Suzuki GS 850GL (1980-88) vs Aprilia RXV 550i (2010-13) vs Aprilia RX 125 (2010-13)
Comparison technical specifications
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| Make: | Suzuki | Aprilia | Aprilia |
| Model: | GS 850GL | RXV 550i | RX 125 |
| Years: | 1980-88 | 2010-13 | 2010-13 |
| Engine: | Four stroke, transverse four cylinders, DOHC, 2 valve per cylinder. | Four stroke, 77° V-twin cylinder | Single cylinder two stroke. Aluminium cylinder with Nikasil coated liner. Read valve intake. Separate mixing. Homologated to Euro 3 standard. |
| Capacity: | 843 cc / 51.4 cu in | 549 cc / 33.5 cu in | 124.8 cc / 7.6 cu in |
| Bore x Stroke: | 69 х 56.4mm | 80 x 55 mm | 54 x 54.5 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 8.8:1 | 12.1:1 | 12.5:1 |
| Induction: | 4 x mm Mikuni carburetors | Integrated engine management system controlling ignition and fuel injection. Throttle body: Ø40 mm | Dell’Orto VHST 28 |
| Ignition: | Transistorized | Electronic | Electronic CDI |
| Starting: | Electric & kick | Electric | Electric and kick |
| Transmission: | 5 Speed | 5 Speed | 6 Speed |
| Final Drive: | Shaft | Chain | Chain |
| Front Suspension: | Telescopic forks, 3-way adjustable spring preload | Ø45 mm Upside down fork, double adjustment | Upside down telescopic fork, Ø 40 mm. |
| Rear Suspension: | Dual shocks, 2-way preload and 4-way damping adjustments | Box section aluminium swingarm with cast body, Hydraulic monoshock with compression and rebound adjustment | Steel swingarm. Hydraulic monoshock with piggy back cylinder. |
| Front Brakes: | 2 x 275mm Discs | Single Ø270 mm disc, 4 piston caliper | Single Ø 260 mm disc. 2 piston caliper |
| Rear Brakes: | Single 275mm disc | Single Ø240 mm disc, 2 piston caliper | Single Ø 220 mm disc, 1 piston caliper |
| Front Tyre: | 3.50-19 | 90/90 -21 | 90/90-21 |
| Rear Tyre: | 4.50-17 | 140/80 -18 | 120/90 18 |
| Dimensions: | Length: 2235 mm / 88.0 in Width: 735 mm / 28.9 in Height: 1145 mm / 45.1 in | Length: 2222 mm / 87.5 in Width: 800 mm / 31.5 in | Length: 2165 mm / 85.2 in Width: 850 mm / 33.5 in |
| Seat Height: | 785 mm / 30.9 in | 918 mm / 36.1 in | 830 mm / 32.7 in |
| Fuel Capacity: | 22 Litres / 5.8 US gal / 4.8 Imp gal | 7.8 Litres / 2.1 US gal | 10 liters / 2.6 US gal |