Suzuki GSX 1100F Katana (1991-92) vs Buell / EBR Buell XB12R Firebolt (2006) vs KTM 690 Duke (2011) vs Derbi GPR 125 (2007-10)
Comparison technical specifications
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| Make: | Suzuki | Buell / EBR | KTM | Derbi |
| Model: | GSX 1100F Katana | Buell XB12R Firebolt | 690 Duke | GPR 125 |
| Years: | 1991-92 | 2006 | 2011 | 2007-10 |
| Engine: | Four stroke, transverse four cylinder, DOHC, 4 valve per cylinder. | 45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder. | Four stroke, single cylinder, SOHC, 4 valves | Two stroke, single cylinder |
| Capacity: | 1127 cc / 68.7 cu-in | 1203 cc / 73 cu in | 653.7 cc / 39.91 cu in | 124.7 cc / 7.6 cu-in |
| Bore x Stroke: | 78 x 59 mm | 88.9 x 96.8 mm | 102 x 80 mm | 56 x 50 mm |
| Cooling System: | Air/oil cooled | Air cooled | Liquid Cooled | Liquid cooled |
| Compression Ratio: | 10.0:1 | 10.0:1 | 11.8:1 | 12.5:1 |
| Induction: | 4 x 34mm Mikuni CV carburetors | Ø49 mm downdraft DDFI II fuel injection | Generation Keihin EMS with EPT (Electric Power Throttle) | 28mm Mikuni |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 99.1 kW / 136 hp @ 10000 rpm | 86.9 kW / 103 hp @ 6800 rpm | 46 kW / 65 hp @ 7500 rpm | 11 kW 15 hp @ 8250 rpm |
| Max Torque: | 112 Nm / 11.4 kgf-m / 82.6 lb-ft @ 7000 rpm | 114 Nm / 11.6 kgf-m / 84 ft-lbs @ 6000 rpm | 65 Nm / 6.6 kgf-m / 47.9 ft-lb @ 6550 rpm | 13.5 Nm @ 77500 rpm |
| Transmission: | 5 Speed | 5 Speed | 6 Speed | 6 Speed |
| Final Drive: | Chain | Belt | Chain X-Ring 5/8 x 5/16" | Chain |
| Front Suspension: | Telescopic, oil damped, spring preload fully adjustable | Showa Ø41 mm inverted forks compression damping, rebound damping and spring preload adjustable | WP Upside-down forks, 4860 ROMA | 40mm Fourche USD hydraulic forks, 120mm wheel travel |
| Rear Suspension: | Full Floater rising-rate monoshock, 5-way preload and 4 way damping adjustable | Showa coil-over monoshock, remote underseat reservoir and adjustable compression damping, rebound damping and spring preload, 127mm wheel travel | WP monoshock, 4618 with Pro-lever deflector | Monoshock, 110mm wheel travel |
| Front Brakes: | 2 x 275 mm Discs ,2 piston calipers | ZTL type brake, 6 piston, fixed caliper, Ø375 mm single-sided, inside out, stainless steel, floating rotor | Single 320 mm floating disc, radially screwed four-piston brake caliper | Single 300mm disc 4 piston caliper |
| Rear Brakes: | Single 275 mm disc, 2 piston caliper | Single Ø240 mm disc, 1 piston floating caliper | Single 240 mm floating disc, single piston caliper | Single 180mm disc 2 piston caliper |
| Front Tyre: | 120/80 V16 | 120/70 ZR17 | 120/70 - R17 | 110/70 -17 |
| Rear Tyre: | 150/80 V16 | 180/55 ZR17 | 160/60 - R17 | 140/70 -17 |
| Dry Weight: | 244 kg / 537.9 lbs | 179 kg / 395 lbs | 148.5 kg / 327 in | 123 kg / 271 lbs |
| Fuel Capacity: | 21 Litres / 5.3 US gal / 4.6 Imp gal | 14 L / 3.7 US gal | 13.5 Litres / 3.6 US gal / 3.0 Imp gal | 13 Litres / 3.4 US gal |