Aprilia RS 125 Poggiali Replica (2005) vs BMW K 1200S (2007-08) vs Kawasaki KLX 250SF D-Tracker X (2009-11) vs BMW R 1200GS Adventure (2008)
Comparison technical specifications
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| Make: | Aprilia | BMW | Kawasaki | BMW |
| Model: | RS 125 Poggiali Replica | K 1200S | KLX 250SF D-Tracker X | R 1200GS Adventure |
| Years: | 2005 | 2007-08 | 2009-11 | 2008 |
| Engine: | Single cylinder, two stroke, reed valves induction | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, single cylinder, DOHC, 4 valve | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder |
| Capacity: | 125 cc / 7.6 cu in | 1157 cc / 70.6 cu in | 249 cc / 15.2 cu-in | 1170 cc / 71.4 in. |
| Bore x Stroke: | 54 x 54.5mm | 79 X 59 mm | 72 х 61.2 mm | 101 x 73 mm |
| Compression Ratio: | 14.5:1 | 13.0:1 | 11.0:1 | 11.0:1 |
| Cooling System: | Liquid cooled | Liquid cooled | Liquid cooled | Air/oil cooled |
| Induction: | Dell'Orto VHSB 34LD | Injection | Keihin CVK34 carburetor | Electronic intake pipe injection/digital engine management: BMS-K with overrun fuel cut off, dual ignition |
| Ignition: | Electronic | Electronic | Digital CDI | BMS-K |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 21 kW / 28 hp @ 10500 rpm | 124.5 kW / 167 hp @ 10250 rpm | 27 hp / 22.3 kW @ 8500 rpm | 73 kW / 98 hp @ 7000 rpm |
| Max Torque: | 19 Nm / 1.9 kgf-m / 14.1 lb-ft @ 9000 rpm | 129 Nm / 13.2 kgf-m / 95.4 lb-ft @ 8250 rpm | 2.6 kgf-m / 18.5 lb-ft @ 7500 rpm | 115 Nm / 11.7 kgf-m / 84.8 ft-lbs @ 5500 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Shaft | Chain | Shaft |
| Front Suspension: | Upside-down forks, Ø 40mm | BMW Motorrad Duolever; central spring strut | 43mm Inverted Cartridge Fork with 16-Way Compression and Rebound Damping adjustment | Telelever, stanchion ∅41mm, central spring strut, spring preload 9 times mechanically adjustable. |
| Front Wheel Travel: | 120 mm / 4.7 in | 115 mm / 4.5 in. | 231 mm / 9.1 in | 210 mm / 8.3 in |
| Rear Suspension: | Monoshock | BMW Paralever with progressive damping single shock absorber, remotely adjustable for preload and rebound | Uni-Trak® with Adjustable preload, 16-Way compression and Rebound damping adjustment | Die-cast aluminium single-sided swinging arm with BMW Motorrad Paralever, WAD strut (travel-related damping), spring pre-load hydraulically adjustable to continuously variable levels by means of handwheel, rebound damping adjustable. |
| Rear Wheel Travel: | 120 mm / 4.7 in | 135 mm / 5.3 in. | 205 mm / 8.1 in | 220 mm / 8.7 in |
| Front Brakes: | Single 320 mm discs, 4 piston caliper | 2 x ∅320mm discs, 4 piston calipers | Single 300mm disc 2 piston caliper | 2 x 305mm discs, 4 piston caliper |
| Rear Brakes: | Single 240 mm disc, 2 piston caliper | Single ∅265mm disc, 2 piston caliper | Single 240mm disc 1 piston caliper | Single 265 mm disc, 2 piston caliper |
| Front Tyre: | 110/70-17 | 120/70-17 | 110/70- 17 | 110/80 ZR19 |
| Rear Tyre: | 150/60-17 | 190/50-17 | 130/70- 17 | 150/70 ZR17 |
| Seat Height: | 805 mm / 31.7 in | 820 mm / 32.3 in. | 860 mm / 33.9 in. | 890 - 910 mm / 35.0 - 35.8 in |
| Dry Weight: | 115 kg / 254 lbs | 248 kg / 547 lbs | 137 kg / 302.1 lbs | 223 kg / 492 lbs |
| Fuel Capacity: | 14 L / 3.7 US gal | 19 L / 5.0 US gal | 7.7 Litres / 2.0 US gal | 33 Litres / 8.7 US gal |