BRP Cam-Am BRP Can Am Spyder RT Roadster Limited (2012-13) vs Mash RoadStar 400 (2016-) vs Norton commando 850 John Player Special (1974)
Comparison technical specifications
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| Make: | BRP Cam-Am | Mash | Norton |
| Model: | BRP Can Am Spyder RT Roadster Limited | RoadStar 400 | commando 850 John Player Special |
| Years: | 2012-13 | 2016- | 1974 |
| Engine: | BRP-Rotax, Four stroke, V-Twin, DPHC, 4 valve per cylinder | Four strike, single cylinder, SOHC, 4 valves | Four stroke, parallel twin cylinder, push rod 2 valves per cylinder. |
| Capacity: | 998 cc / 61 cu-in | 397 cc / 24.2 cu in | 829 cc / 50.6 cu in |
| Bore x Stroke: | 97 x 68 mm | 85 x 70 mm | 77 x 89 mm |
| Cooling System: | Liquid cooled | Air cooled | Air cooled |
| Compression Ratio: | 10.8:1 | 8.8:1 | 8.5:1 |
| Induction: | Multi-point EFI with 57 mm diameter throttle bodies | Siemens 2.0 EFI | 2 x Ø32 mm Amal carburetors |
| Starting: | Electric | Electric | Kick |
| Max Power: | 106 hp / 79 kW @ 8500 rpm | 21.6 kW / 29 hp @ 7000 rpm | 60 hp / 44.7 kW @ 6200 rpm |
| Transmission: | Sequential Manual 5-Speed (SM5) with transmission-based reverse | 5-Speed | 4 Speed |
| Final Drive: | Belt | Chain | Chain |
| Front Suspension: | Double A-Arm with anti-roll bar, .5.67 in 144 mm front suspension travel. with adjustable cam | 35 mm Hydraulic fork, adjustable | Telescopic forks |
| Rear Suspension: | Swing-arm with monoshock, 5.71 in 145 mm with adjustable cam rear suspension travel. | Dual-shock, adjustable preload | Dual shocks |
| Front Brakes: | 260mm discs 4 piston caliper | Single 280 mm disc, 2 piston caliper | Single disc |
| Rear Brakes: | Single 260mm disc 2 piston caliper | Drum | Drum |
| Front Tyre: | 2x 165/65R14 | 90/90-19 | 3.50 H18 |
| Rear Tyre: | 225/50R15 | 130/70-18 | 4.10 V18 |
| Dry Weight: | .421 kg / 929 lbs | 151 kg / 333 lbs | 188 kg / 414 lbs |
| Fuel Capacity: | 25 Litres / 6.6 us gal | 13 Litres / 3.4 US gal / 2.9 Imp gal | 12 Litres / 3.2 US gal |