Suzuki GT550K (1972-73) vs Suzuki DR 350SE (1998) vs Suzuki GSX-R 400R SP II (1990) vs Suzuki GSX-R 750 (1990)
Comparison technical specifications
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| Make: | Suzuki | Suzuki | Suzuki | Suzuki |
| Model: | GT550K | DR 350SE | GSX-R 400R SP II | GSX-R 750 |
| Years: | 1972-73 | 1998 | 1990 | 1990 |
| Engine: | Two stroke, transverse three cylinder | Four stroke, single cylinder, SOHC, 4 valves | Four stroke, transverse four cylinder, DOHC 4 valves per cylinder. TSCC | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. |
| Capacity: | 543 cc / 33.1 cu in | 349 cc / 21.3 cu in | 398 cc / 24.3 cu-in | 749 cc / 45.7 cub. in. |
| Bore x Stroke: | 61 x 62 mm | 79 x 71.2 mm | 56 x 40.4 mm | 70 x 48.7 mm |
| Compression Ratio: | 6.8:1 | 9.5:1 | 11.8:1 | 10.8:1 |
| Induction: | 3 x 28mm Mikuni carburetors | Mikuni BST33 carburettor | Slingshot carburetors | 4 x 38 mm Mikuni constant-vacuum carburetors |
| Ignition: | Battery/coil with contact breakers | Digital CDI | CDI | Computer controlled electronic ignition |
| Starting: | Electric and kick | Electric | Electric | Electric |
| Max Power: | 40 kW / 53 hp @ 7500 rpm | 21.9 kW / 30 hp @ 7600 rpm (rear tyre 20.1 kW / 27 hp @ 7600 rpm ) | 44 kW / 59 hp @ 11000 rpm | 83.8 kW / 115 hp @ 11000 rpm |
| Max Torque: | 53 Nm / 5.4 kgf-m / 38.8 ft-lb @ 6000 rpm | 29 Nm / 3.0 kgf-m / 21.4 lb-ft @ 6200 rpm | 39.2 Nm / 4.0 kgf-m / 28.9 lb-ft @ 9000 rpm | 78 Nm / 7.9 kgf-m / 57.5 ft-lb @ 10000 rpm |
| Frame: | Welded mild steel tubing | Diamond steel | Aluminum angular pipe double cradle | Lightweight aluminium alloy frame incorporated 45mm box tube main section and cast swing arm pivot |
| Transmission: | 5 Speed, constant mesh | 6 Speed | 6 Speed, constant mesh | 6 Speed, constant mesh |
| Final Drive: | Chain, endless 530 | Chain | Chain | #530 Chain, O-ring sealed, 108 links |
| Front Suspension: | Telehydraulic fork | Telescopic, cartridge-type, 13-way adjustable compression damping and 17-way adjustable rebound damping | Telescopic forks | 41 mm Upside-down telescopic fork, adjustable spring preload, 8-way damping, 10-way compression |
| Rear Suspension: | Dual shocks swinging fork preload adjustable | Link-type, fully adjustable spring preload, compression and rebound damping | Full floater swing arm, non-adjustable | Full-floater Monoshock 4-way adjustable for preload rebound damping |
| Front Brakes: | Drum | Single 250 mm disc, 2 piston caliper | 2 x Discs, 4 piston calipers | 2 x 310 mm Discs, 4 piston calipers |
| Rear Brakes: | Drum | Single 220 mm disc, single piston caliper | Single disc, 2 piston caliper | Single 280 mm disc, 1 piston caliper |
| Front Tyre: | 3.25-19 | 80/100-21 | 110/70-R17 53H | 120/70 ZR17 |
| Rear Tyre: | 4.00-18 | 110/90-18 | 140/60-R18 64H | 170/60 ZR17 |
| Dry Weight: | 200 kg / 441 lbs | 130 kg / 287 lbs | 160 kg / 352 lbs | 193 kg / 425 lbs |
| Fuel Capacity: | 12.5 Litres / 3.3 US gal / 2.7 Imp gal | 9 Litres / 2.4 US gal / 2.0 Imp gal | 15 Litres / 3.96 US gal / 3.3 Imp gal | 21 Litres / 5.5 US gal / 4.6 Imp gal |