KTM 690 Duke R (2011) vs Yamaha YZF 1000 R1M (2015) vs Buell / EBR Buell XB12R Firebolt (2007) vs Sunbeam B2 (1958-65)
Comparison technical specifications
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| Make: | KTM | Yamaha | Buell / EBR | Sunbeam |
| Model: | 690 Duke R | YZF 1000 R1M | Buell XB12R Firebolt | B2 |
| Years: | 2011 | 2015 | 2007 | 1958-65 |
| Engine: | Four stroke, single cylinder, SOHC, 4 valves | Four stroke, transverse four cylinder, DOHC, 4 valves per cylinder. | 45° V-Twin, four stroke, pushrod actuated overhead valve. hydraulic self-adjusting lifters, 2 valve per cylinder. | Single cylinder, two-stroke |
| Capacity: | 690 cc / 42.1 cu in | 998 cc / 60.9 cu-in | 1203 cc / 73 cu in | 175 cc / 10.7 cu in |
| Bore x Stroke: | 102 x 84.5 mm | 79.0 x 50.9 mm | 88.9 x 96.8 mm | 61.5 x 58 mm |
| Cooling System: | Liquid Cooled | Liquid cooled | Air cooled | Forced air cooled |
| Starting: | Electric | Electric | Electric | Electric |
| Max Power: | 52.2 kW / 70 hp @ 7500 rpm | 147.1 kW / 200.0 PS @ 13500 rpm | 86.9 kW / 103 hp @ 6800 rpm | 5.6 kW / 7.5 hp |
| Transmission: | 6 Speed | 6-speed w/multiplate slipper clutch | 5 Speed | Four speed |
| Final Drive: | Chain X-Ring 5/8 x 5/16" | "O" ring chain | Belt | Enclosed chain in oil bath |
| Front Brakes: | Single 320 mm floating disc, radially screwed four-piston brake caliper | 2x 320mm discs 4 piston calipers, UBS ABS | ZTL type brake, 6 piston, fixed caliper, Ø375 mm single-sided, inside out, stainless steel, floating rotor | Drum, 127 mm diameter |
| Rear Brakes: | Single 240 mm floating disc, single piston caliper | Single 220mm disc 1 piston caliper, UBS ABS | Single Ø240 mm disc, 1 piston floating caliper | Drum, 127 mm diameter |
| Ground Clearance: | 155 mm / 6.1 in | 135mm / 5.3 in | 127 mm / 5.0" | 127 mm / 5.0" |
| Fuel Capacity: | 13.5 Litres / 3.6 US gal / 3.0 Imp gal | 17 Liters / 4.5 gal | 14 L / 3.7 US gal | 8 L / 1.8 Imp gal / 2.1 US gal |