Triumph Speed Twin 900 Limited Edition (2023) vs Triumph Tiger 650 TR6R (1973) vs Triumph Bonneville 650 T120 (1973)
Comparison technical specifications
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| Make: | Triumph | Triumph | Triumph |
| Model: | Speed Twin 900 Limited Edition | Tiger 650 TR6R | Bonneville 650 T120 |
| Years: | 2023 | 1973 | 1973 |
| Engine: | Four stroke, 270° Crank angle parallel twin, SOHC, 4 valves per cylinder | Four stroke, parallel twin cylinder, OHV | Four stroke, parallel twin, OHV |
| Capacity: | 900 cc / 54.9 cu-in | 649 cc / 39.6 cu in | 649 cc / 39.6 cu in |
| Bore x Stroke: | 84.6 x 80 mm | 76 x 71.5 mm | 71 x 82 mm |
| Compression Ratio: | 11.0:1 | 9.0:1 | 9.0:1 |
| Induction: | Multipoint sequential electronic fuel injection, ride by wire | 30 mm Amal concentric carburetor, R930 | 2 x 30 mm Amal concentric carburetors |
| Ignition: | Digital | 12V Battery and coil, Lucas | Battery, coil |
| Starting: | Electric | Kick | Kick |
| Max Power: | 47.8 kW / 64.1 hp @ 7500 rpm | 31.3 kW / 42 hp @ 6500 rpm | 37.3 kW / 50 hp @ 7000 rpm |
| Clutch: | Wet, multi-plate assist clutch | Wet, multiplate | Multi-disc, wet |
| Transmission: | 5-Speed | 4-Speed | 4 Speed |
| Final Drive: | O ring Chain | Chain | Chain |
| Front Suspension: | 41 mm Kayaba fork, non-adjustable with cartridge damping | Telescopic fork, 2-way hydraulic damping | Telescopic forks |
| Rear Suspension: | Twin RSUs, with pre-load adjustment | Swingarm, dual shocks, hydraulically damped, adjustable preload | Swinging arm, dual shocks |
| Front Brakes: | Single 310mm floating disc, Brembo 4 piston fixed axial caliper | Drum, 2LS, 200 mm / 8" | Drum |
| Rear Brakes: | Single 255mm disc, Nissin 2 piston floating caliper | Drum, 1LS, 180 mm / 7" | Drum |
| Front Tyre: | 100/90-18 | 3.25 x 19 K70 | 3.25 -19 |
| Rear Tyre: | 150/70 R17 | 4.00 x 18 K70 | 4.00 -18 |
| Fuel Capacity: | 12 Litres / 3.2 US gal | 18.2 L / 4.8 US gal / 4.0 Imp gal | 16L / 4.2 US gal / 3.5 Imp gal |