Aprilia SX 50 (2014-15) vs Aprilia RST 1000 Futura (2004) vs Aprilia RST 1000 Futura (2003)
Comparison technical specifications
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| Make: | Aprilia | Aprilia | Aprilia |
| Model: | SX 50 | RST 1000 Futura | RST 1000 Futura |
| Years: | 2014-15 | 2004 | 2003 |
| Engine: | Single cylinder, two stroke | Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder | Four stroke, longitudinal 60°V twin, DOHC, 4 valves per cylinder |
| Capacity: | 49.9 cc / 3.04 cu in | 997.6 cc / 60.9 cu in | 997.6 cc / 60.9 cu in |
| Bore x Stroke: | 39.9 x 40 mm | 97 x 67.5 mm | 97 x 67.5 mm |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 11.5:1 | 11.8:1 | 11.8:1 |
| Lubrication: | Automatic mixer | Wet sump | Wet sump |
| Induction: | Dell'Orto PVHA 17.5 carburetor | Fuel injection | Fuel injection |
| Starting: | Kick | Electric | Electric |
| Clutch: | Wet, multi plate | Wet, multiple discs, cable operated | Wet, multiple discs, cable operated |
| Transmission: | 6 speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain |
| Frame: | Steel beam | Auminium, twin spar | Auminium, twin spar |
| Front Suspension: | Hydraulic fork, Ø 40 mm | Showa upside-down Ø43 mm fork, adjustable for rebound and preload. 120mm wheel travel | Showa upside-down Ø43 mm fork, adjustable for rebound and preload. 120mm wheel travel |
| Front Wheel Travel: | 195 mm / 7.7 in | 120 mm / 4.7 in | 120 mm / 4.7 in |
| Rear Suspension: | High strength steel swingarm, hydraulic monoshock | Swing arm in aluminium alloy, progressive linkage. Sachs hydraulic shock absorber, adjustable for rebound and preload | Swing arm in aluminium alloy, progressive linkage. Sachs hydraulic shock absorber, adjustable for rebound and preload |
| Front Brakes: | Single stainless steel disc, Ø 260 mm, floating caliper | 2 x Ø320 mm discs, 2 piston calipers | 2 x Ø320 mm discs, 2 piston calipers |
| Rear Brakes: | Single disc, Ø 180 mm, floating caliper | Single Ø255 mm disc, 2 piston caliper | Single Ø255 mm disc, 2 piston caliper |
| Front Tyre: | 100/80 ZR17 | 120/70 ZR17 | 120/70 ZR17 |
| Rear Tyre: | 130/70 ZR17 | 180/55 ZR17 | 180/55 ZR17 |
| Dimensions: | Length: 2045 mm / 80.5 in Width: 835 mm / 32.5 in | Length: 2170 mm / 85.4 in Width: 740 mm / 29.1 in Height: 1220 mm / 48.0 in | Length: 2170 mm / 85.4 in Width: 740 mm / 29.1 in Height: 1220 mm / 48.0 in |
| Wheelbase: | 1400 mm / 55.1 in | 1435 mm / 56.5 in | 1435 mm / 56.5 in |
| Seat Height: | 835 mm / 32.9 in | 820 mm / 32.3 in | 820 mm / 32.3 in |
| Dry Weight: | 98 kg / 216 lbs | 210 kg / 463 lb | 210 kg / 463 lb |
| Fuel Capacity: | 7 Litres / 1.85 US gal | 21 L / 5.5 US gal | 21 L / 5.5 US gal |