KTM 690 Duke R (2010) vs Suzuki GSX 600F Katana (1998-99) vs Suzuki GSX 400F Impulse (2004-07) vs Suzuki RG 250 TV Wolf (1990)
Comparison technical specifications
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| Make: | KTM | Suzuki | Suzuki | Suzuki |
| Model: | 690 Duke R | GSX 600F Katana | GSX 400F Impulse | RG 250 TV Wolf |
| Years: | 2010 | 1998-99 | 2004-07 | 1990 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, in-line 4 cylinders, DOHC, 4 valves per cylinder | Two stroke, V- twin |
| Capacity: | 690 cc / 42.1 cu in | 599 cc / 36.6 cu.in | 399 cc / 24.3 cu in | 249 cc / 15.2 cu in |
| Bore x Stroke: | 102 x 84.5 mm | 62.6 x 48.7 mm | 52 x 47 mm | 56 x 50.6 mm |
| Cooling System: | Liquid Cooled | Air/oil cooled | Liquid cooled | Liquid cooled |
| Compression Ratio: | 12.5:1 | 11.3:1 | 11.8:1 | 7.5 :1 |
| Induction: | Generation Keihin EMS with EPT (Electric Power Throttle) | 4 x Mikuni BSR32SS carburetors | 4 x 29 mm Carburetors | 2 x Mikuni VM32SS carburetors |
| Starting: | Electric | Electric | Electric | Kick |
| Max Power: | 52.2 kW / 70 hp @ 7500 rpm | 64 kW / 86 hp @ 11000 rpm | 44 kW / 59 hp @ 12000 rpm | 35.7 kW / 49 hp @ 9500 rpm |
| Max Torque: | 69.8 Nm / 7.1 kgf-m / 51.6 ft-lb @ 6550 rpm | 59.8 Nm / 6.1 kgf-m / 44.1 ft-lb @ 7950 rpm | 37 Nm / 3.8 kgf-m / 27.3 lb-ft @ 10500 rpm | 40 Nm / 4.1 kgf-m / 29.5 lb-ft @ 8000 rpm |
| Transmission: | 6 Speed | 6 Speed | 6 Speed | 6 Speed, constant mesh |
| Final Drive: | Chain X-Ring 5/8 x 5/16" | Chain, 118 links | Chain | Chain, DID520V2, 114 links |
| Front Suspension: | WP Upside-down forks, 4860 ROMA | 41 mm Conventional telescopic, coil spring, oil damped, fully adjustable rebound damping | Telescopic forks | Telescopic fork, 5-way adjustable with anti-dive, oil dampened |
| Rear Suspension: | WP monoshock, 4618 with Pro-lever deflector | Swingarm, progressive linkage, 4-step rebound dampened, 7-step spring preload | Dual shocks, preload adjustable. | Full Floater, mono-shock, gas/oil damped, 7-way adjustable |
| Front Brakes: | Single 320 mm floating disc, radially screwed four-piston brake caliper | 2 x 290mm Discs, 2 piston caliper | 2 x 290 mm Discs, 2 piston calipers | 2 x 300 mm Discs ,4 piston calipers |
| Rear Brakes: | Single 240 mm floating disc, single piston caliper | Single 240 mm disc, 2 piston caliper | Single disc, 1 piston caliper | Single 210 mm disc, 2 piston caliper |
| Front Tyre: | 120/70 - R17 | 110/80 ZR17 | 110/80-17 | 110/70-17 |
| Rear Tyre: | 160/60 - R17 | 140/80 ZR17 | 130/80-17 | 14060-18 |
| Seat Height: | 865 mm / 34 in | 785 mm / 30.9 in | 760 mm / 29.9 in | 755 mm / 29.7 in |
| Dry Weight: | 148.5 kg / 327 in | 200 kg / 441 lbs | 153 kg / 337 lbs | 128 kg / 282 lbs |
| Fuel Capacity: | 13.5 Litres / 3.6 US gal / 3.0 Imp gal | 20 Litres / 5.2 US gal / 4.4 Imp gal | 18 Litres / 4.8 US gal / 4.0 Imp gal | 17 Litres / 4.5 US gal / 3.7 Imp gal |