Kawasaki ZX-10R Ninja (2020) vs Harley-Davidson Harley Davidson FXD/I Dyna Super Glide (2001-02) vs Kawasaki GPz 1100 / ZX1100 A-1 (1983) vs Kawasaki ZX-R 250 Ninja (1995-96) vs Suzuki 125 Slingshot Plus (2011-14) vs Aprilia 125 Pegaso (1991-92)

Comparison technical specifications

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Make:	Kawasaki	Harley-Davidson	Kawasaki	Kawasaki	Suzuki	Aprilia
Model:	ZX-10R Ninja	Harley Davidson FXD/I Dyna Super Glide	GPz 1100 / ZX1100 A-1	ZX-R 250 Ninja	125 Slingshot Plus	125 Pegaso
Years:	2020	2001-02	1983	1995-96	2011-14	1991-92
Engine:	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder	Four stroke, 45° V-Twin, Twin Cam 88® vibration isolation-mounted Valves Pushrod-operated overhead valves; w/ hydraulic self-adjusting lifters; two valves per cylinder	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	4-Stroke, single cylinder, SOHC	Two stroke, single cylinder, reed valves
Capacity:	998 cc / 60.9 cu-in	1449 cc / 88.4 cu-in	1089 cc / 66.4 cu-in	249 cc / 15.2 cu-in	124 cc / 7.6cu in	124 cc / 7.6 cu in
Bore x Stroke:	76.0 x 55.0 mm	95.3 x 101.6 mm	72.5 x 66 mm	49 x 33.1 mm	53.5 x 55.2 mm	54 x 54.5mm
Compression Ratio:	13.0:1	8.9:1	8.9:1	12.2:1	9.6:1	14.0:1
Cooling System:	Liquid cooled	Air cooled	Air cooled	Liquid cooled	Air cooled	Liquid cooled
Induction:	Fuel injection: Ø 47 mm x 4 with dual injection	Carburetion 40 mm constant velocity with enrichener and accelerator pump ESPFI 38 mm throttle bore electronic sequential port fuel injection	Digital fuel injection	4x Keihin CVK D30 carburetors	Carburetor VM18	Ø34 mm Dell'Orto carburetor
Starting:	Electric	Electric	Electric	Electric	Electric and kick	Electric
Max Power:	149.3 kW / 203 hp @ 13500 rpm	67 hp / 48.8 kW @ 5200 rpm	120 hp / 87.6 kW @ 8750 rpm	45 hp / 32.8 kW @ 15000 rpm	6.3 kW / 8.5 hp @ 7500 rpm	23 kW / 31 hp @ 10000 rpm
Max Torque:	114.9 Nm / 84.7 lb-ft @ 11200 rpm	116.6 Nm / 86 lb-ft @ 3500rpm	10.2 kgf-m / 73.7 lb-ft @ 7000 rpm	2.6 kgf-m / 24.5 Nm @ 11500 rpm	10 Nm / 1.o kgf-m / 7.4 lb-ft @ 3500 rpm	22.5 Nm / 2.3 kgf-m / 16.6 ft-lb @ 85000 rpm
Transmission:	6-speed, return, cassette	5 Speed	5 Speed	6 Speed	5 Speed	6 Speed
Final Drive:	Sealed Chain	Belt	Chain	Chain	Chain	Chain
Front Suspension:	43 mm inverted Balance Free Front Fork with external compression chamber, compression and rebound damping and spring preload adjustability, and top-out springs.	39 mm w/ polished aluminum fork triple clamp and dual-rate springs	37mm Kayaba hydraulically activated air drive abutments for air pressure	Telescopic forks	Telescopic, coil spring, oil damped	Ø41 mm Inverted telescopic forks
Rear Suspension:	Horizontal Back-link with BFRC lite gas-charged shock with piggyback reservoir, compression and rebound damping and spring preload adjustability, and top-out spring	Coil over shock	Single air assisted shock adjustable for reload damping	Uni-track, Swing arm	Swingarm, dual shocks, coil spring, oil damped	Single chock preload adjustable
Front Brakes:	2x 330 mm semi-floating Brembo discs, 4-piston, dual radial-mount, Brembo M50 monobloc	Single 292mm disc 4 piston calipers	2x 236mm discs 1 piston calipers	2x discs 2 piston calipers	Drum, mechanical leading trailing	Single Ø300 mm disc, 2 piston caliper
Rear Brakes:	Single 220mm disc with aluminum single-piston caliper	Single 292mm disc 4 piston calipers	Single 236mm disc1 caliper	Single disc 1 piston caliper	Drum, mechanical leading trailing	Single Ø220 mm disc, 1 piston caliper
Front Tyre:	120/70ZR17M/C (58W)	100/90-19	110/90 V18	110/70-R17 54H	2.75 - 18 42P	100/90-18
Rear Tyre:	190/55ZR17M/C (75W)	MT90 B16	130/90 V17	140/60-R18 64H	3.00 - 18 52P	120/80-17
Fuel Capacity:	17 Litres / 4.5 US gal	18.6 Litres / 4.8 US gal	20 Litres / 5.2 US gal	15 Litres / 3.4 US gal	12 L / 3.2 US gal / 2.6 Imp gal	14 Litres / 3.7 US gal