Suzuki GT550K (1972-73) vs Piaggio MP3 500 Sport / Sport Advanced (2021) vs Suzuki GSX 250FX (2002-03) vs KTM 990 Adventure S (2008)
Comparison technical specifications
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| Make: | Suzuki | Piaggio | Suzuki | KTM |
| Model: | GT550K | MP3 500 Sport / Sport Advanced | GSX 250FX | 990 Adventure S |
| Years: | 1972-73 | 2021 | 2002-03 | 2008 |
| Engine: | Two stroke, transverse three cylinder | Four stroke, Master HPE single cylinder, SOHC, 4 valves and roller tappets | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder | Four stroke, 75°V-twin cylinder, DOHC, 4 valves per cylinder |
| Capacity: | 543 cc / 33.1 cu in | 493 cc / 30.0 cu-in | 249 cc / 15.2 cu in | 999.8 cc / 60.9 cu-in |
| Bore x Stroke: | 61 x 62 mm | 94 x 71 mm | 49 x 33 mm | 101 x 62.4mm |
| Compression Ratio: | 6.8:1 | - | 12.5:1 | 11.5;1 |
| Induction: | 3 x 28mm Mikuni carburetors | Electronic injection system | 4 x 29 mm Mikuni carburetors | Keihin Electronic Fuel Injection EMS |
| Ignition: | Battery/coil with contact breakers | Electronic with inductive exhaust and variable advance integrated in the injection CPU. Closed loop system with Lambda probe for the exhaust. Electronic immobilizer, block of injection pump when the vehicle is tilted. Twin spark ignition. Dual map for throttle valve management (STD and ECO). Traction control (ASR) | Digital | Contactless, controlled, fully electronic ignition system with digital ignition timing adjustment |
| Starting: | Electric and kick | Electric | Electric | Electric |
| Max Power: | 40 kW / 53 hp @ 7500 rpm | 32 kW / 43.5 hp @ 7750 rpm | 29 kW / 40 hp @ 14000 rpm | 96.5 hp / 70.5 kW @ 8500 rpm |
| Frame: | Welded mild steel tubing | Double cradle in high strength tubular steel | Steel pipe double cradle | Tubular cromoly spaced frame. powered coated |
| Transmission: | 5 Speed, constant mesh | CVT continuously variable transmission with torque server (reverse gear on the Sport Advanced version) | 6 Speed constant mesh | 6 Speed |
| Final Drive: | Chain, endless 530 | Belt | Chain | Chain, X-Ring 5/8 x 5/16" |
| Front Suspension: | Telehydraulic fork | Articulated quadrilateral, electro-hydraulic suspension blocking system | 38mm Telescopic forks | 48mm WP USD forks |
| Rear Suspension: | Dual shocks swinging fork preload adjustable | Double hydraulic shock absorber with four position spring pre-load adjustment (double gas shock with continuous spring pre-load adjustment on the Sport and Sport Advanced versions) | Swinging arm, mono-shock | WP-PDS rear shock, hydraulic spring preload |
| Front Brakes: | Drum | 2x 258mm stainless steel discs, one disc brake per wheel, 2 piston caliper | Single 300 mm disc | 2x 300mm Brembo discs 2 piston calipers |
| Rear Brakes: | Drum | Single 240mm disc | Single 230 mm disc | Single 240mm Brembo disc 1 piston caliper |
| Front Tyre: | 3.25-19 | 2x 120/70 -13 | 110/70 -17 54H | 90/90 -21 |
| Rear Tyre: | 4.00-18 | 140/70 -14 | 140/70 -17 66H | 150/70 -R18 |
| Wheelbase: | 1465 mm / 57.7 in | 1540 mm / 60.6 in | 1400 mm / 55.1 in | 1570 mm / 61.8 in |
| Fuel Capacity: | 12.5 Litres / 3.3 US gal / 2.7 Imp gal | 13.2 Litres / 3.48 US gal | 14 Litres / 3.7 US gal / 3.1 Imp gal | 22 Litres / 5.8 gal |