Kawasaki ZZR 1400 / Ninja ZX-14R (2021-22) vs MV Agusta F4 LH44 1000 (2019) vs Ducati 900 SS (1979) vs KTM 990 Adventure (2008) vs Harley-Davidson Harley Davidson FXSTD Softail Deuce (2007) vs Yamaha XS 650 / XS 650D (1977) vs Yamaha VMX V-Max 1.7 (2020)

Comparison technical specifications

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Make:	Kawasaki	MV Agusta	Ducati	KTM	Harley-Davidson	Yamaha	Yamaha
Model:	ZZR 1400 / Ninja ZX-14R	F4 LH44 1000	900 SS	990 Adventure	Harley Davidson FXSTD Softail Deuce	XS 650 / XS 650D	VMX V-Max 1.7
Years:	2021-22	2019	1979	2008	2007	1977	2020
Engine:	Four stroke, transverse four cylinders, DOHC, 4 valves per cylinder	Four stroke, transverse four cylinder. DOHC, 4 radial valves per cylinder	Four stroke, 90°“L”twin cylinder, SOHC, 2 valves per cylinder, bevel gear driven	Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder	Four stroke, 45° V-Twin, Twin Cam 96 vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder	Four stroke, parallel twin cylinder, SOHC, 2 valves per cylinder.	Four stroke, V-four, DOHC, 4 valve per cylinder.
Capacity:	1441 cc / 87.9 cu-in	998 cc / 60.9 cu-in	864 cc / 52.7 cu in	999.8 cc / 60.9 cu-in	1584 cc / 96 cu-in	653 cc / 39.8 cu in	1679 cc / 102.4 cu-in
Bore x Stroke:	84 x 65 mm	79 x 50.9 mm	86 x 74.4 mm	101 x 62.4mm	95.3 x 111.1 mm	75 x 74 mm	90 x 66 mm
Compression Ratio:	12.3:1	13.4:1	9.4:1	11.5;1	9.2:1	8.4:1	11.3:1
Cooling System:	Liquid cooled	Cooling with separated liquid and oil radiators	Air cooled	Liquid cooling	Air cooled	Air cooled	Liquid cooled
Starting:	Electric	Electric	Electric	Electric	Electric	Electric and kick	Electric
Transmission:	6 Speed	Cassette style; six speed, constant mesh	5 Speed	6 Speed	6 Speed	5 Speed	5 Speed with slipper clutch
Final Drive:	Sealed chain	Chain	Chain	Chain, X-Ring 5/8 x 5/16"	Belt	Chain	Shaft
Front Suspension:	43mm inverted cartridge fork with adjustable preload, 18-way compression and 15-way rebound damping adjustment	43 mm (1.69 in.) Öhlins USD front fork, NIX 30 type with TIN coating on inner tubes, left compression and right rebound manual adjustment, top out spring.	Marzocchi telescopic fork	48mm WP USD forks	41.3 mm telescopic, “beer can” covers	Telescopic forks	52mm Telescopic forks
Rear Suspension:	Bottom-link Uni-Trak® and gas-charged shock with adjustable preload, stepless rebound and compression damping adjustments, adjustable ride height	Öhlins progressive, TTX36 twin tube rear shock absorber with piggyback resevoir, compression and rebound adjusted with anodized aluminium adjustment knobs Single sided swing arm material Aluminium alloy	Marzocchi 330 mm dual shocks, 3-way adjustable	WP-PDS rear shock, hydraulic spring preload	Hidden, horizontal-mounted, coil-over shock	Dual shock absorbers	Swingarm Link-type suspension
Front Brakes:	2x 310mm Brembo discs with dual radial-mounted Brembo 4-piston M50 monobloc calipers	2x floating 320mm discs and aluminium flange, Front brake caliper Brembo radial-type, single-piece with 4 pistons Ø 34 mm (Ø 1.34 in.)	2 x 280 mm Disc, 1 piston caliper	2x 300mm discs 2 piston calipers	Single 292mm disc 4 piston caliper	Twin hydraulic discs, 267 mm	2x 320mm discs
Rear Brakes:	Single 250mm disc 2 piston caliper	Single 210mm disc Nissin with 4 pistons caliper	Single 280 mm disc	Single 240mm disc 1 piston caliper	Single 292mm disc 4 piston caliper	Drum	Single 280mm disc
Seat Height:	800 mm / 31.5 in	830 mm / 2.6 in	740 mm / 29.1 in	860 mm / 33.8 in	Laden2 635.0 mm / 25.0 in Unladen 681.7 mm / 26.8 in	810 mm / 31.9"	775 mm / 30.5 in
Fuel Capacity:	21.9 Litres / 5.8 US gal	17 Litres / 4.4 US gal	15 L / 4.0 US gal / 3.3 Imp gal	19.5 Litres / 5.1 gal	18 5 Litres / 4.9 US gal	15 Litres / 4.0 US gal	15 Litres / 4.0 US gal