Aprilia RS 125 R Spain's No.1 (2009) vs Honda Rebel CMX 500 / SE (2021) vs BMW F 900R Force (2021)
Comparison technical specifications
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| Make: | Aprilia | Honda | BMW |
| Model: | RS 125 R Spain's No.1 | Rebel CMX 500 / SE | F 900R Force |
| Years: | 2009 | 2021 | 2021 |
| Engine: | Single cylinder, two stroke, reed valves induction, aluminium cylinder with Nikasil coated liner | Four stroke, parallel-twin cylinder, DOHC; 4 valves per cylinder | Four stroke, parallel twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 124.8 cc / 7.5 cu in | 471 cc / 28.7 cu-in | 895 cc / 54.6 cu-in |
| Bore x Stroke: | 54 x 54.5mm | 67 x 66.8mm | 86 x 77 mm |
| Compression Ratio: | 12.5:1 | 10.7:1 | 13.1:1 |
| Cooling System: | Liquid cooled | Liquid-cooled | Liquid cooled |
| Induction: | Dell'Orto PHBH 28 carburetor | PGM-FI | Electronic injection |
| Ignition: | CDI electronic ignition | Computer-controlled digital transistorized w/ electronic advance | Electronic |
| Starting: | Electric | Electric | Electric |
| Transmission: | 6 Speed | 6 Speed | Constant mesh 6-speed gearbox integrated in crankcase |
| Final Drive: | 17:40 | #520 chain; 15T/40T | Endless O-ring chain with shock damping in rear wheel hub |
| Front Suspension: | Upside-down forks, Ø 40mm | 41mm Telescopic fork | 43mm Upside-down telescopic fork |
| Front Wheel Travel: | 120 mm / 4.7 in | 121 mm / 4.8 in | 135 mm / 5.3 in |
| Rear Suspension: | Monoshock, cast aluminium box section swingarm with asymmetric members | Dual shocks with five-position spring preload adjustment | Cast aluminium dual swing arm, central spring strut, spring pre-load hydraulically adjustable, rebound damping adjustable |
| Rear Wheel Travel: | 120 mm / 4.7 in | 96 mm / 3.8 in | 142 mm / 5.5 in |
| Front Brakes: | Single 320 mm floating discs, 4 piston radial caliper | Single 296mm hydraulic disc with two piston caliper | 2X 320mm floating discs, 4-piston radial brake calipers |
| Rear Brakes: | Single 220 mm disc, 2 piston caliper | Single 240mm hydraulic disc with single piston caliper | Single 265mm discs, single-piston floating caliper |
| Front Tyre: | 110/70-17 | 130/90-16 | 120/70 ZR 17 |
| Rear Tyre: | 150/60-17 | 150/80-16 | 180/55 ZR 17 |
| Dimensions: | Length: 1955 mm / 77.0 in Width: 720 mm / 28.3 in Height: 1100 mm / 43.3 in | Length 2189 mm / 86.2 in Height 1089 mm / 42.9 in | Length 2140 mm / 84.2 in Width 815 mm / 32.0 in Height 1130 mm / 44.4 om |
| Wheelbase: | 1345 mm / 53.0 in | 1491 mm / 58.7 in | 1518 mm / 59.7 in |
| Seat Height: | 805 mm / 31.7 in | 691 mm / 27.2 in | 815 mm / 32.0 in (OE suspension lowering kit: 770 mm, OE low seat: 790 mm, OA high seat: 835 mm, OA comfort seat: 840 mm, OE extra high seat: 865 mm) |
| Wet Weight: | 142 kg / 313 lbs | 185 kg / 408 lbs - ABS 187.7 kg / 414 lbs | 211 kg / 465 lbs |
| Fuel Capacity: | 14 L / 3.7 US gal | 11.4 Litres / 2.9 US gal | 13 Litres / 3.4 US gal |