Triumph TR65 Thunderbird (1982-83) vs Yamaha RD 200 (1979)
Comparison technical specifications
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| Make: | Triumph | Yamaha |
| Model: | TR65 Thunderbird | RD 200 |
| Years: | 1982-83 | 1979 |
| Engine: | Four stroke, parallel twin cylinder, OHV | Two stroke, torque induction, parallel twin |
| Capacity: | 649 cc / 39.6 cu in | 195 cc / 11.8 cu-in |
| Bore x Stroke: | 76 x 71.5 mm | 52 х 46 mm |
| Compression Ratio: | 8.6:1 | 7.1:1 |
| Cooling System: | Air cooled | Air cooled |
| Induction: | Single 30 mm Amal carburetor | 2x Y20P Carburetors |
| Starting: | Kick | Electric & Kick |
| Max Power: | 31.3 kW / 42 hp @ 6500 rpm | 20 hp / 14.7 kW @ 8000 rpm |
| Max Torque: | 50.1 Nm / 5.1 kgf-m / 37 ft-lb @ 5500 rpm | 1.9 kgf-m / 8.6 Nm @ 7000 rpm |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic fork | Telescopic forks |
| Rear Suspension: | Dual Girling shocks, 5-way preload adjustment | Dual shocks |
| Front Brakes: | Single 250 mm disc | Single 245 mm disc |
| Rear Brakes: | 178 mm Drum | Drum |
| Front Tyre: | 3.25-19 | 2.75-18-4PR |
| Rear Tyre: | 4.00-18 | 3.25-18-4PR |
| Wet Weight: | 185 kg / 408 lbs | 140.0 kg / 308.6 lbs |
| Dimensions: | Length: 2220 mm / 87.4 in | Length 1945 mm / 76.5 in Width 755 mm / 29.7 in Height 980 mm / 38.5 in |
| Wheelbase: | 1422 mm / 60.0 in | 1240 mm / 48.8 in |
| Seat Height: | 787 mm / 31.0 in | 780 mm / 30.7 in |
| Fuel Capacity: | 18.2 L / 4.8 US gal / 4.0 Imp gal | 11.5 Litres / 3.0 US gal |