Honda C 77 Superhawk (1961-68) vs BMW R 1250R (2021)
Comparison technical specifications
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| Make: | Honda | BMW |
| Model: | C 77 Superhawk | R 1250R |
| Years: | 1961-68 | 2021 |
| Engine: | Four stroke, twin cylinder SOHC | Four stroke, two cylinder horizontally opposed Boxer, with two overhead, spur gear driven camshafts , a counterbalance shaft and variable intake camshaft control system BMW ShiftCam, 4 valves per cylinder, Intake 40mm, outlet 34 mm |
| Capacity: | 305 cc / 18.6 cu-in | 1254 cc / 76.5 cu-in |
| Bore x Stroke: | 60 x 54 mm | 102.5 x 76 mm |
| Cooling System: | Air cooled | Liquid / Air cooled |
| Compression Ratio: | 9.5:1 | 12.5:1 |
| Induction: | 2 × 26 mm Keihin carburetors | Electronic intake pipe fuel injection, 52mm throttle valve |
| Starting: | Kick | Electric |
| Max Power: | 28 hp / 21 kW @ 7500 rpm | 136 hp / 100 kW @ 7750 rpm |
| Max Torque: | 23.1 Nm / 17.0 lb-ft @ 6000 rpm | 143 Nm / 105.4 lb-ft @ 6250 rpm |
| Clutch: | Wet: multi-plates | Wet clutch with anti-hopping function, hydraulically activated |
| Transmission: | 4 Speed | Constant mesh 6-speed gearbox with helical gearing system |
| Final Drive: | Chain | Shaft |
| Front Suspension: | Hydra lick forks | Telescopic Upside-Down fork; stanchion diameter 45 mm |
| Frame: | Tubular steel | Two-section frame concept consisting of main frame with bolt-on rear frame, load-bearing engine |
| Rear Suspension: | Dual chocks | Cast aluminium single-sided swing arm with BMW Motorrad Paralever; WAD strut (travel- related damping), spring pre-load hydraulically adjustable (continuously variable) at handwheel, rebound damping adjustable at handwheel |
| Front Brakes: | Drum | 2x 276mm floating discs, 4-piston radial brake calipers |
| Rear Brakes: | Drum | Single 276mm disc, 2-piston floating caliper |
| Front Tyre: | 275x18 | 120/70 ZR17 |
| Rear Tyre: | 300x18. | 180/55 ZR17 |
| Wheelbase: | 1300 mm / 51.0 in | 1515 mm / 59.6 in |
| Seat Height: | 760 mm / 30.0 in | 820 mm / 32.3 in OE low seat: 760 mm / 29.9 in OE sport seat: 840 mm / 33.0 in |
| Wet Weight: | 159 kg / 351 lbs | 239 kg / 526.9 lbs |
| Fuel Capacity: | 13 Litres / 3.6 US gal | 18 Litres / 4.7 US gal |