Triumph Rocket III Roadster (2013) vs Ducati 650 Indiana (1986-90)
Comparison technical specifications
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| Make: | Triumph | Ducati |
| Model: | Rocket III Roadster | 650 Indiana |
| Years: | 2013 | 1986-90 |
| Engine: | Four stroke, longitudinal three cylinder, DOHC, 4 valves per cylinder. | Four stroke, 90°“L”twin cylinder, SOHC, desmodromic 2 valves per cylinder, belt driven |
| Capacity: | 2294 cc / 140 cu in | 649cc / 39.6 cu in |
| Bore x Stroke: | 101.6 x 94.3 mm | 82 x 61.5 mm |
| Cooling System: | Liquid cooled | Air cooled |
| Compression Ratio: | 8.7:1 | 10.0:1 |
| Induction: | Multipoint sequential electronic fuel injection | Bing 64-32/375 |
| Ignition: | Digital - inductive type,via electronic engine management | Kokusan electronic |
| Starting: | Electric | Electric |
| Max Power: | 109 kW 146 hp @ 5750rpm | 40.0 kW / 53 hp @ 7000 rpm |
| Max Torque: | 221Nm / 22.5 kgf-m / 163 ft.lbs @ 2750rpm | 45 Nm / 4.6 kgf-m / 33.2 ft-lb @ 6000 rpm |
| Clutch: | Wet, multi-plate | Dry, multiplate |
| Transmission: | 5 Speed, constant mesh | 5 Speed |
| Final Drive: | Shaft | Chain |
| Gear Ratios: | 1st: 41/14 / 2nd: 37/19 / 3rd: 33/23 / 4th: 29/25 / 5th: 27/28 | 1st 3.071 / 2nd 1.850 / 3rd 1.333 / 4th 1.074 / 5th0.931:1 |
| Front Suspension: | Kayaba 43 mm upside down forks | 40 mm Marzocchi PA 185/40 fork |
| Rear Suspension: | Kayaba black spring twin shocks with 5 position adjustable preload | Marzocchi A84 twin shocks |
| Front Brakes: | 2 x 320 mm Discs, 4 piston calipers, Nissen, ABS | Single 260 mm disc |
| Rear Brakes: | Single 316 mm disc, 2 piston caliper, Nissen, ABS | Single 280 mm disc |
| Front Tyre: | 150/80 V17 | 110/90-18 |
| Rear Tyre: | 250/50 V16 | 140/90-15 |
| Dimensions: | Length 2500 mm / 98.3 in Width 970 mm / 38.2 in (Handlebars) Height 1165 mm / 45.8 in | Length: 2024 mm / 79.7 in Width: 930 mm / 36.6 in Height: 1400 mm / 55.1 in |
| Wheelbase: | 1695 mm / 66.7 in | 1530 mm / 60.2 in |
| Seat Height: | 750 mm / 29.5 in | 760 mm / 29.9 in |
| Dry Weight: | 320 kg / 704 lbs | 180 kg / 396.5 lbs |
| Fuel Capacity: | 24 Litres / 6.3 US gal / 5.3 Imp gal | 13 L / 3.4 US gal / 2.9 Imp gal |