Suzuki GSX-R 750 Yoshimura Limited Edition (2013) vs Harley-Davidson Harley Davidson FLHTK Electra Glide Ultra Limited (2017-18) vs Aprilia RS 125 R Max Biaggi Black (2009) vs Aprilia Tuono 1100 Factory. (2015-16) vs NSU Lambretta / Prima (specifications for the Prima) (1950-57)
Comparison technical specifications
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| Make: | Suzuki | Harley-Davidson | Aprilia | Aprilia | NSU |
| Model: | GSX-R 750 Yoshimura Limited Edition | Harley Davidson FLHTK Electra Glide Ultra Limited | RS 125 R Max Biaggi Black | Tuono 1100 Factory. | Lambretta / Prima (specifications for the Prima) |
| Years: | 2013 | 2017-18 | 2009 | 2015-16 | 1950-57 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, V-Twin, Milwaukee-Eight 107, Pushrod-operated, overhead valves with hydraulic, self-adjusting lifters, 4 valves per cylinder | Single cylinder, two stroke, reed valves induction, aluminium cylinder with Nikasil coated liner | Longitudinal 65? V4 cylinder, 4-stroke, DOHC, four valves per cylinder | Single cylinder, 2 stroke |
| Capacity: | 749 c / 45.7 cub. in. | 1746 cc / 107 cub in | 124.8 cc / 7.5 cu in | 1077 cc / 65.7 cu in | 150 cc / 7.6 cub in |
| Bore x Stroke: | 70 x 48.7 mm | 100 x 111 mm | 54 x 54.5mm | 81 x 52.3 mm | 57 x 57.6 mm |
| Lubrication: | Wet sump | Pressurized, dry-sump with oil cooler | Separate mixing, volumetric pump | Wet sump lubrication system with oil radiator and two oil pumps (lubrication and cooling) | Oil bath |
| Ignition: | Digital DC-CDI | Single-fire, non-wasted, map-controlled spark ignition | CDI electronic ignition | Magneti Marelli digital electronic ignition system integrated in engine control system, with one spark plug per cylinder and "stick-coil"-type coils | Battery, 12 V, carburetor |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Transmission: | 6 Speed, constant mesh | 6 Speed | 6 Speed | 6 Speed, gear lever with Aprilia Quick Shift electronic system (aQS) | Three speed gearbox, with twist grip gear selection |
| Final Drive: | Chain, RK525ROZ5Y, 116 links | Belt | 17:40 | Chain, | Shaft |
| Frame: | Ultra-lightweight frame built entirely of aluminum alloy castings. | Mild steel; tubular frame; two-piece stamped and welded backbone; cast and forged junctions; twin downtubes; bolt-on rear frame with forged fender supports; MIG welded | Cast aluminium, reinforced box section, sloping twin-spar frame | Aluminium dual beam chassis with pressed and cast sheet elements. Sachs steering damper | Rigid tubular steel frame, rubber mounted noise-isolated body |
| Rear Suspension: | Showa 41mm aluminum alloy rear shock with a 16mm rod diameter are fully adjustable for high and low speed compression, spring preload and rebound damping | Swingarm Mild steel, two-piece drawn and welded section, forged junctions, MIG welded, Rear Shocks Air-adjustable | Monoshock, cast aluminium box section swingarm with asymmetric members | Double braced aluminium swingarm; mixed low thickness and sheet casting technology. ?hlins Racing monoshock with piggy-back, fully adjustable in: spring preload, wheelbase length, hydraulics in compression and rebound. APS progressive linkages | Swinging arm with dual coil springs and hydraulic telescopic shock absorber |
| Dry Weight: | 156 kg / 344 lbs | 398 kg / 877 lbs | 127 kg / 280 lbs | 184kg / 405 lbs | 123 kg / 271 lbs |