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- ...tage: making rapid replacement of two gears that determine the final drive ratio (allowing a rapid adaptation to the circuit) and, simultaneously, put signi ...modifications and adjustments "pushes" as an increase in the [[compression ratio]] or the use of [[Biella (mechanical) | rods]] alloy.6 KB (916 words) - 11:24, 13 February 2009
- ...ftlbf torque. All these figures give the 1198 the highest torque-to-weight ratio of any production sport bike ever made. ! Bore x Stroke6 KB (788 words) - 11:15, 14 March 2009
- ...ari Dino#286 SP|286 SP]]. The latter had a 90 mm bore and 75 mm stroke for 2863 cc and 260 hp (194 kW). ...d a tiny 1.6 L (1593 cc) version of the 65° unit. Both bore and stroke were different from the earlier engine at 77x57 mm and output was impr14 KB (2,144 words) - 23:23, 21 September 2008
- ...with a 1987 cc capacity (long stroke, 72.6x80 mm, with a compression ratio of 13.5 :1) delivering 160hp, in 1951 and 1952 ...en with a 1989 cc capacity (short stroke 75x75 mm, with a compression ratio of 13.5 :1, with twin ignition) delivering 180hp, in late 19527 KB (1,025 words) - 19:27, 19 October 2009
- * [[Running (mechanical) | Stroke]]: 59 mm * [[Compression ratio]]: 8,4:13 KB (468 words) - 11:08, 15 June 2009
- *Bore x Stroke: 104 mm x 58.8 mm *Compression Ratio: 12.5:15 KB (742 words) - 18:22, 22 February 2009
- * [[Running (mechanical) | Stroke]]: 68 [[mm]] * Compression ratio: 9:14 KB (501 words) - 22:28, 23 September 2009
- |Engine || Liquid cooled,249 cc,2-stroke,90-degree V-Twin Aprilia RS250 is 2-stroke 249 cc [[sport bike]] made by Italian bike manufacturer,Aprilia.5 KB (795 words) - 16:45, 13 October 2009
- ...cylinder [[desmodromic valve|desmodromic]] air cooled [[L-twin]]<br>Bore x stroke: 88 mm × 57.2 mm / 88 mm × 57.2 mm<br> [[Compression ratio]]: 10.6:13 KB (311 words) - 23:30, 9 November 2010
- *Stroke 75.2 mm / 2.96 in *Compression Ratio 11.2:13 KB (309 words) - 10:39, 15 March 2010
- ...Engine displacement|displacement]], 55.2 mm ∅ x 52 mm, 6.8:1 [[Compression ratio|compression]], 25° forward inclined. Dell'Orto MB18BS carburetor. ...eloped 6.5 bhp at 6,500 rpm from its 55.2 x 52 mm engine. The compression ratio was 6.8:1 and an 18 mm Dell'Orto carburettor was used. Performance didn't6 KB (831 words) - 21:30, 9 November 2010
- | Stroke | Gear ratio5 KB (629 words) - 10:22, 6 December 2012
- [[Image:4-Stroke-Engine.gif|framed|right|[[Four-stroke cycle]] (or Otto cycle)]] ..., reciprocating internal combustion engines the fundamental theory for two-stroke engines was established by [[Nicolas Léonard Sadi Carnot|Sadi Carnot]] in22 KB (3,344 words) - 22:07, 11 August 2009
- * [[Running (mechanical) | Stroke]]: 59 [[mm]] * Compression ratio: 9,4:19 KB (1,217 words) - 22:27, 23 September 2009
- * Higher [[power-to-weight ratio]]s. ...piston of an engine of corresponding capacity, a rotor may perform many [[stroke (disambiguation)|strokes]] per revolution. The Wankel produces twelve strok10 KB (1,627 words) - 08:32, 2 October 2009
- * [[Running (mechanical) | Stroke]]: 68 [[mm]] * Compression ratio: 9,5:14 KB (615 words) - 22:30, 23 September 2009
- ...e]] with a centre main bearing support. The bore was 84.5 mm, and the stroke 56 mm. Valve actuation was by pushrods and rocker arms. That was the e *'''SPORT ENGINE''' - 4 Cylinder 1260 cc, Bore x Stroke 84.5 x 56 mm6 KB (964 words) - 09:00, 7 October 2009
- An engine's air/fuel ratio must be [[accuracy and precision|accurately]] controlled under all operatin ...mpromise is to run the rich cylinders "even richer" than the best air/fuel ratio, to provide enough fuel to the leaner cylinders. The net power output impro35 KB (5,222 words) - 08:19, 11 June 2009
- * [[Bore]] and [[race (mechanical) | Stroke]]: 68 mm x 75 mm * Compression ratio: 9,3:15 KB (619 words) - 22:26, 23 September 2009
- | Engine || Air cooled, four stroke, 90° two cylinder '[[L-twin]]', SOHC, 2 [[Desmodromic_valve|Desmodromic va *Bore x Stroke 88x66 mm4 KB (625 words) - 21:55, 9 November 2010