Yamaha TT 600 (1983-84) vs Suzuki VZ 800 Marauder (1997-99) vs Derbi Mulhacén 125 (2007-) vs KTM 390 Adventure X (2025)
Comparison technical specifications
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| Make: | Yamaha | Suzuki | Derbi | KTM |
| Model: | TT 600 | VZ 800 Marauder | Mulhacén 125 | 390 Adventure X |
| Years: | 1983-84 | 1997-99 | 2007- | 2025 |
| Engine: | Four stroke, single cylinder, SOHC, 4 Valve | Four stroke, 45°V-twin, SOHC, 4 valves per cylinder | Two stroke, single cylinder | Four stroke, single cylinder, DOHC with finger followers, 4 valves |
| Capacity: | 595 cc / 36.5 cu-in | 805 cc / 49.1 cu in | 124.7 cc / 7.6 cu-in | 398.7 cc / 24.3 cu-in |
| Bore x Stroke: | 95 x 84 mm | 83 x 74.4 mm | 56 x 50 mm | 89 x 64 mm |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Liquid Cooled |
| Compression Ratio: | 8.5:1 | 10.0:1 | 12.5:1 | 12.6:1 |
| Induction: | 27mm Dual stage Teikei Y27PVX1 carburetor | Mikuni BDS36 carburetor | 28mm Mikuni | Bosch fuel injection, 46 mm throttle body |
| Starting: | Kick | Electric | Electric | Electric |
| Max Power: | 45 hp / 34 kW @ 6500 rpm | 36.4 kW / 50 hp @ 6500 rpm | 11 kW 15 hp @ 8250 rpm | 33 kW / 44.3 hp @ 8500 rpm |
| Max Torque: | 50 Nm / 4.7 kgf-m @ 5500 rpm | 65 Nm / 6.63 kgf-m / 47.9 ft.lb @ 5000 rpm | 13.5 Nm @ 77500 rpm | 39 Nm / 28.7 lb-ft @ 7000 rpm |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Chain | Chain | Chain 520-X Ring |
| Front Suspension: | 43mm Telescopic forks | Inverted telescopic, coil spring, oil-damped | 37mm Telescopic forks 100mm wheel travel | 43mm WP APEX 43, open cartridge, non-adjustable |
| Rear Suspension: | Monocross single shock 20-way compression, reload and rebound adjustment. | Swingarm, oil-damped, 5-way adjustable spring preload | Monoshock 130mm wheel travel | WP APEX Emulsion |
| Front Brakes: | Drum | Single Ø310 mm discs, 2 piston caliper | Single 280mm disc | Single 320 mm disc, Bybre axial calipers, two piston |
| Rear Brakes: | Drum | Single drum | Single 220mm disc | Single 240 mm disc, Bybre floating 1 piston caliper |
| Front Tyre: | 100/80-21 | 130/90-16 | 100/90 -18 | 100/90 x R19 M/C 54T TL M+S |
| Rear Tyre: | 140/90-18 | 150/90-15 | 130/80 -17 | 130/80 x R17 M/C 70T M+S |
| Fuel Capacity: | 11 liters / 2.9 US gal | 19 L / 5.0 US gal / 4.2 Imp gal | 11 Litres / 2.9 US gal | 14 L / 3.7 US gal |