Suzuki SP 370 (1977-79) vs Yamaha TDR 125 (1989-92)
Comparison technical specifications
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| Make: | Suzuki | Yamaha |
| Model: | SP 370 | TDR 125 |
| Years: | 1977-79 | 1989-92 |
| Engine: | Four stroke, single cylinder, SOHC | Two stroke, single cylinder |
| Capacity: | 369 cc / 22.5 cu in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 85 x 65.2 mm | 56 x 50.7 mm |
| Compression Ratio: | 8.7:1 | 6.6:1 |
| Cooling System: | Air cooled | Liquid cooled |
| Induction: | 1 x 32mm Mikuni BS32SS carburetor | 28mm Mikuni TM carburetor |
| Ignition: | Magneto battery point | Electronic |
| Starting: | Kick | Electric |
| Max Power: | 19.3 kW / 26 hp @ 5700 rpm | 25 hp / 18.6 kW @ 9500 rpm |
| Max Torque: | 28 Nm / 2.86 kgf-m / 20.7 lb-ft @ 4000 rpm | 2.1 kgf-m / 15.1 lb-ft @ 9500 rpm |
| Transmission: | 5 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic fork, oil/gas damped | 38mm Telescopic forks |
| Rear Suspension: | Full floater, swingarm, gas shocks | Monoshock with 5-way adjustable preload |
| Front Brakes: | 150 mm Drum | Single 282mm disc 2 piston caliper, |
| Rear Brakes: | 150 mm Drum | Single 220mm disc 1 piston caliper. |
| Front Tyre: | 3.00 - 21 PR | 100/90-18 |
| Rear Tyre: | 4.00 -18 PR | 130/80-17 |
| Wheelbase: | 1415 mm / 55.7 in | 1405 mm / 55.3 in |
| Ground Clearance: | 225 mm / 8.9 in | 270 mm / 10.6 in |
| Dry Weight: | 120 kg / 264 lbs | 135 kg / 297.6 lbs |
| Fuel Capacity: | 8.5 Litres / 2.2 US gal / 1.9 Imp gal | 11 Litres / 2.9 US gal |
| Consumption average: | 5.2 L/100 km / 19.2 km/l / 46.2 US mpg / 54.2 Imp mpg | 23 km/lit |
| Standing ¼ Mile: | 16.9 sec / 114 km/h / 70.8 mph | 15.9 sec /127.2 km/h |
| Top Speed: | 140 km/h . 87 mph | 140 km/h / 86.9 mph |