BMW F 900R (2025) vs BMW M 1000R (2025) vs Sunbeam Model 1, Model 2 (1923-30) vs Hesketh 24 (2015)
Comparison technical specifications
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| Make: | BMW | BMW | Sunbeam | Hesketh |
| Model: | F 900R | M 1000R | Model 1, Model 2 | 24 |
| Years: | 2025 | 2025 | 1923-30 | 2015 |
| Engine: | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder | Four stroke, transverse four cylinder, DOHC, valve actuation via single-cam followers | Single cylinder, side valve | Four stroke, V twin, Push rod 2 valves per cylinder |
| Capacity: | 895 cc / 54.6 cu-in | 999 cc / 60.9 cu-in | 347 cc / 21.2 cu | 1950 cc / 119 cu-in |
| Bore x Stroke: | 86 x 77 mm | 80 x 49.7 mm | 70 x 90 mm | 105 x 110 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Air cooled | Air-cooled, 1950 |
| Starting: | Electric | Electric | Kick | Electric |
| Transmission: | Constant mesh 6-speed gearbox integrated in crankcase | Constant-mesh 6-speed | 3-Speed | Baker 5 Speed with overdrive |
| Final Drive: | Endless O-ring chain with shock damping in rear wheel hub | Chain 525 17/47 | Enclosed chain | Chain |
| Frame: | Bridge-type frame, steel shell construction, load bearing engine | Aluminium composite bridge frame, engine self-supporting | Single downtube cradle | Chrome-moly tube cradle frame, Swing Arm Steel box section with integral oil tank |
| Front Suspension: | 43mm inverted fork with adjustable damping rebound and compression damping as well as adjustable spring preload. | Upside-down telescopic fork, diameter 45 mm, electronic self-adjusting DDC Dynamic Damping Control, spring preload, rebound and compression stages adjustable | Druid forks | 43mm Öhlins USD forks, adjustable preload, compression & rebound damping, fully machined billet yokes |
| Rear Suspension: | Aluminum double-sided swing arm, directly linked central spring strut, hydraulically adjustable spring preload, adjustable rebound damping (Optional equipment: Dynamic ESA) | Aluminum twin-sided swingarm, DDC Dynamic Damping Control (central shock absorber), adjustable spring preload, rebound and compression stages electronically adjustable | Rigid, spring loaded saddle | Öhlins reservoir-style twin shocks, adjustable ride height, preload, compression & rebound |
| Front Brakes: | 2 x 320mm floating discs, 4-piston radial brake calipers, hydraulically operated | M 2x 320mm discs, radial four-piston fixed callipers | Drum | Beringer 300mm floating discs, 4 piston Beringer Aerotech caliper, Stainless steel braided hoses |
| Rear Brakes: | Single 265mm discs, single-piston floating caliper, hydraulically operated | M Single 220 mm disk, single-piston floating caliper | Drum | Single Beringer 250mm disc, 4 piston Beringer Aerotech caliper, Stainless steel braided hoses |