Husqvarna SMR 634 Eddy Seel Replica (2006) vs Harley-Davidson Harley Davidson Sportster 975 Nightster (2022) vs Kawasaki GPz 900R Ninja / ZX900 Ninja (1986 - 88) vs Suzuki Intruder C800 Intruder / C50 Boulevard (2007-08) vs Kawasaki GPz 750 / Z 750GP (1983-84)

Comparison technical specifications

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Make:	Husqvarna	Harley-Davidson	Kawasaki	Suzuki	Kawasaki
Model:	SMR 634 Eddy Seel Replica	Harley Davidson Sportster 975 Nightster	GPz 900R Ninja / ZX900 Ninja	Intruder C800 Intruder / C50 Boulevard	GPz 750 / Z 750GP
Years:	2006	2022	1986 - 88	2007-08	1983-84
Engine:	Four stroke, single cylinder, SOHC, 4 valves	Four stroke, Revolution Max 975T, 60° V-twin, Chain-driven, DOHC, hydraulic self-adjusting lifters, intake VVT; four valves per cylinder	Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder.	Four stroke, 45°V-Twin, SOHC, 4 valves per cylinder.	Four stroke, transverse four cylinder, DOHC, 2 valve per cylinder.
Capacity:	634 cc /	975 cc / 59.5 cu-in	908 cc / 55.4 cu-in	805 cc / 49.1 cu in	738 cc / 45.0 cu-in
Bore x Stroke:	98 x 84 mm	97 x 66 mm	72.5 x 55 mm	83 x 74.4 mm	66 х 54 mm
Compression Ratio:		12.0:1	11.0:1	9.4:1	9.5:1
Induction:	41 mm Keihin MX	Electronic Sequential Port Fuel Injection (ESPFI)	4x 34mm Keihin CVK34 carburettors	Mikuni BDSR 34 carburetors	4x 36mm Mikuni carburetors
Starting:	Electric & kick	Electric	Electric	Electric	Electric
Max Power:		90 hp / 67 kW @ 7500 rpm	115 hp / 86 kW @ 9500 rpm	36.4 kW / 50 hp @ 6500 rpm	87 hp / 63.5 kW @ 9500 RPM (rear tyre 77 hp @ 9550 rpm)
Max Torque:		95 Nm / 70 lb-ft @ 5000 rpm	8.7 kgf-m / 63 lb-ft @ 8500 rpm rpm	65 Nm / 6.6 kgf-m / 47.9 lb-ft @ 5000 rpm	6.4 kgf-m / 46.2 lb-ft @ 7500 rpm
Final Drive:	Chain	Belt	Chain	Shaft	Chain
Front Suspension:	45mm Marzocchi inverted telescopic forks, adjustable	41mm Showa Dual Bending Valve conventional forks. Aluminum fork triple clamps.	39mm Telehydraulic forks air assisted.	Conventional telescopic fork, oil damped, coil-sprung	Air assisted forks
Rear Suspension:	Sachs progressive shock, adjustable spring.	Dual outboard, direct-acting (no linkage) emulsion technology shock absorbers with coil springs and a threaded collar for pre-load adjustment.	Rising rate link-system with single shock, adjustable preload by air pressure, 4-stage rebound-damping	Link type, mono-shock,7-way adjustable	Single shock swinging arm,
Front Brakes:	Single Brembo 320 mm disc	Single 320mm floating disc, axially mounted, 4-piston caliper	2x 280mm discs 1 piston calipers	Single 300 mm disc, 2 piston caliper	2x 240mm discs
Rear Brakes:	Single Brembo 220 mm floating disc	Single 260mm solid uniform expansion disc floating, single piston caliper	Single 270mm disc 1 piston caliper	180 Drum	Single 210mm disc
Front Tyre:	120/70 -16.5	100/90-19 57H	120/80 V16	130/90-16 M/C 67H	110/90-18
Rear Tyre:	164/55 -17	150/80B16 77H	130/80 V18	170/80-15 M/C 77H	130/80-18
Wheelbase:	1475 mm / 58.0 in	1556 mm / 61.3 in	1425 mm / 56.1 in	1655 mm / 65.2 in	1425 mm / 56.1 in
Seat Height:	919 mm / 35.8 in	Laden 688 mm / 27.1 in Unladen 705 mm / 27.8 in Unladen (Low seat position) 114 mm / 4.5 in	760 mm / 29.9 in	700 mm / 28.0 in	760 mm / 29.9 in