Kawasaki KLX 125 (2014-) vs BMW R 100RT (1978-80)
Comparison technical specifications
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| Make: | Kawasaki | BMW |
| Model: | KLX 125 | R 100RT |
| Years: | 2014- | 1978-80 |
| Engine: | Four stroke, single cylinder, SOHC, 2 valve | Four stroke, two cylinder horizontally opposed Boxer, 2 valves per cylinder |
| Capacity: | 124 cc / 7.6 cu-in | 980 cc / 59.8 cub in. |
| Bore x Stroke: | 54.0 x 54.4 mm | 94 x 70.6 mm |
| Cooling System: | Air cooled | Air cooled |
| Lubrication: | Forced lubrication, wet sump | Wet sump |
| Compression Ratio: | 9.5:1 | 9.5:1 |
| Induction: | Fuel injection: ø20 mm x 1 Keihin | 2 x Constant depression carburettors, Bing 94/40/105 - 94/40/106 |
| Ignition: | Digital DC-CDI | Battery ignition |
| Starting: | Electric | Electric |
| Max Power: | 10.3 hp / 7.6 kW @ 8000 rpm | 51 kW / 70 hp @ 7000 rpm |
| Max Torque: | 10.0 Nm / 7.3 lb-ft @ 6400 rpm | 76 Nm / 7.7 kgf-m / 56 ft-lb @ 6000 rpm |
| Clutch: | Wet mDouble disk, manual | Dry single plate, with diaphragm spring |
| Transmission: | 5 Speed | 5 Speed |
| Final Drive: | Chain | Shaft |
| Gear Ratio: | 1st 2.917 (35/12) 2nd 2.000 (32/16) 3rd 1.474 (28/19) 4th 1.182 (26/22) 5th 1.000 (24/24) | 1st 4.4 / 2nd 2.86 / 3rd 2.07 / 4th 1.67 / 5th 1.50 : 1 |
| Frame: | Perimeter, steel | Double sown tubs, dual cradle |
| Front Suspension: | 33 mm telescopic fork | Telescopic fork with hydraulic shock absorber. |
| Rear Suspension: | New Uni-Trak | Long swinging arm with adjustable strut. |
| Front Brakes: | Single 240mm disc 2 piston caliper | 2 x ∅260mm discs 2 piston calipers |
| Rear Brakes: | Single 190mm disc 1 piston caliper | Simplex ∅200 mm drum |
| Front Tyre: | 70/100-19 | 3.25 H-19 |
| Rear Tyre: | 90/100-16 | 4.00 H-18 |
| Wheelbase: | 1285 mm / 50.6 in | 1465 mm / 57.67 in |
| Seat Height: | 830 mm / 32.6 in | 820 mm / 32.3 in |
| Fuel Capacity: | 7.0 Litres / 1.9 US gal | 24 Litres / 6.3 US gal |