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)
Comparison technical specifications
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| Make: | Husqvarna | Harley-Davidson | Kawasaki |
| Model: | SMR 634 Eddy Seel Replica | Harley Davidson Sportster 975 Nightster | GPz 900R Ninja / ZX900 Ninja |
| Years: | 2006 | 2022 | 1986 - 88 |
| 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. |
| Capacity: | 634 cc / | 975 cc / 59.5 cu-in | 908 cc / 55.4 cu-in |
| Bore x Stroke: | 98 x 84 mm | 97 x 66 mm | 72.5 x 55 mm |
| Compression Ratio: | 12.0:1 | 11.0:1 | |
| Induction: | 41 mm Keihin MX | Electronic Sequential Port Fuel Injection (ESPFI) | 4x 34mm Keihin CVK34 carburettors |
| Starting: | Electric & kick | Electric | Electric |
| Max Power: | 90 hp / 67 kW @ 7500 rpm | 115 hp / 86 kW @ 9500 rpm | |
| Max Torque: | 95 Nm / 70 lb-ft @ 5000 rpm | 8.7 kgf-m / 63 lb-ft @ 8500 rpm rpm | |
| Final Drive: | Chain | Belt | 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. |
| 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 |
| Front Brakes: | Single Brembo 320 mm disc | Single 320mm floating disc, axially mounted, 4-piston caliper | 2x 280mm discs 1 piston calipers |
| Rear Brakes: | Single Brembo 220 mm floating disc | Single 260mm solid uniform expansion disc floating, single piston caliper | Single 270mm disc 1 piston caliper |
| Front Tyre: | 120/70 -16.5 | 100/90-19 57H | 120/80 V16 |
| Rear Tyre: | 164/55 -17 | 150/80B16 77H | 130/80 V18 |
| Wheelbase: | 1475 mm / 58.0 in | 1556 mm / 61.3 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 |