy, barrel with Gilnisil coating	Two stroke single cylinder	Four stroke, single cylinder, DOHC, 4 valves	Four stroke, longitudinal 65° V four , DOHC, 4 valves per cylinder
Capacity:	124 cc / 7.6 cu in	1077 cc / 65.7 cu in	124.7 cc / 7.6 cu in	123.6 cc / 7.54 cu in	124.8 cc / 7.6 cu in	999.6 cc / 61 cu in
Bore x Stroke:	54 x 54 mm	81 x 52.3 mm	54 x 54.5 mm	54 x 54 mm	58 X 47 mm	78 x 52.3 mm
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Transmission:	6 Speed	6 Speed gearbox with Aprilia Quick Shift (AQS)	6 Speed	6 Speed	6 Speed	6 Speed
Final Drive:	Chain	Chain: 40/15	Chain	Chain	Chain: 60/13 (4.61)	Chain: Drive ratio: 40/16 (2,5)
Front Suspension:	Telescopic fork	43mm Sachs front fork, fully adjustable	Telescopic fork, Ø 38 mm	Hydraulic telescopic front fork, Marzocchi Ø35 mm	Ø41 mm Upside down fork	Öhlins Ø43 mm upside-down fork. Lower fork bottoms for radial calipers. Adjustment for preload, compression and rebound.
Rear Suspension:	Mono shock	Sachs fully adjustable single shock absorber	Aprilia progressive mono shock system, Sebach	Swingarm with single shock absorber	Asymmetric swingarm with monoshock	Double arch aluminium swingarm; mixed thin-wall casting and pressed sheet construction. Öhlins monoshock with piggy-back cylinder. Adjustments for compression, rebound, spring preload and length. APS rising rate linkages.
Front Brakes:	Single disc	2x 330 mm, Brembo M50 monobloc radial caliper with 4 pistons. Radial brake pump with metal braided hose	Single Ø 320 mm floating disc, 4 piston caliper, Brembo	Single disc, Ø230 mm	Single 300 mm disc, 4 piston caliper	2 x Ø320 mm lightweight stainless steel floating discs, Brembo monobloc radial calipers with 4 opposed pistons. Sintered pads. Radial master cylinder. Metal braided brake line.
Rear Brakes:	Drum	Single 220 mm disc, Brembo floating 2 piston calliper. Pump with integrated tank and metal braided hose	Single Ø 240mm disc, 2 piston caliper	Drum, Ø125 mm	Single 218 mm disc, 1 piston caliper	Single Ø220 mm disc. Brembo floating caliper with 2 insulated pistons. Sintered pads. Master cylinder with integral reservoir. Metal braided brake line.
Front Tyre:	2.75-21	120/70 ZR 17 Radial tubeless	100/80-17	2.75-21	110/80 17	120/70 ZR17
Rear Tyre:	4.60-17	190/55 ZR 17 (alternative 190/50 ZR 17) Radial tubeless	130/70-17	4.00-18	130/70 17	190/55 ZR17