Kawasaki KDX 250R (1993-95) vs Suzuki Boulevard C90 B.O.S.S (2017-18) vs Gilera RX 200 Arizona Hawk (1985) vs Suzuki GSF 600S Bandit (1996-99) vs Yamaha DT 125X (2005-07) vs Suzuki DR-Z 400S (2018-19) vs Vespa 200 Cosa (1988-92)

Comparison technical specifications

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Make:	Kawasaki	Suzuki	Gilera	Suzuki	Yamaha	Suzuki	Vespa
Model:	KDX 250R	Boulevard C90 B.O.S.S	RX 200 Arizona Hawk	GSF 600S Bandit	DT 125X	DR-Z 400S	200 Cosa
Years:	1993-95	2017-18	1985	1996-99	2005-07	2018-19	1988-92
Engine:	Two stroke, single cylinder, reed valve	Four stroke, 54° V-twin, SOHC, 3 valves per cylinder	Two stroke, single cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Two stroke, single cylinder, reed-valve	Four stroke, single cylinder, DOHC, 4 valve	Four stroke, single cylinder, horisontal cylinder
Capacity:	249 cc / 15.2 cu-in	1462 cc / 89.2 cu-in	183 cc / 11.1 cu-in	599 cc / 36.6 cu in	123 cc / 7.5 cu-in	398 cc / 24.3 cu-in	198 cc / 12 cub in
Bore x Stroke:	67.4 х 70 mm	96 x 101 mm	68 x 50.5 mm	62.6 x 48.7 mm	56 X 50 mm	90 x 62.6 mm.	66.5 x 57 mm
Ignition:	CDI	Digital transistorized	Electronic	Digital Transistorized	CDI	Digital CDI	Electronic
Starting:	Electric	Electric	Kick	Electric	Kick	Electric	Kick start
Max Power:	40 hp / 29.8 kW @ 7000 rpm	49.2 kW / 66 hp @ 4800 rpm	26 hp / 19 kW @ 7500 rpm	57.4 kW / 77 hp @ 10500 rpm (at rear tyre: 54 kW / 72.4 hp @ 10400 rpm )	14.7 hp / 10.8 kW @ 7000 rpm	29.2 kW / 39.7 hp @ 8500 rpm	7.4 kW / 10 hp @ 5000 rpm
Front Suspension:	43mm conventional cartridge fork	Telescopic, coil springs, oil damped	Telescopic forks	41 mm Telescopic, oil damped	41mm Telescopic forks	Telescopic, 49 mm, oil-damped, 11-way compression damping, adjustable spring preload	Coil spring with hydraulic shock absorber, double effect
Rear Suspension:	UNI-TRAK® single-shock system	Link type, coil spring, oil damped	Alloy swing arm adjustable single shock	Mono-shock, 4-way adjustable rebound damping, 7-way adjustable preload	Monocross linkage	Link-type, fully adjustable spring preload, 26-way compression damping	Coil spring with hydraulic shock absorber, double effect
Front Brakes:	Single 250mm disc 2 piston caliper	Dual 300 mm discs, 4 piston caliper	Single 240mm disc	2 x 290 mm Discs, 2 piston calipers	Single 298mm disc	Single 250mm disc, 2 piston caliper	Drum, expanding type
Rear Brakes:	Single 230mm disc 1 piston caliper	Single 180 mm disc, 2 piston caliper	Drum	Single 240 mm disc, 1 piston caliper	Single 220mm disc	Single 220mm disc, 1 piston caliper	Drum, expanding type
Front Tyre:	80/100-21	130/80-17M/C 65H, tubeless	2.75-21	110/70-17	120/70-17	80/100-21	100/90-10
Rear Tyre:	110/100-18	200/60-16M/C 79H, tubeless	4.60-17	150/70-17	140/60-17	120/90-18	100/90/10
Fuel Capacity:	12.5 Litres / 3.3 US gal	18 Litres / 4.8 US gal	15 Litres / 3.9 US gal	19 Litres / 5.2 US gal / 4.3 Imp gal	10.7 Litres / 2.8 US gal	10 Litres / 2.6 US gal / 2.2 Imp gal	7.0 L / 1.85 US gal