Suzuki GSX 1400Z (2004-05) vs Aprilia RS4 125 (2011) vs Yamaha YZF-R 125 (2022) vs Aprilia Atlantic 200 (2008-10) vs BMW R 1200RT (2005)
Comparison technical specifications
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| Make: | Suzuki | Aprilia | Yamaha | Aprilia | BMW |
| Model: | GSX 1400Z | RS4 125 | YZF-R 125 | Atlantic 200 | R 1200RT |
| Years: | 2004-05 | 2011 | 2022 | 2008-10 | 2005 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, single cylinder, SOHC, 4 valve | Four stroke, single cylinder, SOHC, 4 valves per cylinder | Four stroke, two cylinder horizontally opposed Boxer, 4 valves per cylinder |
| Capacity: | 1402 cc / 85.6 cu in | 124.8 cc / 7.6 cu in | 124.7 cc / 7.6 cu-in | 199 cc / 12.1 cu in | 1170 cc / 71.4 cu in |
| Bore x Stroke: | 81 x 68 mm | 58 X 47 mm | 52 x 58.6 mm | 72 x 48.6 mm | 101 x 73 mm |
| Compression Ratio: | 9.5:1 | 12.5 ± 0.5:1 | 11.2:1 | 11.5:1 | 12.0:1 |
| Cooling System: | Air/oil cooled | Liquid cooled | Liquid cooled | Liquid cooled | Air/Oil cooled |
| Induction: | Fuel injection with 34mm throttle bodies | Electronic injection | Electronic fuel Injection | Keihin CVK 7C Ø 30 mm or Walbro WVF 7D Ø29 mm | BMW engine management, BMS-K |
| Ignition: | Electronic ignition | Electronic with CDI capacity discharge | TCI | Electronic, Magneti Marelli | Digital engine management |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Max Power: | 78 kW / 105 hp @ 6800 rpm | 11.7 kW / 16 hp @ 10500 rpm | 11 kW / 14.7 hp @ 9000 rpm | 10 kW / 13.5 hp @ 8000 rpm | 81kW / 110 hp @ 7500 rpm |
| Max Torque: | 124 Nm / 12.6 kgf-m / 91.5 lb-ft @ 5000 rpm | 11 Nm / 1.12 kgf-m / 8.1 ft/lb @ 8500 rpm | 12.4 Nm / 9 lb-ft @ 8000 rpm | 11 Nm / 1.1 kgf-m / 8.1 lb-ft @ 7250 rpm | 115 Nm / 11.7 kgf-m / 85 lb-ft @ 6000 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed, Constant mesh | Automatic | 6 Speed |
| Final Drive: | Chain | Chain | Chain | Belt | System Enclosed driveshaft with two universal joints |
| Front Suspension: | 46 mm Telescopic forks, preload, compression and rebound damping adjustable | Ø41 mm Upside down fork | 41mm Upside-down telescopic fork, | Hydraulic forks, Ø 35 mm | BMW Motorrad Telelever, stanchion diameter 35mm, central spring strut, rebound damping electronically adjustable with standard ESA |
| Rear Suspension: | Dual piggyback reservoir shocks fully adjustable for preload, compression and rebound damping | Asymmetric swingarm with monoshock | Swingarm, link type suspension | Single hydraulic shock, adjustable preload | Die-cast aluminium single-sided swinging arm with BMW Motorrad EVO-Paralever, spring preload hydraulically adjustable to continuously variable levels by means of electronically adjustable ESA, rebound damping with standard ESA |
| Front Brakes: | 2 x 320 mm Discs, 6 piston calipers | Single Ø300 mm disc, 4 piston caliper | Single 292mm disc | Single Ø 240 mm disc, with hydraulic transmission | 2 x 320mm Discs, 4 piston callipers |
| Rear Brakes: | Single 260 mm disc, 2 piston caliper | Single Ø218 mm disc, 1 piston caliper | Single 230mm disc | Single Ø 190mm disc, with hydraulic transmission, combined with front | Single 265mm disc, 2 piston caliper |
| Front Tyre: | 120/70 ZR17 | 110/80 17 | 100/80 -17 M/C | 110/90 -13 | 120/70 ZR17 |
| Rear Tyre: | 190/50 ZR17 | 130/70 17 | 130/70 -17 M/C | 130/70 -13 | 180/60 ZR17 |
| Wheelbase: | 1520 mm / 59.8 in | 1350 mm / 53.1 in | 1355 mm / 53.3 inc | 1470 mm / 57.9 in | 1485 mm / 58.4 in |
| Seat Height: | 790 mm / 31.1 in | 820 mm / 32.3 in | 825 mm / 32.4 in | 790 mm / 31.1 in | 820 mm - 840 mm / 32.2 in - 33.0 in 780 mm - 800 mm / 30.7 - 31.4 in (special equipment low seat bench) |
| Fuel Capacity: | 22 Litres / 5.8 US gal / 4.8 Imp gal | 14.5 Liters / 3.8 gal | 11.5 Litres / 3.0 US gal | 10.5 Litres / 2.8 US gal | 27 Liters / 7.1 US gal |