BMW R 12 S (2025) vs Kawasaki KLX 230 (2020)
Comparison technical specifications
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| Make: | BMW | Kawasaki |
| Model: | R 12 S | KLX 230 |
| Years: | 2025 | 2020 |
| Engine: | Four stroke, two cylinder horizontally opposed Boxer, two camshafts and four radially aligned valves per cylinder, central counter balancer shaft. | Four stroke, single cylinder, SOHC, 2 valves |
| Capacity: | 1170 cc / 71.4 cub in | 233 cc / 14.2 cu-in |
| Bore x Stroke: | 101 x 73 mm | 67 x 66 mm |
| Compression Ratio: | 12:1 | 9.4:1 |
| Cooling System: | Air/oil cooled | Air cooled |
| Lubrication: | Wet sump | Forced lubrication (wet sump) |
| Induction: | Electronic intake pipe injection / digital engine management system: BMS-O with throttle-by-wire | DFI with 32mm throttle body |
| Starting: | Electric | Electric |
| Max Power: | 81 kW / 109 hp @ 7000 rpm | NA |
| Max Torque: | 115 Nm / 81 lb-ft @ 6500 rpm | NA |
| Clutch: | Single dry plate clutch, hydraulically operated | Wet multi-disc, manual |
| Transmission: | 6-speed, claw-shifted transmission with separate transmission housing | 6 Speed |
| Gear Ratio: | 1st = 2.375, 2nd = 1.696, 3rd = 1.296, 4th = 1.065, 5th = 0.939, 6th = 0.848 | 1st 3.000 (39/13) / 2nd 2.067 (31/15) / 3rd 1.556 (28/18) / 4th 1.261 (29/23) / 5th 1.040 (26/25) / 6th 0.852 (23/27) |
| Final Drive: | Shaft | Sealed chain |
| Frame: | Four-part frame concept with front frame and three-part rear frame, load-bearing engine-gearbox unit, rear-seat frame removeable for one-up riding | Perimeter, high-tensile steel |
| Front Suspension: | Upside-down 45 mm forks, compression, rebound and spring preload adjustable; | 37 mm telescopic fork |
| Front Wheel Travel: | 120 mm / 4.7 in | 220 mm / 8.6 in |
| Rear Suspension: | Cast aluminium single swinging arm with BMW Motorrad Paralever; central spring strut, spring preload fully adjustable by hook wrench, adjustable rebound-stage damping | Uni Trak with adjustable preload |
| Rear Wheel Travel: | 120 mm / 4.7 in | 223 mm / 8.7 in |
| Front Brakes: | Twin disc brake, floating brake discs, diameter 310 mm, 4-piston Monobloc radial brake caliper | Single 265mm petal disc 2 piston caliper |
| Rear Brakes: | Single 265 mm disc, 2 piston floating caliper | Single 223mm petal disc 1 piston caliper |
| Front Tyre: | 120/70 - ZR17 | 2.75-21 45P |
| Rear Tyre: | 180/55 - ZR17 | 4.10-18 59P |
| Rake: | 27.7 ? | 27.3° |
| Trail: | 112 mm / 4.4 in | 116mm / 4.5 in |
| Dimensions: | Length 2131 mm / 83.9 in Width 871 mm / 34.3 in | Length 2105 mm / 82.8 in Width 835 mm / 32.8 in Height 1165 mm / 45.6in |
| Wheelbase: | 1511 mm / 59.5 in | 1380 mm / 54.3 in |
| Seat Height: | 795 mm / 31.3 in | 885 mm / 34.8 in |
| Wet Weight: | 220 kg / 485 lbs | 134 kg / 295.4 lbs |
| Fuel Capacity: | 15.9 Litres / 4.2 US gal | 7.5 Litres / 1.6 US gal |