Aprilia AF1 125 Sport Pro (1992-93) vs Aprilia SX 125 (2008-09) vs Aprilia Pegaso 650 Strada (2006-07) vs Aprilia Pegaso 650 Strada (2008-09) vs Aprilia RS 125 Nero (2006)

Comparison technical specifications

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Make:	Aprilia	Aprilia	Aprilia	Aprilia	Aprilia
Model:	AF1 125 Sport Pro	SX 125	Pegaso 650 Strada	Pegaso 650 Strada	RS 125 Nero
Years:	1992-93	2008-09	2006-07	2008-09	2006
Engine:	Two stroke, single cylinder light alloy and barrel with GILNISIL surface coating	Two stroke, single cylinder Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard.	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, single cylinder, SOHC, 4 valves	Single cylinder, two stroke, reed valves induction
Capacity:	124.7 cc / 7.6 cu in	125 cc / 7.6 cu-in	659 cc / 40.2 in	659 cc / 40.2 in	124.8 cc / 7.5 cu in
Bore x Stroke:	54 x 54.5 mm	54 x 54.5 mm	100 x 84 mm	100 x 84 mm	54 x 54.5mm
Compression Ratio:	18:1	12.5:1	10.0:1	10.0:1	12.5:1
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Induction:	Dell'Orto Ø 34 mm carburetor	DellOrto VHST 28	Electronic fuel injection. Ø44mm throttle body	Electronic fuel injection. Ø44mm throttle body	Dell'Orto PHBH 28 carburetor
Ignition:	Electronic	Electronic CDI	Digital	Digital	CDI electronic ignition
Starting:	Electric	Kick	Electric	Electric	Electric
Max Power:	22.3 kW / 33 hp @ 11 000 rpm	16.4 kW / 22 hp	36.4 kW / 48 hp @ 6250 rpm	36.4 kW / 48 hp @ 6250 rpm	21 kW / 28 hp @ 10500 rpm
Max Torque:	19.6 Nm / 2.0 kgf-m / 14.5 lb-ft @ 10000 rpm	16.0 Nm / 1.6 kgf-m / 11.8 ft-lb	61.3 Nm / 6.25 kgf-m / 45.2 lb-ft @ 5200 rpm	61.3 Nm / 6.25 kgf-m / 45.2 lb-ft @ 5200 rpm	19 Nm / 1.9 kgf-m / 14.1 lb-ft @ 9000 rpm
Transmission:	6 Speed	6 Speed	5 Speed	5 Speed	6 Speed
Final Drive:	Chain	Chain	Chain	Chain	17:40
Front Suspension:	Upside down fork, Ø 40 mm	Upside down telescopic fork, Ø40 mm	Ø45 mm Marzocchi telescopic fork	Ø45 mm Marzocchi telescopic fork	Upside-down forks, Ø 40mm
Front Wheel Travel:	120 mm / 4.7 in	260 mm / 10.2 in	170 mm / 6.7 in	170 mm / 6.7 in	120 mm / 4.7 in
Rear Suspension:	Aprilia Progressive System with hydraulic single shock-absorber	Steel swingarm. Hydraulic monoshock with piggy back cylinder	High strength steel swingarm. Aprilia Progressive System (APS) rising rate linkages. Sachs hydraulic monoshock with adjustable rebound and preload.	High strength steel swingarm. Aprilia Progressive System (APS) rising rate linkages. Sachs hydraulic monoshock with adjustable rebound and preload.	Monoshock, cast aluminium box section swingarm with asymmetric members
Rear Wheel Travel:	120 mm / 4.7 in	270 mm / 10.6 in	170 mm / 6.7 in	170 mm / 6.7 in	120 mm / 4.7 in
Front Brakes:	Single Ø 320 mm disc, 4 piston caliper	Single 260mm disc, sliding 2 piston caliper, Brembo	Single Ø320 mm disc, 2 piston floating caliper, Brembo	Single Ø320 mm disc, 2 piston floating caliper, Brembo	Single 320 mm floating discs, 4 piston radial caliper
Rear Brakes:	Single Ø 240 mm disc, 2 piston caliper	Single 220mm disc, sliding 1 piston caliper	Single Ø240 mm disc, 1 piston floating caliper, Brembo	Single Ø240 mm disc, 1 piston floating caliper, Brembo	Single 220 mm disc, 2 piston caliper
Front Tyre:	100/80 -17	110/70 17	100/90-19	100/90-19	110/70-17
Rear Tyre:	140/70 -17	150/60 17	130/80-17	130/80-17	150/60-17
Seat Height:	800 mm / 31.5 in	870 mm / 34.3 in	820 mm / 32.3 in	820 mm / 32.3 in	805 mm / 31.7 in
Fuel Capacity:	14.5 Litres / 3.8 US gal	10 liters / 2.6 US gal	16 Litres / 4.2 US gal	16 Litres / 4.2 US gal	14 Litres / 3.7 US gal
Top Speed:	174 km/h / 108 mph	132 km/h / 82 mph	163 km/h / 101 mph	163 km/h / 101 mph	155 km/h / 96 mph