Yamaha SR 250 (1980-82) vs Triumph Speed Triple (2013) vs Triumph Speed Triple 94 (2015)
Comparison technical specifications
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| Make: | Yamaha | Triumph | Triumph |
| Model: | SR 250 | Speed Triple | Speed Triple 94 |
| Years: | 1980-82 | 2013 | 2015 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, transverse three cylinder. DOHC, 4 valves per cylinder | Four stroke, transverse three cylinder. DOHC, 4 valves per cylinder |
| Capacity: | 239 cc / 15.2 cu-in | 1050 cc / 64.07 cu-in | 1050 cc / 64.1 cub in |
| Bore x Stroke: | 73.5 x 56.5 mm | 79 x 71.4 mm | 79 x 71.4 mm |
| Cooling System: | Air cooled | Liquid-cooled | Liquid-cooled |
| Compression Ratio: | 8.9:1 | 12.0:1 | 12.0:1 |
| Induction: | 34mm Mikuni carburettor | Multipoint sequential electronic fuel injection | Multipoint sequential electronic fuel injection with SAI |
| Ignition: | Electronically | Digital–inductive type via electronic engine management system | Digital–inductive type via electronic engine management system |
| Starting: | Electric | Electric | Electric |
| Max Power: | 21 hp / 15.7 kW @ 7700 rpm | 95 kW / 128 hp @ 9250 rpm | 99 kW / 135 hp @ 9400 rpm |
| Max Torque: | 18.7 ft-lb / T25.5 Nm @ 7000 rpm | 111 Nm / 11.3 kgf-m / 82 ft.lbs @ 7500rpm | 111Nm / 11.3 kgf-m / 82 ft.lbs @ 7750rpm |
| Transmission: | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | X ring chain | X ring chain |
| Front Suspension: | 32mm Telescopic forks | Showa 43 mm upside down forks | Öhlins 43mm NIX30 upside down forks with adjustable rebound and compression damping |
| Rear Suspension: | Dual shock 5-way preload adjustment. | Showa monoshock | Öhlins TTX36 twin tube Monoshock with rebound and compression damping |
| Front Brakes: | Drum | 2 x 320 mm Discs, 4 piston calipers, Brembo | 2 x 320 mm floating discs, Brembo 4 piston monobloc radial calipers, ABS |
| Rear Brakes: | Drum | Single 255 mm disc, 2 piston caliper, Nissen | Single 255 mm disc, Nissin 2 piston sliding caliper, ABS |
| Front Tyre: | 3.00-18 | 120/70 ZR 17 | 120/70 ZR 17 |
| Rear Tyre: | 120/90-16 | 190/55 ZR 17 | 190/55 ZR 17 |
| Wheelbase: | 1340 mm / 52.75 in | 1435mm / 56.5in | 1435 mm / 56.5in |
| Seat Height: | 740 mm / 29.0 in | 828 mm / 32.6in | 825 mm / 32.5in |
| Wet Weight: | 130 kg 287 lbs | 214 kg / 472lbs | 214 kg / 472 lbs |
| Fuel Capacity: | 10.8 Litres / 2.7 US gal | 17.5 L / 4.6 US gal / 3.8 Imp gal | 17.5 L / 4.6 US gal / 3.8 Imp gal |
| Consumption Average: | 70 mpg | 5.2 L/100 km / 19.1 km/l / 44.9 US mpg / 54 Imp mpg | 90 km/h / 56 mph: 4.7 L/100 km / 21.3 km/l / 50 US mpg / 60 Imp mpg |
| Standing ¼ Mile: | 16.3 sec | 11.6 sec | 11.3 sec |
| Top Speed: | 89 mph / 143.2 km/h | 226.8 km/h / 140.9 mph | 253.8 km/h / 157.7 mph |