Honda VFR 750F-RJ (1994) vs Velocette Viper (1955-68) vs Derbi Senda R 125 4T (1999-03) vs Mash FlatTracker - Von Dutch 400 Limited Edition (2016-) vs CR&S CR&S Vun Satin Sport ()
Comparison technical specifications
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| Make: | Honda | Velocette | Derbi | Mash | CR&S |
| Model: | VFR 750F-RJ | Viper | Senda R 125 4T | FlatTracker - Von Dutch 400 Limited Edition | CR&S Vun Satin Sport |
| Years: | 1994 | 1955-68 | 1999-03 | 2016- | |
| Engine: | Four stroke, 90°V-four cylinder, DOHC, 4 valve per cylinder | Four stroke, single cylinder | Four stroke, single cylinder. OHC | Four strike, single cylinder, SOHC, 4 valves | Rotax, four stoke, single cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 748 cc / 45.6 cub in | 349 cc / 30.5 cub in | 124 cc / 7.6 cu-in | 397 cc / 24.2 cu in | 652 cc / 39.79 cu-in |
| Bore x Stroke: | 70 x 48.6 mm | 72 x 86 mm | 56 x 49 mm | 85 x 70 mm | 100 x 83 mm |
| Cooling System: | Liquid cooled | Air cooled | Air cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 11.0:1 | 8.0:1 | 11.0:1 | 8.8:1 | 9.7;1 |
| Ignition: | Digitalized full transistor ignition | Belt driven dynamo, after 1962: Lucas system | Electronic | Digital electronic | Marelli integrated electronic, twin spark |
| Starting: | Electric | Kick start | Electric | Electric | Electric |
| Max Power: | 76.6 kW / 105 hp @ 10000 rpm | 25 kW / 28 hp @ 7000 rpm | 9 kW / 12 hp @ 6500 rpm | 21.6 kW / 29 hp @ 7000 rpm | 54 hp / 40 kW @ 7000 rpm |
| Clutch: | Wet, multiple discs, cable operated | Dry, three-plate | Multiplate | Wet, multi-plate | Wet multiplate |
| Transmission: | 6 Speed | 4 Speed constant mesh, close ratio | 5 Speed | 5-Speed | 5 Speed |
| Final Drive: | Chain | Chain | Chain | Chain | With “O” ring chain |
| Front Suspension: | 41mm Telescopic forks, no external adjustment | Telescopic fork with hydraulic compression and rebound damping | 41mm Paoli forks | 41 mm Hydraulic fork, adjustable | 46mm Telescopic forks |
| Rear Suspension: | Pro-link single sided swing arm, adjustable preload | Woodhead-Monroe springs with hydraulic damping, later Armstrong and Girling, adjustable | Paoli monoshock | Dual-shock, adjustable preload | Oscillating swingarm, single shock absorber |
| Front Brakes: | 2x 296 mm discs, 2 piston calipers | 7.5 x 1.5 in., drum | Single 260mm disc | Single 280 mm disc, 2 piston caliper | Single 320mm disc |
| Rear Brakes: | Single 256 mm disc, 2 piston caliper | 7 x 1 in., drum | Single 220mm disc | Drum | Single 220mm disc |
| Front Tyre: | 120/70 VR17 | 3.25 x 19 in | 80/90 -21 | 90/90-19 | 120/70 ZR17 |
| Rear Tyre: | 170/60 VR17 | 3.25 x 19 in | 180/80 -18 | 130/70-18 | 160/60 ZR-17 |
| Dry Weight: | 209 kg / 461 lbs | 165 kg / 364 lbs | 118 kg / 269 lbs | 151 kg / 333 lbs | 135 kg / 297.6 LBS |
| Fuel Capacity: | 21 Litres / 5.5 gal | 13.6 L / 3.6 US gal | 7.5 Litres / 2.0 US gal | 13 Litres / 3.4 US gal / 2.9 Imp gal | 12,5 Litres / 3.3 US gal |