Kawasaki ER-6n (2013) vs KTM RC 200 (2016) vs BMW R 80RT (1981) vs Norton Commando 961 CR / SP (2023) vs BMW K 1600 GT (2019-20)
Comparison technical specifications
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| Make: | Kawasaki | KTM | BMW | Norton | BMW |
| Model: | ER-6n | RC 200 | R 80RT | Commando 961 CR / SP | K 1600 GT |
| Years: | 2013 | 2016 | 1981 | 2023 | 2019-20 |
| Engine: | Four stroke, parallel twin, DOHC, 4 valves per cylinder. | Four stroke, single cylinder. DOHC with finger followers, 4 Valve per cylinder, | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. | Four stroke, parallel twin, push rod, hydraulic lifter, 2 valves per cylinder | Four stroke, transverse six cylinder, 4 valves per cylinder |
| Capacity: | 649 cc / 39.6 cu-in | 199.5 cc / 12.1 cu-in | 797.5 cc / 48.7 cu in. | 961 cc / 58.6 cu in | 1649 cc / 100.6 cu in. |
| Bore x Stroke: | 83 X 60 mm | 72 x 49 mm | 84.8 x 70.6 mm | 88 x 79 mm | 72 x 67.5 mm |
| Cooling System: | Liquid cooled, | Liquid Cooled | Air cooled | Air/oil cooled | Liquid cooled |
| Compression Ratio: | 11.3;1 | 14.5:1 | 9.2:1 | 10.1:1 | 12.2:1 |
| Induction: | 2x 38mm Electronic Fuel Injection Keihin | Bosch Injection | 2 x Bing constant depression carburetors | Electronic fuel injection | 52mm Throttle valve diameter, BMS-X |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Max Power: | 53 kW / 72.1 hp @ 8500 rpm | 25.4 hp / 18.6 kW @ 10000 rpm | 36.4 kW / 50 hp @ 6500 rpm | 56.4 kW / 76.8 hp @ 7250 rpm | 118 kW / 160.5 hp @ 7750 rpm |
| Max Torque: | 66 Nm / 6.7 m-kg @ 7000 rpm | 14 lb-ft / 19.2 Nm @8000 rpm | 58 Nm / 5.9 kgf-m / 42 ft/lb @ 4000 rpm | 81 Nm / 59.7 ft-lb @ 6300 rpm | 175 Nm / 17.8 kgf-m / 129 lb-ft @ 5250 rpm |
| Clutch: | Wet multi-disc, manual | Wet multi-disc clutch / mechanically operated | Dry single plate, with diaphragm spring | Wet multi-plate with hydraulic lifter | Multiplate wet clutch, hydraulically activated |
| Transmission: | 6 Speed | 6 Speed | 5 Speed | 5 Speed, constant mesh | Constant-mesh 6-speed gearbox, helical cut |
| Final Drive: | Chain | Chain 5/8 x 1/4” X‑Ring | Shaft | Chain, 525 O-ring | Shaft |
| Frame: | Perimeter, high-tensile steel | Tubular space frame made from steel, powder-coated | Double loop tubular frame with bolt on rear section | Frame is hand TIG and MIG welded at Norton HQ | Bridge-type frame, cast aluminium, load-bearing engine |
| Front Suspension: | 41 mm telescopic fork, | WP Suspension Up Side Down | Telescopic hydraulic fork | 43mm Öhlins upside-down forks adjustable for preload, compression and rebound damping | Dual longitudinal control arm, Dynamic ESA semi-active suspension (road and dynamic modes) |
| Rear Suspension: | Offset laydown single-shock with adjustable preload, | WP Monoshock | BMW Monolever swinging arm | Öhlins twin shocks with remote reservoir fully adjustable | Paralever (single-sided swing arm), central spring strut, rebound/continuously variable, Dynamic ESA semi-active suspension (road and dynamic modes) |
| Front Brakes: | 2x 300mm discs 2 piston Calipers | Single 300 mmdisc | Single ∅285mm disc, 1 piston caliper | 2 x 320mm Brembo fully-floating high carbon stainless steel discs, Brembo 4-piston Mono Bloc radially mounted calipers with ABS, and Brembo front brake master cylinder | 2 x 320mm discs, 4 piston calipers |
| Rear Brakes: | Single 220mm disc 1 piston Caliper | Single 230 mm disc | ∅200mm Drum | Single 240 mm disc, 22-piston caliper with ABS, and Brembo rear brake master cylinder | Single 320mm disc, 2 piston caliper |
| Front Tyre: | 120/70ZR17 | 95/75-R17 | 100/90-H19 | 120/70 x17 | 120/70 ZR17 |
| Rear Tyre: | 160/60ZR17 | 115/75-R17 | 120/90-H18 | 180/55 x 17 | 190/55 ZR17 |
| Fuel Capacity: | 16 Litres / 4.2 US gal. | 10 Litres / 2.6 US gal | 19 Litres / 5.0 US gal | 15 Litres / 3.9 US gal | 26.5 Litres / 7.0 US gal |