Aprilia RX 125 R (2007-09) vs Aprilia SMV 900 Dorsoduro (2017)
Comparison technical specifications
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| Make: | Aprilia | Aprilia |
| Model: | RX 125 R | SMV 900 Dorsoduro |
| Years: | 2007-09 | 2017 |
| Engine: | Single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard. | Four stroke, longitudinal 90°V twin, DOHC, with mixed gear/chain timing system,4 valves per cylinder |
| Capacity: | 124.8 cc / 7.6 cu in | 896.1 cc / 54.6 cu-in |
| Bore x Stroke: | 54 x 54.5 mm | 92 x 67.4 mm |
| Compression Ratio: | 12.5:1 | 11.0:1 |
| Cooling System: | Liquid cooled | Liquid cooled |
| Induction: | Dell’Orto VHST 28 | Integrated engine management system. Injection with 3-map Ride- by-wire throttle valve opening management (Sport, Touring, Rain) |
| Ignition: | Electronic CDI | Digital electronic, integrated with the injection |
| Starting: | Electric and kick | Electric |
| Transmission: | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain |
| Gear Ratio: | 1st 10:30 / 2nd 14:29 / 3rd 17:27 / 4th 19:25 / 5th 21:23 / 6th 22:21 | 1st 14/36 (2.57) 2nd 17/32 (1.88) 3rd 20/30 (1.5) 4th 22/28 (1.27) 5th 23/26 (1.13) 6th 24/25 (1.04) |
| Frame: | High strength steel frame with double trellis beam and double cradle. Separate seat frame. | Modular tubular steel frame fastened to aluminum side plates by high strength bolts. Dismountable rear frame |
| Front Suspension: | Upside down telescopic fork, Ø 40 mm. | Upside-down fork, stanchions Æ 41 mm. Adjustable hydraulic rebound damping and spring preload. |
| Front Wheel Travel: | 260 mm / 10.2 in | 160 mm / 6.3 in |
| Rear Suspension: | Steel swingarm. Hydraulic monoshock with piggy back cylinder. | Aluminum alloy swingarm. Hydraulic shock absorber with adjustable extension and spring preload |
| Rear Wheel Travel: | 270 mm / 10.6 in | 160 mm / 6.3 in |
| Front Brakes: | Single Ø 260 mm disc. 2 piston caliper | 2 x 320 mm discs, stainless floating discs. Radial, four-piston callipers. Metal braided brake hose |
| Rear Brakes: | Single Ø 220 mm disc, 1 piston caliper | Single 240 mm disc, Single piston calliper. Metal braided line. |
| Front Tyre: | 90/90-21 | 120/70 ZR17 |
| Rear Tyre: | 120/90 18 | 180/55 ZR17 |
| Fuel Capacity: | 10 liters / 2.6 US gal | 12 Litres / 3.17 US gal |