Kawasaki GTO 125 (1990-) vs Kawasaki H2 750 Mach IV (1975) vs Kawasaki KDX 250R (1990-92) vs Kawasaki KL 250 Super Sherpa (2003-06) vs Kawasaki GTR1000 / ZG 1000 Concours (1990-93)
Comparison technical specifications
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| Make: | Kawasaki | Kawasaki | Kawasaki | Kawasaki | Kawasaki |
| Model: | GTO 125 | H2 750 Mach IV | KDX 250R | KL 250 Super Sherpa | GTR1000 / ZG 1000 Concours |
| Years: | 1990- | 1975 | 1990-92 | 2003-06 | 1990-93 |
| Engine: | Two stroke, single cylinder, rotary valves | Two stroke, transverse three cylinder | Two stroke, single cylinder, reed valve | Four stroke, single cylinder, DOHC, 4 valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 123 cc / 7.6 cu-in | 748 cc / 45.6 cu-in | 249 cc / 15.2 cu-in | 249 cc / 15.2 cu-in | 997 cc / 60.8 cu-in |
| Bore x Stroke: | 55.0 x 51.8 mm | 71 х 63 mm | 67.4 х 70 mm | 71 x 34.2 mm | 74 x 58 mm |
| Cooling System: | Air cooled | Air cooled | Liquid cooled | Air cooled | Liquid cooled |
| Compression Ratio: | 7.2:1 | 7.1:1 | 10.2:1 | 9.3:1 | 10.2:1 |
| Induction: | Mikuni RM 22 SC | 3 x 30mm Mikuni VM30SC carburetors | KEIHIN PWK-38. carburetor | Mikuni BST34 carburetor | 4 x 32mm Keihin CV carburetors |
| Ignition: | Electronic CDI | CDI | CDI | Digital CDI | Electronic |
| Starting: | Kick | Kick | Electric | Elctric | Electric |
| Max Power: | 17 hp / 12.8 kW @ | 74 hp / 55.1 kW @ 6800 rpm | 40 hp / 29.8 kW @ 7000 rpm | 30 hp / 22.3 kW @ 8500 rpm ( rear tyre 23.5 hp @ 8200 rpm ) | 110 hp / 85 kW @ 9500 rpm (ZG 1100 - 97 hp / 72.3 kW @ 7000 rpm) |
| Max Torque: | NA | 77.4 Nm / 7.9 kgf-m @ 6500 rpm | 4.1 kgf-m @ 6500 rpm | 2.6 kgf-m / 18.8 lb-ft @ 7500 rpm | 10 kgf-m @ 6500 rpm |
| Front Suspension: | Telescopic forks | Telescopic forks non adjustable | 43mm conventional cartridge fork | 36mm Telescopic forks, | 41mm Telescopic, air-assisted adjustable preload |
| Rear Suspension: | Swinging arm | Dual shocks preload adjustable | UNI-TRAK® single-shock system | Uni- track/truck and swing arm | UNI-TRAK with adjustable preload, rebound damping and air pressure |
| Front Brakes: | Drum | Single 295mm disc | Single 250mm disc 2 piston caliper | Single 250mm disc 2 piston caliper | 2x 272mm discs 1 piston caliper |
| Rear Brakes: | Drum | 203mm drum | Single 230mm disc 1 piston caliper | Single 200mm disc 1 piston caliper | Single 280mm disc 1 piston caliper |
| Front Tyre: | 2.50 -18 | 8.25-19 | 80/100-21 | 7.75-21 | 110/80 VR18 |
| Rear Tyre: | 2.75 -18 | 4.00-18 | 110/100-18 | 4.10-18 | 130/80 VR16 |
| Dry Weight: | 95 kg / 209.4 lbs | 192 kg / 423.2 lbs | 107 kg / 296 lbs | 111 kg / 244.7 lbs | 270 kg / 595 lbs |
| Fuel Capacity: | 13.5 Litres / 3.5 US gal | 16.7 Litres / 4.4 US gal | 12.5 Litres / 3.3 US gal | 9 Litres / 2.3 US gal | 28.5 Litres / 7.5 US gal |