Aprilia RS 125 R (2006) vs Aprilia Tuono 1000 R (2007) vs Aprilia SL 750 GT Shiver (2012) vs Aprilia Pegaso 650ie (2003-06) vs Ariel FH 650 Huntsmaster (Solo) (1954-58) vs Harley-Davidson Harley Davidson FXSTB/I Softail Night Train (2005-06)

Comparison technical specifications

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Make:	Aprilia	Aprilia	Aprilia	Aprilia	Ariel	Harley-Davidson
Model:	RS 125 R	Tuono 1000 R	SL 750 GT Shiver	Pegaso 650ie	FH 650 Huntsmaster (Solo)	Harley Davidson FXSTB/I Softail Night Train
Years:	2006	2007	2012	2003-06	1954-58	2005-06
Engine:	Single cylinder, two stroke, reed valves induction	Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder	Four stroke, longitudinal 90°V twin, DOHC, 4 valves per cylinder	Four stroke, single-cylinder, DOHC, 5 valves	Four stroke, twin, OHV	Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder
Capacity:	124.8 cc / 7.5 cu in	997.6 cc / 60.9 cu in	749 cc / 45.7 cu-in	652 cc / 39.8 cu in	648 cc / 39.5 cu in	1449 cc / 88.4 cu-in
Bore x Stroke:	54 x 54.5mm	97 x 67.5mm	92 x 56.4 mm	100 x 83 mm	70 x 84 mm	95.3 x 101.6 mm
Compression Ratio:	12.5:1	11.8:1	11.0:1	9.1:1	6.5:1 or 7.5:1	8.9:1
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled	Air cooled	Air cooled
Induction:	Dell'Orto PHBH 28 carburetor	Integrated electronic engine management system. Indirect multipoint electronic injection, Ø57 mm throttle bodies.	Integrated engine management system. Injection with Ride by Wire technology control of the throttle bodies	2 x Ø32 mm Mikuni BST33	Carburetor, Amal 376/12	Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection
Starting:	Electric	Electric	Electric	Electric	Kick starting	Electric
Transmission:	6 Speed	6 Speed	6 Speed	5 Speed	4-Speed	5 Speed
Final Drive:	17:40	Chain	Chain Transmission ratio: 16/44	Chain	Chain, 100 pitches	Belt
Front Suspension:	Upside-down forks, Ø 40mm	Showa 43 mm upside-down fork with adjustment for spring preload, compression and rebound damping	Ø43 mm upside-down fork.	Ø45 mm Upside down forks preload adjustable, Marzocci	Telescopic fork with hydraulic control	41.3 mm telescopic, “beer can” covers
Rear Suspension:	Monoshock, cast aluminium box section swingarm with asymmetric members	Aluminium alloy double banana swingarm. APS (Aprilia Progressive System) rising rate linkages. Sachs hydraulic monoshock with adjustment for spring preload and rebound damping	Aluminium alloy swingarm with reinforcement truss. Hydraulic shock absorber adjustable in spring preload and rebound damping.	Varying section high strength steel swing-arm, Aprilia Progressive System (APS) rising rate linkage	2 x Flexible coil springs	Hidden, horizontal-mounted, coil-over shock
Front Brakes:	Single 320 mm floating discs, 4 piston radial caliper	2 x Ø320mm floating discs, stainless steel, 4 piston calipers, Brembo Gold	2 x Ø320 mm discs, 4 piston caliper	Single Ø300 mm disc, 2 piston caliper	Drum, 7 in	Single 292mm disc 2 piston caliper
Rear Brakes:	Single 220 mm disc, 2 piston caliper	Single Ø220 mm stainless steel disc, 2 piston caliper, Brembo Gold	Single Ø245 mm disc, 2 piston caliper	Single Ø220 mm disc, 1 piston caliper	Drum	Single 292mm disc 2 piston caliper
Dimensions:	Length: 1955 mm / 77.0 in Width: 720 mm / 28.3 in Height: 1100 mm / 43.3 in	Length: 2025 mm / 79.7 in Width: 830 mm / 32.7 in Height: 1100 mm / 43.3 in	Length 2100 mm / 89 in Width 800 mm / 31.8 i in (at handlebars) Height 1135 mm / 44.6 in (at instruments)	Length: 2159 mm / 85.0 in Width: 810 mm / 31.9 in	Length: 2184 mm / 86 in Width: 686 mm / 27 in	Length 2413.0 mm / 95.0 in
Wheelbase:	1345 mm / 53.0 in	1410 mm / 55.5 in	1440 mm / 5.6 in	1478 mm / 58.2 in	1422 mm / 56 in	1699.3 mm / 66.9 in
Seat Height:	805 mm / 31.7 in	840 mm / 33.1 in	810 mm / 31.6 in	810 mm / 31.9 in	787 mm / 31 in	Laden 640.1 mm / 25.2 in unladen 680.7 mm / 26.8 in
Dry Weight:	115 kg / 254 lbs	181 kg / 399 lbs	189 Kg / 445 lbs	160 kg / 352 lbs	181 kg / 400 lbs	286 kg / 630 lbs
Fuel Capacity:	14 L / 3.7 US gal	18 L / 4.8 US gal	15 Litres / 3.9 US gal	21 Litres / 5.5 US gal	20.5 L / 5.4 US gal	18.9 Litres / 5.0 US gal