Buell / EBR Buell RS1200/5 Westwind (1989) vs Buell / EBR Buell 1125R (2010) vs Yamaha YZF 1000R Thunder ace (2000) vs Suzuki GSX 750S Katana (1982) vs Derbi Senda SM 125 4T (2004-07)
Comparison technical specifications
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| Make: | Buell / EBR | Buell / EBR | Yamaha | Suzuki | Derbi |
| Model: | Buell RS1200/5 Westwind | Buell 1125R | YZF 1000R Thunder ace | GSX 750S Katana | Senda SM 125 4T |
| Years: | 1989 | 2010 | 2000 | 1982 | 2004-07 |
| Engine: | 45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder. | Four stroke, 72° V-Twin | Four stroke, transverse four cylinder, DOHC, 5 valves per cylinder | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | Four stroke, single cylinder. OHC |
| Capacity: | 1198 cc / 73.1 cu in | 1125 cc / 68.7 cu in | 1002 cc / 61.1 cu-in | 747 cc / 45.5 cu-in | 124 cc / 7.6 cu-in |
| Bore x Stroke: | 88.9 x 98.8 mm | 103 x 67.5 mm | 75.5 x 56 mm | 67 x 53 mm | 56 x 49 mm |
| Compression Ratio: | 9.0:1 | 12.3:1 | 11.5:1 | 9.4:1 | 11.0:1 |
| Cooling System: | Air cooled | Liquid cooled | Liquid cooled | Air cooled | Air cooled |
| Induction: | Ø40 mm Keihin carburetor | Dual Ø61 mm downdraft throttle Bbodies, DDFI III Fuel Injection System | 4x 38mm Mikuni BDSR38 with TPS carbs | 4 x 32 mm Mikuni RS32SS carburetors. | 22mm Keihin |
| Starting: | Electric | Electric | Electric | Electric | Electric |
| Max Power: | 44.7 kW / 60 hp @ 5000 rpm | 109 kW / 146 hp @ 9800 rpm | 145 hp / 106.7kW @ 10000 rpm | 62.6 kW / 84 hp @ 9500 rpm | 9 kW / 12 hp @ 6500 rpm |
| Final Drive: | Chain | Belt | Chain | Chain Daido D.I.D 630V, 96 links | Chain |
| Front Suspension: | Marzocchi telescopic forks, anti-dive system | Ø47 mm Showa inverted forks, adjustable compression damping. rebound damping and spring preload. | 45mm forks, adjustable preload, bump and rebound. | Telescopic, preload adjustable and hydraulic anti-dive. | 41mm Paoli forks |
| Rear Suspension: | Single shock, horizontally below engine | 127 mm / 5.0" | Mono shock adjustable preload, bump and rebound. | Dual shocks, 5-way preload and 4-way rebound damping adjustable. | Paoli monoshock |
| Front Brakes: | 2 x Discs, 4 piston calipers | ZTL type brake, 6-piston, fixed caliper, Ø375 mm single-sided, inside out, stainless steel, floating rotor | 2x 298mm discs 4 piston calipers | 2 x 275mm Discs, 2 piston calipers | Single 300mm disc |
| Rear Brakes: | Single disc | Single Ø240 mm disc, 2 piston floating caliper | Single 245mm disc 2 piston caliper | Single 255 mm disc, 1 piston caliper | Single 220mm disc |
| Front Tyre: | 120/60 VB17 | 120/70 ZR17, Pirelli Diablo Corsa III | 120/70 ZR17 | 3.25 H19 | 110/80 -17 |
| Rear Tyre: | 170/70 VB17 | 180/55 ZR17, Pirelli Diablo Corsa III | 180/55 ZR17 | 4.00 H18 | 130/70 -17 |
| Dry Weight: | 215 kg / 474 lbs | 170 kg / 375 lbs | 198 kg / 436.5 lbs | 228 kg / 503 lbs | 116 kg / 255.7 lbs |
| Fuel Capacity: | 13.5 L / 3.6 US gal | 21.2 L / 5.6 US gal | 19 Litres / 5.0 gal | 22 Litres / 5.8 US gal / 4.8 Imp gal | 7.5 Litres / 2.0 US gal |