Ducati 900 SL Superlight MKI (1992) vs Suzuki GS 400E (1978-84) vs Kawasaki KLR 250 (1984-86) vs Kawasaki VN 1500 Vulcan Nomad FI (1998-00) vs Ducati 900SS (1992) vs Suzuki GS 400 (1978) vs BMW R 100RT Mono (1987-89) vs Suzuki PE 175 (1978) vs BMW K100 LT (1987-88) vs Kawasaki AR 80 (1984-) vs Royal Enfield Bullet Classic 500 (2011-12)

Comparison technical specifications

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Make:	Ducati	Suzuki	Kawasaki	Kawasaki	Ducati	Suzuki	BMW	Suzuki	BMW	Kawasaki	Royal Enfield
Model:	900 SL Superlight MKI	GS 400E	KLR 250	VN 1500 Vulcan Nomad FI	900SS	GS 400	R 100RT Mono	PE 175	K100 LT	AR 80	Bullet Classic 500
Years:	1992	1978-84	1984-86	1998-00	1992	1978	1987-89	1978	1987-88	1984-	2011-12
Engine:	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven	Four stroke, parallel twin cylinders, DOHC, 2 valve per cylinder.	Four stroke single cylinder, DOHC, 4 valve	Four stroke, 50° V-Twin, SOHC, 4 valves per cylinder	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven	Four stroke, parallel twin cylinders, DOHC, 2 valve per cylinder.	Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder	Two stroke, single cylinder, piston and reed valve	Four stroke, horizontal in line four cylinder, DOHC, 2 valves per cylinder	Two stroke, single cylinder, disc valve.	Four Stroke, single Cylinder, OHV
Capacity:	904 cc / 55.2 cu in	398 cc / 24.2 cu-in	249 cc / 15.2 cu-in	1470 cc / 89.7 cu-in	904 cc / 55.2 cu in	398 cc / 24.2 cu-in	980 cc 59.8 cu in	172 cc / 10.7 cu in	987 cc / 60.2 cub. in	79.4 cc / 4.8 cu-in	499 cc / 30.4 cu-in
Bore x Stroke:	92 x 68 mm	65 x 60 mm	74 х 58 mm	102 x 90 mm	92 x 68 mm	65 x 60 mm	94 x 70.6 mm	62 x 57 mm	67 x 70 mm	49 x 41.6 mm	84 x 90 mm
Compression Ratio:	9.2:1	9:1	11.0:1	8.6:1	9.2:1	9:1	8.45:1	7.9:1	10.2:1	7.8:1	8.5:1
Cooling System:	Air cooled	Air cooled	Liquid cooled	Liquid cooled	Air cooled	Air cooled	Air cooled	Air cooled	Liquid cooled	Air cooled	Air Cooled
Induction:	Mikuni BDST 38-B67	2 x Mikuni BS34 carburetors	Keihin CVK34 carburetor	34mm CVK Carburetors With Kawasaki Throttle Responsive Ignition Control (K-TRIC)	Mikuni BDST 38-B67	2 x Mikuni BS34 carburetors	2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106	Mikuni VM34SS carburetor	Electronic injection, Bosch LE-Jetronic	Mikuni VM18SC Carburetor	Electronic Fuel Injection (EFI)
Ignition:	Kokusan electronic inductive discharge	Conventional type non-transistor	CDI	Digital	Kokusan electronic inductive discharge	Conventional type non-transistor	Battery ignition	Suzuki PEI	Electronic injection, Bosch LE-Jetronic	Capacitor discharge	Electronic Ignition Keihin
Max Power:	57 kW / 78 hp @ 7000 rpm	25.4 kW / 34 hp / @ 8000 rpm	28 hp / 20.8 kW @ 9000 rpm	64 hp / 46.7 kW @ 4700 rpm	61.8 kW / 84 hp @ 7000 rpm (rear tyre 53.7 kW / 73hp @ 8100 rpm)	25.4 kW / 34 hp / @ 8000 rpm	43.7 kW / 60 hp @ 7000 rpm	18 kW / 24 hp @ 9500 rpm	65.6 kW / 90 hp @ 8000 rpm	10.2 hp / 7.5 kW @ 8500 rpm	20.3 kW / 27.2 hp @ 5200 rpm
Max Torque:	84 Nm / 8.6 kgf-m / 62 ft-lb @ 6400 rpm	30 Nm / 2.94 kpm / 22.1 lb-ft @ 7000 rpm	2.3 kgf-m / 16.6 lb-ft @ 7500 rpm	112 Nm / 82.6 lb-ft @ 3000 rpm	84 Nm / 8.6 kgf-m / 62 ft-lb @ 6400 rpm	30 Nm / 2.94 kpm / 22.1 lb-ft @ 7000 rpm	74 Nm / 7.5 kgf-m / 54.6 ft-lb @ 6000 rpm	18.5 Nm / 1.9 kgf-m / 13.7 lb-ft @ 7500 rpm	86 Nm / 8.8 kgf-m / 63 ft-lb @ 6000 rpm	8.53 Nm @ 8000 rpm	41.3 Nm / 4.2 kgf-m / 30.5 lb-ft @ 4000 rpm
Transmission:	6 Speed	6 Speed	6 Speed	5 Speed	6 Speed	6 Speed	5 Speed	6 Speed	5 Speed	6 Speed	5 Speed, constant mesh
Final Drive:	Chain	Chain	Chain	Shaft	Chain	Chain	Shaft	Chain, DAIDO DID 520UB, 106 links	Shaft	Chain	Chain
Front Suspension:	41 mm Showa fully adjustable inverted fork	Telescopic, coil spring, oil damped	Air-adjustable leading-axle fork	41mm cartridge fork	41 mm Showa fully adjustable inverted fork	Telescopic, coil spring, oil damped	Telescopic fork with hydraulic shock absorber.	Telescopic pneumatic/coil spring, oil dampened	Telescopic fork with hydraulic shock absorber	Telescopic fork	Telescopic, Hydraulic Damping, Stroke 130 mm wheel travel
Rear Suspension:	Progressive type with adjustable Showa GD monoshock	Swing arm, coil spring (5-way adjustable), oil damped	Uni-Trak single shock with adjustable preload and 4-way rebound damping	Dual air assisted shock absorbers with 4-way rebound damping adjustment	Progressive type with adjustable Showa GD monoshock	Swing arm, coil spring (5-way adjustable), oil damped	Monolever swinging arm	Full-floating suspension system, swingarm, gas/oil damped, sprin pre-load adjustable, damper 4-way adjustable	Monolever swinging arm	Swingarm with monoshock	Twin shocks, gas charged with 5-step adjustable preload
Front Brakes:	2 x 320 mm discs	Single 270 mm disc, 1 piston caliper	Single 250mm disc 2 piston caliper	2x 280mm discs	2 x 320 mm discs	Single 270 mm disc, 1 piston caliper	2 x ∅260mm discs, 2 piston calipers	Drum, internal expanding	2 x ∅285 mm discs, 2 piston calipers	Single 232mm disc	Single 280mm disc, 2 piston caliper
Rear Brakes:	Single 245 mm disc	160mm Drum	Drum	Single 270mm disc	Single 245 mm disc	160mm Drum	Simplex ∅200 mm drum	Drum, internal expanding	Single ∅285 mm disc, 1 piston caliper	130 drum	Drum, Ø 152 mm, single leading shoe internal expanding
Front Tyre:	120/70-17	3.00-18	3.00 - 21	150/80R-16	120/70-17	3.00-18	3.25 H-19	3.00-21 4PR	100/90-18	2.50–18	90/90-19
Wheelbase:	1410 mm / 55.5 in	1385 mm / 54.5 in	1415mm / 55.71 in	1661 mm / 65.4 in	1410 mm / 55.5 in	1385 mm / 54.5 in	1465 mm / 57.67 in	1420 mm / 55.9 in	1516 m /59.7 in.	1205 mm / 47.4 in	1370 mm / 53.9 in
Fuel Capacity:	17.5 L / 4.6 US gal / 3.8 Imp gal	14 Litres / 3.7 US gal / 3.1 Imp gal	11 Litres / 2.9 US gal	16 Litres / 4.2 US gal	17.5 L / 4.6 US gal / 3.8 Imp gal	14 Litres / 3.7 US gal / 3.1 Imp gal	24 Litres / 6.3 US gal	12 Litres / 3.2 US gal / 2.6 Imp gal	22 Liters / 5.8 US gal	9.8 Litres / 2.1 US gal	14.5 Litres / 3.8 US gal