Triumph Bonneville Speedmaster (2021) vs Suzuki GT 250 (1973)
Comparison technical specifications
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| Make: | Triumph | Suzuki |
| Model: | Bonneville Speedmaster | GT 250 |
| Years: | 2021 | 1973 |
| Engine: | Four stoke, parallel twin, 270° crank angle, SOHC, 4 valve per cylinder | Two stroke, parallel twin |
| Capacity: | 1198 cc / 73.1 cu in | 247 cc / 15.1 cu in |
| Bore x Stroke: | 97.6 x 80 mm | 54 х 54 mm |
| Compression Ratio: | 10.0:1 | 7.5:1 |
| Cooling System: | Liquid cooled | Air cooled |
| Induction: | Multipoint sequential electronic fuel injection | Carburetor |
| Ignition: | Digital | PEI |
| Starting: | Electric | Kick |
| Max Power: | 57.5 kW / 76.9 hp @ 6100 rpm | 22.4 kW / 30 hp @ 8000 rpm |
| Max Torque: | 106 Nm / 78.2 lb-ft @ 4000 rpm | 27.5 Nm / 2.8 kgf-m / 20.3 lb-ft @ 7000 rpm |
| Transmission: | 6-Speed | 6-Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | 47 mm Showa cartridge forks | Telescopic fork |
| Rear Suspension: | Mono-shock RSU with linkage and preload adjustment | Twin shocks, springs |
| Front Brakes: | 2 x 310mm disc, Brembo 2-piston sliding axial calipers | Drum |
| Rear Brakes: | Single 255mm disc, Nissin single piston sliding axial caliper | Drum |
| Front Tyre: | 130/90-16 | 2.75-18 |
| Rear Tyre: | 150/80-16 | 3.00-18 |
| Dimensions: | Length: 2225 mm / 87.6 in Width: 910 mm / 35.8 in Height: 1055 mm /41.5 in | Length: 1985 mm / 78.1 in Width: 870 mm / 43.3 in Height: 1065 mm / 41.9 in |
| Wheelbase: | 1500 mm / 59.1 in | 1290 mm / 50.8 in |
| Wet Weight: | 263 kg / 580 lbs | 146 kg / 322 lbs |
| Fuel Capacity: | 12 Litres / 3.2 US gal | 15 L / 4.0 US gal / 3.3 Imp gal |