Yamaha RD 250 (1975) vs Ducati Monster 1200 (2015-16) vs Triumph Tiger 800 XRx (2019) vs Triumph TSX 750 (1982)
Comparison technical specifications
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| Make: | Yamaha | Ducati | Triumph | Triumph |
| Model: | RD 250 | Monster 1200 | Tiger 800 XRx | TSX 750 |
| Years: | 1975 | 2015-16 | 2019 | 1982 |
| Engine: | Two stroke, torque induction, parallel twin | Four stroke, Testastretta 11° L-Twin, DOHC, 4 Desmodromically actuated valves per cylinder | Four stroke, transverse three cylinder, DOHC, 4 valve per cylinder. | Four stroke, parallel twin, four valves per cylinder. |
| Capacity: | 247 cc / 15.0 cu-in | 1198 cc / 73.1 cu-in | 799 cc / 48.7 cub in | 748 cc / 45.6 cu in |
| Bore x Stroke: | 54 х 54 mm | 106 x 67.9 mm | 74 x 61.9 mm | 76 x 82 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Air cooled |
| Compression Ratio: | 6.7:1 | 12.5:1 | 11.3:1 | 9.5:1 |
| Induction: | 2x Mikuni VM28 SC carburetor | Electronic fuel injection system, 53mm throttle bodies with full Ride by Wire | Multipoint sequential electronic fuel injection | 2 x 34 mm Amal carburetors |
| Starting: | Kick | Electric | Electric | Electric |
| Max Power: | 30 hp / 22.3 kW @ 7500 rpm | 100.7 kW / 135 hp @ 8750 rpm | 70.8 KW / 95 hp @ 9250 rpm | 43.3 kW / 58 hp @ 6500 rpm |
| Clutch: | Wet multi-plate | Light action, wet, multiplate clutch with hydraulic control. Self-servo action on drive, slipper action on over-run. | Wet, multi-plate | Wet, multiplate |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 5 Speed constant mesh |
| Final Drive: | Chain | Chain, front sprocket 15; rear sprocket 41 | Chain, O-ring | Chain |
| Front Suspension: | Telescopic forks | 43 mm Fully adjustable usd fork | Showa 43mm upside down forks | Telescopic forks |
| Rear Suspension: | Dual shocks | Progressive linkage with fully adjustable monoshock. Aluminium single-sided swingarm | Showa monoshock with hydraulically adjustable preload | Swinging arm with Marzocchi shocks |
| Front Brakes: | Single disc | 2 x 320mm Semi-floating discs, radially mounted Monobloc Brembo M4-32 callipers, 4-pistons, radial pump with Bosch ABS as standard | 2 x 308 mm floating discs, Nissin 2-piston sliding caliper, switchable ABS | 2 x 254 mm Lockheed discs |
| Rear Brakes: | Drum | Single 245mm disc, 2-piston floating calliper with Bosch ABS as standard equipment | Single 255 mm disc, Nissin single-piston sliding caliper, switchable ABS | Single 254 mm Lockheed disc |
| Front Tyre: | 3.00S-18-4PR | 120/70 - ZR17 Pirelli Diablo Rosso II | 100/90-19 | 100-19 |
| Rear Tyre: | 3.50S-18-4PR | 190/55 - ZR17 Pirelli Diablo Rosso II | 150/70 R17 | 100-16 |
| Wheelbase: | 1325 mm / 52.1 in | 1511 mm / 59.5 in | 1530 mm / 60.2 in | 1403 mm / 55.2 in |
| Dry Weight: | 152 kg / 335 lbs | 182 kg / 401 lbs | 199 kg / 438.7 lbs | 191 kg / 421 lbs |
| Fuel Capacity: | 16.5 Liters / 4.2 US gal | 17.5 Litres / 4.6 US gal / 3.8 Imp gal | 19 Litres / 5.0 US gal / 4.2 Imp gal | 18.2 L / 4 US gal / 3.3 Imp gal |