Beta M4 Motard (2009-12) vs Ducati Scrambler Icon Dark (2020) vs BMW K75S (1992) vs Beta Alp 4.0 (2005-06) vs BMW R 100S (1976-78)

Comparison technical specifications

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Make:	Beta	Ducati	BMW	Beta	BMW
Model:	M4 Motard	Scrambler Icon Dark	K75S	Alp 4.0	R 100S
Years:	2009-12	2020	1992	2005-06	1976-78
Engine:	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, 90° “L” twin cylinder, SOHC, desmodromic 2 valve per cylinder	Four-stroke, horizontal three cylinder in-line, DOHC, 2 valves per cylinder	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder
Capacity:	349 cc / 21.3 cu in	803 cc / 49.0 cub in	740 cc / 45 cub. in.	349 cc / 21.3 cu in	980 cc / 59.8 cu in
Bore x Stroke:	79 x 71.2 mm	88 x 66 mm	67 x 70 mm	79 x 71.2 mm	94 x 70.6 mm
Compression Ratio:	9.5:1	11.0:1	11.0:1	9.5:1	9.5:1
Induction:	Mikuni BEST 33	Electronic fuel injection, 50 mm throttle body	Electronic injection, Bosch LE-Jetronic	Mikuni BST 33	2 x constant depression carburettors, Bing 94/40/105 - 94/40/106
Starting:	Electric	Electric	Electric	Electric	Electric
Max Power:	19.2 kW / 25.8 hp @ 6600 rpm	73 hp / 54 kW @ 8250 rpm	55 kW / 75 hp @ 8500 rpm	20 kW / 27 hp	51 kW / 70 hp @ 7000 rpm
Max Torque:	28.4 Nm / 2.9 kgf-m / 20.9 lb-ft @ 6050 rpm	67 Nm / 49 lb-ft @ 5750 rpm	68 Nm / 6.9 kgf-m / 50 ft lb @ 6750 rpm	28 Nm / 2.9 kgf-m 21 lb-ft	76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm
Transmission:	6 Speed	6 Speed	5 Speed	6 Speed	5 Speed
Frame:	Steel, double cradle	Tubular steel Trellis frame	Double-downtube frame with engine as a stressed member; box-section aluminum monolever swing arm.	Tubular steel, double closed cradle	Double sown tubs, dual cradle
Front Suspension:	28 mm Ø hydraulic forks	Upside down Kayaba 41 mm Kayaba Fork	Telescopic fork with hydraulic shock absorber.	Hydraulic fork, 48mm Ø	Telescopic fork with hydraulic shock absorber.
Front Wheel Travel:	200 / 7.9 in	150 mm / 5.9 in	185mm / 7.3 in.	200 mm / 7.9 in	200 mm / 7.8 in
Rear Suspension:	Single shock adjustable spring preload, 220mm wheel travel	Kayaba rear shock, pre-load adjustable	Monolever swinging arm.	Single shock adjustable spring preload	Long swinging arm with adjustable strut.
Rear Wheel Travel:	220 mm / 8.7 in	150 mm / 5.9 in	114mm / 4.5 in.	220 mm / 8.7 in	125 mm / 4.9 in
Front Brakes:	Single 310 mm Ø disc	Single 330 mm disc, radial 4-piston calliper with Bosch Cornering ABS as standard equipment	2 x ∅285mm discs, 2 piston calipers	Single 260 mm Ø disc, 2-piston caliper	2 x ∅260mm Discs, 2 piston calipers
Rear Brakes:	Single 220 mm Ø disc	Single 245 mm disc, 1-piston floating calliper with Bosch Cornering ABS as standard equipment	Single ∅285mm disc	Single 220 mm Ø disc, 2-piston caliper	260mm Drum
Front Tyre:	120/70 -17	110/80 R18 Pirelli MT 60 RS	100/90-18	90/90 -21	3.25-19
Rear Tyre:	150/60 -17	180/55 R17 Pirelli MT 60 RS	130/90-17	140/80 -18	4.00-18
Seat Height:	870 mm / 34.3 in	798 mm / 31.4 in - low seat 778 mm / 30.6 in available as accessory	810 mm /31.9 in. or 760 mm / 29.9 in. for low seat model	865 mm / 34 in	820 mm / 32.3 in
Fuel Capacity:	10.5 Litres / 2.8 US gal	13.5 Litres / 3.57 US gal	21 liters / 5.54 US gal	10.5 Litres / 2.8 US gal	24 Litres / 6.3 US gal