Yamaha DT 250 (1978) vs Triumph Trophy 1200 (1994-95) vs Triumph Speed 400 (2024) vs Moto Guzzi V7 Classic (2010-11) vs Honda CN 250 Helix / Fusion (1986-09)
Comparison technical specifications
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| Make: | Yamaha | Triumph | Triumph | Moto Guzzi | Honda |
| Model: | DT 250 | Trophy 1200 | Speed 400 | V7 Classic | CN 250 Helix / Fusion |
| Years: | 1978 | 1994-95 | 2024 | 2010-11 | 1986-09 |
| Engine: | Two stroke, single cylinder | Four stroke, transverse four cylinder, DOHC | Four stroke, DOHC, single cylinder, 4 valves | Four stroke, V twin, longitudinally mounted, OHV, 2 valves per cylinder. | Four stroke, single cylinder. SOHC |
| Capacity: | 246 cc / 15.0 cu-in | 1180 cc / 72 cu in | 398 cc / 24.3 cu-in | 744 cc / 45.4 cu-in | 244 cc / 14.9 cu-in |
| Bore x Stroke: | 70 x 64 mm | 76 x 65 mm | 89.0 x 64.0mm | 80 x 74 mm | |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 6.8:1 | 10.6:1 | 12.1:1 | 9.6:1 | |
| Induction: | Single 28mm Mikuni VM28SS | 4 x 36 mm Flat side CV carburetors | Bosch ride-by-wire EFI | Weber- Marelli electronic injection | |
| Starting: | Kick | Electric | Electric | Electric | |
| Max Power: | 17 hp 12.6 kW @ 6000 rpm | 85 kW / 114 hp @ 9100 rpm | 29.4 kW / 40hp @ 8000 rpm | 48 hp 35 kW @ 6200 rpm | 17 hp / 12.4 kW |
| Max Torque: | 20.7 Nm / 15.3 lb-ft @ 5500 rpm | 94.1 Nm / 9.6 kgf-m / 69.4 ft-lb @ 7750 rpm | 38 Nm / 28 ft-lbs @ 6500 rpm | 58 Nm 40.3 lb-ft @ 5000 rpm | 20.5 Nm / 15.1 ft-lb |
| Transmission: | 5 Speed | 6 Speed | 6-Speed | 5 Speed | V-Matic continuously variable transmission |
| Final Drive: | Chain | Chain | X-ring chain | Shaft, ratio 4.825 | |
| Front Suspension: | Oil-damped, coil-spring fork with forward-mounted axle and | 43 mm Forks with triple rate springs adjustable for compression, rebound damping and spring preload | 43mm Showa Big Piston, non-adjustable inverted fork | Marzocchi Ø 40 mm telescopic front forks | Trailing link fork |
| Rear Suspension: | DeCarbon-type, nitrogen-charged mono-shock producing | Monoshock with adjustable preload and rebound damping | Single shock, fixed damping with the shock adjustable piggy-back reservior | Swinging arm in light cast alloy with two dampers and adjustable preload | Swingarm |
| Front Brakes: | Conical hub with drum brake | 2 x 310 mm Discs, 4 piston calipers | Single 300 mm disc with radially mounted 4-piston caliper | Single 320mm discs 2 piston calipers | Single disc |
| Rear Brakes: | Conical hub with rod-actuated drum brake | Single 255 mm disc, 2 piston caliper | Single 230 mm disc with floating caliper | Single 260mm disc 2 piston caliper | Drum |
| Front Tyre: | 3.00-21 | 120/70 ZR17 | 110/70 x R17 | 100/70-18 | 110/100-12 |
| Rear Tyre: | 4.00-18 | 180/55 ZR17 | 150/60 x R17 | 130/80-17 | 120/90-10 |
| Fuel Capacity: | 8.5 Litres / 2.2 gal | 25 Litres / 6.6 US gal / 5.5 Imp gal | 13 Litres / 3.43 US gal | 17 Litres / 4.5 gal | 12 Litres / 3.2 US gal |