Suzuki SP 370 (1978) vs Yamaha RD 250 (1977)
Comparison technical specifications
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| Make: | Suzuki | Yamaha |
| Model: | SP 370 | RD 250 |
| Years: | 1978 | 1977 |
| Engine: | Four stroke, single cylinder, SOHC | Two stroke, torque induction, parallel twin |
| Capacity: | 369 cc / 22.5 cu in | 247 cc / 15.0 cu-in |
| Bore x Stroke: | 85 x 65.2 mm | 54 х 54 mm |
| Compression Ratio: | 8.9:1 | 6.7:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | 1 x 32mm Mikuni BS32SS carburetor | 2x Mikuni VM28 SC carburetor |
| Ignition: | Magneto battery point | Battery and coil with breaker points |
| Starting: | Kick | Kick |
| Max Power: | 18.5 kW / 24.8 hp @ 7500 rpm | 30 hp / 22.3 kW @ 7500 rpm |
| Max Torque: | 28 Nm / 2.86 kgf-m / 20.7 lb-ft @ 4000 rpm | 21 lb-ft / 2.9 kgf-m @ 7000 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic fork, oil/gas damped | Telescopic forks |
| Rear Suspension: | Full floater, swingarm | Dual shocks |
| Front Brakes: | 150 mm Drum | Single 267mm disc |
| Rear Brakes: | 150 mm Drum | Single 267mm disc |
| Front Tyre: | 3.00 -21 | 3.00S-18-4PR |
| Rear Tyre: | 4.00 -18 | 3.50S-18-4PR |
| Dimensions: | Length: 2200 mm / 86.6 in Width: 850 mm / 33.5 in Height: 1180 mm / 46.5 in | Length 1995 mm / 78.5 in Width 830 mm / 32.6 in Height 1085 mm / 42.7 in |
| Wheelbase: | 1420 mm / 55.9 in | 1325 mm / 52.1 in |
| Ground Clearance: | 240 mm / 9.4 in | 150 mm / 5.9 in |
| Dry Weight: | 123 kg / 271 lbs | 152 kg / 335 lbs |
| Fuel Capacity: | 8.5 Litres / 2.2 US gal / 1.9 Imp gal | 16.5 Liters / 4.2 US gal |