Kawasaki Z 800 Performance Edition (2015-16) vs Aprilia 125 Pegaso (1993-94) vs KTM 450 EXC (2007-08) vs KTM 390 Adventure X (2025)
Comparison technical specifications
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| Make: | Kawasaki | Aprilia | KTM | KTM |
| Model: | Z 800 Performance Edition | 125 Pegaso | 450 EXC | 390 Adventure X |
| Years: | 2015-16 | 1993-94 | 2007-08 | 2025 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder | Two stroke, single cylinder, reed valves | Four stroke, single cylinder, SOHC, 4 valves per cylinder | Four stroke, single cylinder, DOHC with finger followers, 4 valves |
| Capacity: | 806 cc / 49.1 cu-in | 124 cc / 7.6 cu in | 447.9 cc / 27.42 cu-in | 398.7 cc / 24.3 cu-in |
| Bore x Stroke: | 71 x 50.9 mm | 54 x 54.5mm | 89 x 72 mm | 89 x 64 mm |
| Compression Ratio: | 11.9:1 | 14.0:1 | 11.1:1 | 12.6:1 |
| Induction: | Fuel injection: 34 mm x 4 (Mikuni), with dual throttle valves | Ø34 mm Dell'Orto carburetor | Keihin MX FCR 39 carburetor | Bosch fuel injection, 46 mm throttle body |
| Starting: | Electric | Electric | Electric & kick | Electric |
| Lubrication: | Forced lubrication, wet sump | Dry sump, external oil pump | Pressure lubrication with 2 rotor pumps | Wet sump |
| Clutch: | Wet multi-disc, manual | Wet, cable operatied | Wet multi-disc clutch, operated hydraulically | PASC slipper clutch, mechanically operated |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain, X ring, 5.8 x 1/4" | Chain 520-X Ring |
| Frame: | Tubular backbone (with engine sub-frame), high-tensile steel | Steel double cradle | Central tube chrome-moly-steel frame | Steel trellis frame, powder coated, with bolt-on subframe |
| Front Suspension: | 41 mm inverted fork with rebound damping and spring preload adjustability, | Ø41 mm Inverted telescopic forks | WP 4860 MA upside-down fork | 43mm WP APEX 43, open cartridge, non-adjustable |
| Rear Suspension: | Bottom-Link Uni-Trak, gas-charged shock with piggyback reservoir and stepless rebound damping and preload adjustability, | Single chock preload adjustable | WP-PDS shock absorber, aluminium swingarm | WP APEX Emulsion |
| Rear Wheel Travel: | 137 mm / 5.3 in | 220 mm / 8.7 in | 335 mm / 13.2 in | 200 mm / 7.9 in |
| Front Brakes: | 2x semi-floating 310 mm discs 4 piston calipers | Single Ø300 mm disc, 2 piston caliper | Single 260 mm disc, floating caliper | Single 320 mm disc, Bybre axial calipers, two piston |
| Rear Brakes: | Single 220mm disc 1 piston caliper | Single Ø220 mm disc, 1 piston caliper | Single 220mm disc, floating caliper | Single 240 mm disc, Bybre floating 1 piston caliper |
| Front Tyre: | 120/70 ZR17 | 100/90-18 | 90/90 - 21 | 100/90 x R19 M/C 54T TL M+S |
| Rear Tyre: | 180/55ZR17 | 120/80-17 | 140/80 - 18 | 130/80 x R17 M/C 70T M+S |
| Fuel Capacity: | 17 Litres / 4.5 US gal | 14 Litres / 3.7 US gal | 9.0 L / 2.4 US gal / 2.0 Imp gal | 14 L / 3.7 US gal |