Mash RoadStar 400 (2016-) vs Vespa Primavera 50 Sean Wotherspoon (2020) vs MV Agusta Brutal 800 / ABS (2017-18)
Comparison technical specifications
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| Make: | Mash | Vespa | MV Agusta |
| Model: | RoadStar 400 | Primavera 50 Sean Wotherspoon | Brutal 800 / ABS |
| Years: | 2016- | 2020 | 2017-18 |
| Engine: | Four strike, single cylinder, SOHC, 4 valves | Four stroke, single cylinder, SOHC, 4 valve, catalytic converter | Four stroke, transverse three cylinder. DOHC, 4 Valve per cylinder |
| Capacity: | 397 cc / 24.2 cu in | 49 cc / 3 cub in | 798 cc / 48.69 cu-in |
| Bore x Stroke: | 85 x 70 mm | 39 x 41.8 mm | 79 x 54.3 mm |
| Compression Ratio: | 8.8:1 | 10.5:1 | 13.3:1 |
| Cooling System: | Air cooled | Air cooled, forced | Cooling with separeted liquid and oil radiators |
| Ignition: | Digital electronic | Electronic | Multipoint electronic injection |
| Starting: | Electric | Electric | Electric |
| Max Power: | 21.6 kW / 29 hp @ 7000 rpm | 3.0 kW / 4.1 hp | 81 kW / 109 hp @ 11500 rpm |
| Max Torque: | 30 Nm / 3.06 kgf-m / 22.1 ft-lb @ 5500 rpm | 3.5 Nm / 0.36 kgf-m / 2.6 ft-lbs | 83 Nm / 61.2 lb-ft @ 7600 ron |
| Frame: | Tubular steel frame | Sheet metal body with welded reinforcements | ALS Steel tubular trellis, swing arm pivot plates material Aluminium alloy |
| Clutch: | Wet, multi-plate | Automatic, dry centrifugal with vibration dampers | Hydraulically actuated Wet-clutch, multi-disc with back torque limiting device |
| Transmission: | 5-Speed | CVT | 6 Speed constant mesh |
| Final Drive: | Chain | Belt | Chain |
| Front Suspension: | 35 mm Hydraulic fork, adjustable | Single arm with coil spring and dual action mono shock absorber | 43mm Marzocchi “UPSIDE DOWN” telescopic hydraulic fork with rebound-compression damping and spring preload external and separate adjustment |
| Rear Suspension: | Dual-shock, adjustable preload | Hydraulic monoshock | Progressive Sachs, single shock absorber with rebound and compression damping and spring preload adjustment Single sided swing arm material Aluminium alloy |
| Front Brakes: | Single 280 mm disc, 2 piston caliper | Stainless steel disc, 200 mm, hydraulically operated | 2x 320 mm floating discs with Brembo radial-type 4 pistons caliper |
| Rear Brakes: | Drum | Drum, 140 mm, mechanically operated | Single 220mm disc 2 piston caliper |
| Front Tyre: | 90/90-19 | 110/70-12 tubeless | 120/70 – ZR 17 M/C (58 W) |
| Rear Tyre: | 130/70-18 | 20/70-12, tubeless | 180/55 – ZR 17 M/C (73 W) |
| Dimensions: | Length: 2130 mm / 83.8 in Width: 740 mm / 29.1 in Height: 1130 mm / 44.5 in | Length: 1860 mm / 73.2 in Width: 735 mm / 28.9 in | Length 2045 mm / 80.51 in Width 875 mm / 34.45 in |
| Seat Height: | 780 mm / 30.7 in | 780 mm / 30.7 in | 830 mm / 32.6 in |
| Dry Weight: | 151 kg / 333 lbs | 115 kg / 254 lbs | 175 kg / 385,8 lbs |
| Fuel Capacity: | 13 Litres / 3.4 US gal / 2.9 Imp gal | 7 L / 1.8 US gal | 16.6 Litres / 4.39 US gal |