Ducati 620 Sport (full fairing) (2003) vs Kawasaki Ninja 125 (2019) vs Triumph Street Triple 765S (2017) vs Suzuki Boulevard C90 B.O.S.S (2017-18) vs Honda CB 650 (1978-79) vs Honda CBR 250R (1988-89) vs Moto Guzzi V7III Rough (2018-19) vs Kawasaki KLR 650 (1993-94)

Comparison technical specifications

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Make:	Ducati	Kawasaki	Triumph	Suzuki	Honda	Honda	Moto Guzzi	Kawasaki
Model:	620 Sport (full fairing)	Ninja 125	Street Triple 765S	Boulevard C90 B.O.S.S	CB 650	CBR 250R	V7III Rough	KLR 650
Years:	2003	2019	2017	2017-18	1978-79	1988-89	2018-19	1993-94
Engine:	Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valve per cylinder, belt driven	Four stroke, single cylinder, DOCH, 4 valve	Four stroke, in-line 3-cylinder, DOHC, 4 valve per cylinder	Four stroke, 54° V-twin, SOHC, 3 valves per cylinder	Four stroke, transverse four cylinder, SOHC, 2 valves per cylinder.	Four stroke, Transverse four cylinder, DOHC, 4 valve per cylinder.	Four stroke, V twin, longitudinally mounted, OHV, 2 valves with light alloy pushrods and rockers	Four stroke, single cylinder, DOHC, 4 valve
Capacity:	618 cc / 37.7 cu in	125 cc / 7.6 cu in	765 cc / 46.6 cu-in	1462 cc / 89.2 cu-in	626.8 cc / 38.2 cu-in	249 cc / 15.2 cu-in	744 cc / 45.4 in	651 cc / 39.7 cu-in
Bore x Stroke:	80 x 61.5 mm	58.0 x 47.2mm	78 x 53.4 mm	96 x 101 mm	59.8 x 55.8 mm	48.5 x 33.8 mm	80 x 74 mm	100 х 83 mm
Compression Ratio:	10.5:1	11.7:1	12.65:1	9.5:1	9.0:1	11.5:1	9.6:1	9.5:1
Cooling System:	Air cooled	Air cooled	Liquid-cooled	Liquid cooled	Air cooled.	Liquid cooled	Air cooled	Liquid cooled
Induction:	Marelli CPU 5.9M electronic fuel injection, 45 mm throttle body	Fuel injection (ø28 x 1)	Multipoint sequential electronic fuel injection with SAI. Electronic throttle control	Fuel injected	4x 26mm Keihin carburetors	Carburetor	Weber- Marelli electronic injection	Keihin CVK40 carburetor
Ignition:	Marelli electronic	B&C (TCBI, B. P&EL. ADV.)	Digital - inductive type	Digital transistorized	Transistorized	CDI	Magneti Marelli electronic digital	Digital TCBI
Starting:	Electric	Electric	Electric	Electric	Electric	Electric	Electric	Electric
Max Power:	45 kW / 61hp @ 8750 rpm	11.0 kW / 14.8 hp @ 10,000 rpm	111 hp / 83kW @ 11,250 rpm	49.2 kW / 66 hp @ 4800 rpm	63 hp / 46.9 kW @ 9000 rpm	40 hp / 29.2 kW @ 14500 rpm	38 kW / 52 hp @ 6200 rpm	48 hp / 35.0 kW @ 6500 rpm
Max Torque:	54 Nm / 5.5 kgf-m /39.8ft-lb @ 6500 rpm	11.7 Nm / 8.6 lb-ft @ 7,700 rpm	53.8 lb-ft / 73 Nm @ 9,100 rpm	115 Nm /11.7 kgf-m / 84.8 ft-lbs @ 2800 rpm	51.5 Nm / 38 ft-lb @ 8000 rpm	40 hp / 29.2 kW @ 14500 rpm	60 Nm / 44.2 lb-ft @ 4900 rpm	5.3 kgf-m / 38.3 lb-ft @ 5500 rpm
Transmission:	5 Speed	6 Speed, return shift	6 Speed, close ratio	5 Speed	5 Speed	6 Speed	6 Speed	5 Speed
Final Drive:	Chain	Chain	O ring chain	Shaft	Chain	Chain	Shaft	Chain
Front Suspension:	Marzocchi 43 mm upside-down fork	37mm Telescopic Fork	Showa 41 mm upside down separate function forks (SFF)	Telescopic, coil springs, oil damped	Centre axle coil spring forks	Telescopic forks	Marzocchi Ø 40 mm telescopic front forks	38mm Air assisted Kayaba forks
Rear Suspension:	Progressive cantilever linkage with fully adjustable, Sachs Boge monoshock with position-sensitive damping	Uni Track Swingarm	Showa piggyback reservoir monoshock, stepped preload adjuster	Link type, coil spring, oil damped	Dual Showa dampers. adjustable spring preload.	Pro-link. swing arm	Die-cast alloy swing arm with 2 shocks with adjustable spring preload (Öhlins fully adjustable for Racer)	Single Kayaba shock
Front Brakes:	2x 320 mm Discs, 4 piston calipers	Single 290mm Disc, Dual Piston Calipers	2 x 310 mm floating discs, Nissin 2-piston sliding calipers	Dual 300 mm discs, 4 piston caliper	Single 275mm discs 1 piston calipers	2x Hydraulic discs	320 mm stainless steel floating discs, Brembo callipers with 4 differently sized opposed pistons	Single 230mm disc
Rear Brakes:	Single 245 mm disc, 2 piston caliper	Single 220mm Disc	Single 220 mm fixed disc, Brembo single piston sliding calliper	Single 180 mm disc, 2 piston caliper	180mm Drum	Single hydraulic disc	260 mm, stainless steel disc, floating calliper with 2 pistons	Single 204mm disc
Front Tyre:	120/70 ZR17	100/80-17M/C 52S	120/70 ZR17 Pirelli Diablo Rosso Corsa	130/80-17M/C 65H, tubeless	3.50-19	100/70 -17	18″	90/90 -21
Rear Tyre:	160/60 ZR17	130/70-17M/C 62S	180/55 ZR17 Pirelli Diablo Rosso Corsa	200/60-16M/C 79H, tubeless	4.50-17	130/70-17	17″	130/80-17
Fuel Capacity:	16 L / 4.2US gal / 3.5 Imp gal	11 Litres / 2.9 US gal	17.4 Litres / 4.6 US gal / 3.8 Imp gal	18 Litres / 4.8 US gal	18 Litres / 4.7 US gal	14 Litres / 3.6 US gal	21 Litres / 5.5 US gal	23 Litres / 6.0 US gal