Suzuki SP 125 (1987-88) vs Yamaha TRX 850 (1996-99) vs Suzuki TU 250X (1997-01)
Comparison technical specifications
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| Make: | Suzuki | Yamaha | Suzuki |
| Model: | SP 125 | TRX 850 | TU 250X |
| Years: | 1987-88 | 1996-99 | 1997-01 |
| Engine: | Four stroke, single cylinder, OHC, twin dome combustion chamber | Four stroke, parallel twin cylinder, DOHC, 5 valves per cylinder | Four stroke, single cylinder, SOHC, 4 valves |
| Capacity: | 124 cc / 7.6 cu in | 849 cc / 51.8 cu-in | 249 cc / 15.2 cu-in |
| Bore x Stroke: | 57 x 48.8 mm | 89.5 x 67.5 mm | 72 x 61.2 mm |
| Compression Ratio: | 9.5:1 | 10.5:1 | 9.0:1 |
| Cooling System: | Air cooled | Liquid cooled | Air/oil-cooled |
| Induction: | Mikuni VM26SS carburetor | 2x Mikuni BDST38 carbs | EFI |
| Ignition: | Suzuki PEI | TCI (Transistor Controlled Ignition) | Electronic ignition (fully transistorized) |
| Starting: | Kick | Electric | Electric |
| Max Power: | 8.7 kW / 12 hp @ 9800 rpm | 79.7 hp / 58.6 kW @ 7500 rpm | 15 kW / 20 hp @ 8000 rpm |
| Max Torque: | 8.71 Nm / 0.89 kgf-m / 6.42 lb-ft @ 9500 rpm | 8.55 kgf-m 83.8 Nm @ 6000 rpm | 21 Nm / 2.1 kgf-m / 15.5 lb-ft @ 5500 rpm |
| Transmission: | 6 Speed | 5 Speed | 5 Speed |
| Final Drive: | Chain, #428 | Chain | Chain |
| Front Suspension: | Telescopic forks, leading axle, oil damped | 41mm Telescopic fork Coil spring. oil damper | Telescopic, hydraulic dampers, coil springs |
| Rear Suspension: | Box-type swingarm, monoshock, full floater, fully adjustable | Swingarm Coil spring. gas-oil damper | Swinging arm, hydraulic dampers, coil springs |
| Front Brakes: | Single hydraulic disc | 2x 298mm discs 4 piston calipers | Single disc |
| Rear Brakes: | Drum | Single 248mm disc | Drum |
| Front Tyre: | 80/80-21 45P, semi knobbly | 120/60 ZR17 | 90/90-18 |
| Rear Tyre: | 100/80-18 53P, semi-knobbly | 160/60 ZR17 | 110/90-18 |
| Dimensions: | Length: 2170 mm / 85.4 in Width: 845 mm / 33.3 in Height: 1190 mm / 46.9 in | Length 2070 mm / 81.4 in Width 700 mm / 27.5 in | Length 2070 mm / 81.5 in Width 750 mm / 29.5 in Height: 1075 mm / 42.3 in |
| Wheelbase: | 1390 mm / 54.8 in | 1435 mm / 56.4 in | 1375 mm / 54.1 in |
| Seat Height: | 820 mm / 32.3 in | 798 mm / 31.8 in | 770 mm / 30.3 in |
| Wet Weight: | 114 kg / 251 lbs | 202 kg / 445.3 lbs | 149 kg / 326 lbs |
| Fuel Capacity: | 13 Litres / 3.4 US gal / 2.9 Imp gal | 18 Litres / 4.7 US gal | 12 Litres / 3.2 US gal / 2.6 Imp gal |