Aprilia RS 660 (2020) vs Cagiva Elefant 650 (1985-86) vs BMW K 1300 S (2014) vs Ducati Hypermotard 939 SP (2017) vs Suzuki DR 125SM (2008-12)

Comparison technical specifications

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Make:	Aprilia	Cagiva	BMW	Ducati	Suzuki
Model:	RS 660	Elefant 650	K 1300 S	Hypermotard 939 SP	DR 125SM
Years:	2020	1985-86	2014	2017	2008-12
Engine:	Four stroke, Forward facing parallel twin, DOHC with silent chain drive on the right side, four valves per cylinder.	Four stroke, 90° “L”twin cylinder, SOHC, desmodromic 2 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Testastretta 11°, L-Twin cylinder, 4 valve per cylinder, Desmodromic	Four stroke, single cylinder, OHC, 2 valves per cylinder.
Capacity:	659 cc / 40.2 cu-in	649 cc / 39.6 cu-in	1298 cc / 79.2 cu in.	937 cc / 57.2 cu in	124 cc / 7.6 cu in
Bore x Stroke:	81 x 63.93 mm	82 x 61 mm	80 x 64.3 mm / 3.15 x 2.53 in	94 x 67.5 mm	57 x 48.8 mm
Compression Ratio:	13.5: 1	10.0:1	13.0:1	13.1:1	9.2:1
Cooling System:	Liquid cooled with radiator and water-oil heat exchanger	Air cooled	Liquid cooled	Liquid cooled	Air cooled
Induction:	Airbox with front air intake. 2 ∅48 mm throttle bodies, Ride-By-Wire management	2x 36mm Dell'Orto carburetors	Electronic fuel injection, Digital Motor Electronics with integrated knock control (BMS-K)	Magneti Marelli electronic fuel injection system. Throttle bodies with full Ride by Wire system	Fuel injection
Starting:	Electric	Electric	Electric	Electric	Electric
Max Power:	100 hp / 73.5 kW @ 10,500 rpm	54 hp / 40 kW @ 8400 rpm	127 kW / 173 hp @ 9250 rpm	83.1 kW / 113 hp @ 9000 rpm	8.9 kW / 12 hp
Max Torque:	67.0 Nm / 6.83 kgm @ 8,500 rpm	54 Nm / 39.8 lb-ft @ 6200 rpm	140 Nm / 14.3 kgf-m / 103 lb-ft @ 8250 rpm	97.9 Nm / 9.98 kgf-m / 72.2 lb-ft @ 7500 rpm	9.5 Nm / 0.97 kgf-m / 7 lb-ft
Transmission:	6 Speed, AQS Aprilia Quick Shift	5 Speed	6 Speed	6-Speed	5 Speed constant mesh
Final Drive:	Chain	Chain	Shaft	Chain, front sprocket 15, rear sprocket 43	Chain
Front Suspension:	Kayaba upside down fork ∅ 41 mm with counter spring, aluminium feet for fixing radial calipers. Adjustable for rebound, compression and spring preload.	Air adjustable forks 42mm tubes	BMW Motorrad Duolever, central spring strut, Paralever; central spring strut with lever system	Öhlins fully adjustable 50mm usd forks	Conventional forks, 35 mm, coil spring, oil damped
Rear Suspension:	Aluminium swingarm with asymmetrical trusses. Monoshock with adjustable counter spring: rebound and spring preload.	Single shock absorber. adjustable for spring preload	Cast aluminium single swing arm with BMW Motorrad, spring pre-tension with infinite hydraulic adjustment	Progressive linkage with fully adjustable Öhlins monoshock. Aluminium single-sided swingarm	Swingarm, single shock, non adjust, coil spring, oil and gas damped
Front Brakes:	2x 320mm Brembo radial calipers with 4 32mm opposing pistons. Radial pump and metal braided brake hose	Single 260mm disc 4 piston caliper	2x 320mm discs, 4 piston calipers	2 x 320 mm Semi-floating discs, radially mounted Brembo monobloc callipers, 4-piston 2-pad, axial pump with adjustable lever, with Bosch ABS as standard	Single 250 mm disc, 2 piston caliper
Rear Brakes:	Single 220mm disc; Brembo calliper with 2 isolated ∅ 34mm pistons. Pump with integrated tank and metal braided hos	Single 240mm disc 2 piston caliper	Single 265mm disc, 2 piston caliper	245 mm Disc, 2-piston calliper, with Bosch ABS as standard	Single 222 mm disc, 1 piston caliper
Front Tyre:	120/70 ZR 17 Tubeless radials	90/90-21	120/70 ZR17	Pirelli Diablo Supercorsa SP 120/70 ZR17	100/80 -17 M/C 52H, tube type
Rear Tyre:	180/55 ZR 17 (alternatively 180/60 ZR17) Tubeless radials	130/90-17	190/55 ZR17	Pirelli Diablo Supercorsa SP 180/55 ZR17	130/70 -17 M/C 62H, tube type
Wheelbase:	1370 mm / 53.9 in	1520 mm / 59.8 in	1585 mm / 62.4 in	1498 mm / 59.0 in	836 mm / 32.9"
Seat Height:	815 mm / 32.0 in	905 mm / 35.6 in	820 mm/ 32.3 in - low seat 790 mm / 31.1 in	890 mm / 35.0 in	836 mm / 32.9"
Dry Weight:	169 kg / 372.5 lbs	191 kg / 421 lbs	228 kg / 503 lbs	178 kg / 392 lbs	121 kg / 267 lbs
Fuel Capacity:	15 Litres / 3.9 US gal	17.5 Litres / 4.6 US gal	19 Litres / 5.0 US gal	16 Litres / 4.2 US gal / 3.5 Imp gal	9 Litres / 2.4 US gal / 2.0 Imp gal