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)

Comparison technical specifications

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Make:	Ducati	Suzuki	Kawasaki	Kawasaki	Ducati	Suzuki
Model:	900 SL Superlight MKI	GS 400E	KLR 250	VN 1500 Vulcan Nomad FI	900SS	GS 400
Years:	1992	1978-84	1984-86	1998-00	1992	1978
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.
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
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
Compression Ratio:	9.2:1	9:1	11.0:1	8.6:1	9.2:1	9:1
Cooling System:	Air cooled	Air cooled	Liquid 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
Ignition:	Kokusan electronic inductive discharge	Conventional type non-transistor	CDI	Digital	Kokusan electronic inductive discharge	Conventional type non-transistor
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
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
Transmission:	6 Speed	6 Speed	6 Speed	5 Speed	6 Speed	6 Speed
Final Drive:	Chain	Chain	Chain	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
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
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
Rear Brakes:	Single 245 mm disc	160mm Drum	Drum	Single 270mm disc	Single 245 mm disc	160mm Drum
Front Tyre:	120/70-17	3.00-18	3.00 - 21	150/80R-16	120/70-17	3.00-18
Rear Tyre:	170/60-17	3.50-18	4.60 - 17	150/80R-16	170/60-17	3.50-18
Dry Weight:	182 kg / 401 lbs	172 kg / 378 lbs	117 kg / 258 lbs	337.0 kg / 739 lbs	183 kg / 403 lbs	172 kg / 378 lbs
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
Seat Height:	780mm / 30.7in	790 mm / 31.1 in	856mm / 33.7 in	718 mm / 28.3 in	780mm / 30.7in	790 mm / 31.1 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