Triumph Speed 400 (2024) vs BMW R 80ST (1982)
Comparison technical specifications
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| Make: | Triumph | BMW |
| Model: | Speed 400 | R 80ST |
| Years: | 2024 | 1982 |
| Engine: | Four stroke, DOHC, single cylinder, 4 valves | Four stroke, two cylinder horizontally opposed Boxer, pushrod operated 2 valves per cylinder. |
| Capacity: | 398 cc / 24.3 cu-in | 797.5 cc / 48.7 cu in. |
| Bore x Stroke: | 89.0 x 64.0mm | 84.8 x 70.6 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 12.1:1 | 9.2:1 |
| Induction: | Bosch ride-by-wire EFI | 2 x Bing constant depression carburetors |
| Starting: | Electric | Electric |
| Max Power: | 29.4 kW / 40hp @ 8000 rpm | 36.4 kW / 50 hp @ 6500 rpm |
| Max Torque: | 38 Nm / 28 ft-lbs @ 6500 rpm | 58 Nm / 5.9 kgf-m / 42 ft/lb @ 4000 rpm |
| Clutch: | Wet multiplate with assist and slip functions | Dry single plate, with diaphragm spring |
| Transmission: | 6-Speed | 5 Speed |
| Final Drive: | X-ring chain | Shaft |
| Frame: | Hybrid spine/perimeter, tubular steel, bolt-on rear subframe | Double loop tubular frame with bolt on rear section |
| Front Suspension: | 43mm Showa Big Piston, non-adjustable inverted fork | Telescopic hydraulic fork |
| Front Wheel Travel: | 139.7 mm / 5.5 in | 175 mm / 6.8 in |
| Rear Suspension: | Single shock, fixed damping with the shock adjustable piggy-back reservior | BMW Monolever swinging arm |
| Rear Wheel Travel: | 129.4 mm / 5.1 in | 153 mm / 6.0 in |
| Front Brakes: | Single 300 mm disc with radially mounted 4-piston caliper | Single ∅285mm disc, 1 piston caliper |
| Rear Brakes: | Single 230 mm disc with floating caliper | ∅200mm Drum |
| Front Tyre: | 110/70 x R17 | 100/90-H19 |
| Rear Tyre: | 150/60 x R17 | 120/90-H18 |
| Dimensions: | Length: 2056 mm / 80.9 in Width: 795 mm / 31.3 in Height: 1075 mm / 42.3 in | Length 2180 mm / 85.8 in Width 790 mm / 31.1 in Height 1150 mm / 45.2 in |
| Wheelbase: | 1377 mm / 54.2 in | 1447 mm / 56.9 in |
| Seat Height: | 790 mm / 31.1 in | 845 mm / 33.3 in |
| Wet Weight: | 170 kg / 375 lbs | 198 Kg / 436 lbs |
| Fuel Capacity: | 13 Litres / 3.43 US gal | 19 Litres / 5.0 US gal |