Kawasaki S1 250SS MKI (1972-73) vs Kawasaki Z125 (2019)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki |
| Model: | S1 250SS MKI | Z125 |
| Years: | 1972-73 | 2019 |
| Engine: | Two stroke, transverse three cylinder, | Four stroke, single cylinder, DOCH, 4 valve |
| Capacity: | 249 cc / 15.2 cu-in | 125 cc / 7.6 cu in |
| Bore x Stroke: | 45 x 52.3mm | 58.0 x 47.2mm |
| Cooling System: | Air cooled | Air cooled |
| Compression Ratio: | 7,3:1 | 11.7:1 |
| Induction: | 3x Mikuni VM22SC, Ø 22 mm carburetor | Fuel injection (ø28 x 1) |
| Ignition: | Battery and coil | B&C (TCBI, B. P&EL. ADV.) |
| Starting: | Kick | Electric |
| Max Power: | 32 hp / 23.8 kW @ 8 500 rpm | 11.0 kW / 14.8 hp @ 10,000 rpm |
| Max Torque: | 2.54 m-kg / 18.3 lb-ft @ 7 000 rpm | 11.7 Nm / 8.6 lb-ft @ 7,700 rpm |
| Transmission: | 5 Speed | 6 Speed, return shift |
| Final Drive: | Chain | Chain |
| Front Suspension: | Telescopic hydraulic forks | 37mm Telescopic Fork |
| Rear Suspension: | Dual shocks, Swing arm | Uni Track Swingarm |
| Front Brakes: | 180mm Drum | Single 290mm Disc, Dual Piston Calipers |
| Rear Brakes: | 180mm Drum | Single 220mm Disc |
| Front Tyre: | 3.00 -18 | 100/80-17M/C 52S |
| Rear Tyre: | 3.25 -18 | 130/70-17M/C 62S |
| Rake: | 28° | 23.1° |
| Trail: | 110 mm / 4.3 in | 90mm / 3.9 in |
| Dimensions: | Length 2020 mm / 79.5 in Width 820 mm / 32.3 in | Length 1935 mm / 76.2 in Width 740 mm / 29.1 in Height 1015 mm / 40 in |
| Wheelbase: | 1585 mm / 62.4 in | 1330 mm / 52.4 in |
| Ground Clearance: | 175 mm / 6.9 in | 185 mm / 7.3 in |
| Wet Weight: | 160 kg / 348 lbs | 146 kg / 322 lbs |
| Fuel Capacity: | 15 Litres / 3.9 US gal | 11 Litres / 2.9 US gal |