Kawasaki ZX-6R Ninja (2015) vs Honda CRF 300L (2023) vs Aprilia SL 750 GT Shiver (2010) vs Suzuki Boulevard M50 Special Edition (2009)

Comparison technical specifications

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Make:	Kawasaki	Honda	Aprilia	Suzuki
Model:	ZX-6R Ninja	CRF 300L	SL 750 GT Shiver	Boulevard M50 Special Edition
Years:	2015	2023	2010	2009
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke single cylinder, DOHC, 4 valves	Four stroke, longitudinal 90°V twin, DOHC, 4 valves per cylinder	Four stroke, 45° V-Twin
Capacity:	636 cc / 38.8 cub in	286 cc / 17.4 cu-in	749 cc / 45.7 cu-in	805cc / 49.1 cu-in
Bore x Stroke:	67.0 x 45.1mm	76 x 63 mm	92 x 56.4 mm	83 x 74.4 mm
Compression Ratio:	12.9:1	10.7:1	11.0:1	9.4:1
Cooling System:	Liquid cooled	Liquid cooled	Liquid cooled	Liquid cooled
Induction:	DFI® with four 38mm Keihin throttle bodies and oval sub-throttles	PGM-FI electronic fuel injection	Integrated engine management system. Injection with Ride by Wire technology control of the throttle bodies	Mikuni BDSR34
Lubrication:	Forced lubrication, wet sump	Wet sump	Dry sump system with separate oil tank	Wet sump
Ignition:	TCBI with digital advance	Full transistor digital	Digital electronic, integrated with the injection, two spark plugs per cylinder	Electronic
Starting:	Electric	Electric	Electric	Electric
Max Power:	97.7 kW / 131 hp @ 13500 rpm	27 hp / 20.1 kW @ 8500rpm	69.3 kW / 95 hp @ 9000 rpm	36.5 kW / 50 hp @ 6500
Max Torque:	71 Nm / 7.2 kgf.m / 52.4 lb-ft @ 11500 rpm	26.6 Nm / 19.6 lb-ft @ 6500rpm	81 Nm / 8.25 kgf-m / 59.7 lb-ft @ 7000 rpm	65 Nm / 6.6 kgf-m / 47.9 ft-lb @ 5000 rpm
Transmission:	6 Speed	6 Speed	6 Speed	5 Speed
Final Drive:	520 series X-ring chain	#520 chain	Chain Transmission ratio: 16/44	Shaft
Front Suspension:	41mm inverted Showa BP-SFF fork with top-out springs, stepless compression and rebound damping, adjustable spring preload	43mm Telescopic USD forks	Ø43 mm upside-down fork.	Inverted, telescopic, coil spring, oil damped
Rear Suspension:	Bottom-link Uni-Trak® with gas-charged shock, top-out spring and pillow ball upper mount, stepless compression damping, 25-way adjustable rebound damping, fully adjustable spring preload	Pro-Link single shock with spring	Aluminium alloy swingarm with reinforcement truss. Hydraulic shock absorber adjustable in spring preload and rebound damping.	Link-type, oil damped, 7-way adjustable spring preload
Front Brakes:	2 x 310mm petal rotors with dual radial-mount, Nissin four-piston, monobloc calipers and available KIBS ABS	Single 256mm disc 2 piston caliper	2 x Ø320 mm discs, 4 piston caliper	Single 300mm disc, 2 piston caliper
Rear Brakes:	Single 220mm petal rotor with single-piston caliper and KIBS ABS	Single 220mm disc 1 piston caliper	Single Ø245 mm disc, 2 piston caliper	Drum
Front Tyre:	120/70 ZR17	80/100-21M/C 51P	120/70 ZR17	130/90-16
Rear Tyre:	180/55 ZR17	120/80-18M/C 62P	180/55 ZR17	170/80-15
Dimensions:	Length 2085 mm / 82.1 in Width 705 mm / 27.8 in Height 1115 mm / 43.9 in	Length: 2230 mm / 87.7 in Width: 820 mm / 32.2 in Height: 1200 mm / 47.2 in	Length 2100 mm / 89 in Width 800 mm / 31.8 i in (at handlebars) Height 1135 mm / 44.6 in (at instruments)	Length 2395 mm / 94.3 in Width 890 mm / 35.0 in Height 1105 mm / 43.5 in
Wheelbase:	1395 mm / 54.9 in.	1455 mm / 57.2 in	1440 mm / 5.6 in	1655 mm / 65.2 in
Seat Height:	830.5 mm / 32.7 in.	880 mm / 34.6 in	810 mm / 31.6 in	700 mm / 27.6 in.
Fuel Capacity:	17 Litres 4.5 US gal	7.8 Litres / 2 US gal	15 Litres / 3.9 US gal	15.5 Litres / 4.1 / 3.4 US/Imp gal