Two-stroke

Timeframe

  1. Month
  1. MotoGP Rule Changes: 250GP is History

    LOUD3R Score: 1275 - Jun 29, 2008

    Posted on 06.29.2008 08:10 by Holly McBain Filed under: | Moto GP | industry news Today, the Federation Internationale de Motocyclisme (FIM) announced the end of the 250GP class. The sanctioning body unanimously... Full Article At Top Speed - motorcycles

  2. Victory For Guillaume & Bourgeois At WEC GP Of Poland

    LOUD3R Score: 1093 - Jun 16, 2008

    Victory For Guillaume & Bourgeois At WEC GP Of Poland CH Racing Husqvarna riders Seb Guillaume and Marc Bourgeois ensured that ... Full Article At Dirt Rider

  3. New Aprilia 125s

    LOUD3R Score: 745 - Jun 16, 2008

    Aprilia SX125 The SX and RX 125 are the latest on/off-road machines from Aprilia, sharing a 125cc Two-stroke single cylinder engine that meets Euro3... Full Article At Fast Bikes

  4. Yamaha RD-engined Cagiva Mito 350(.)

    LOUD3R Score: 1045 - Jul 1, 2008

    A 62bhp Mito is indeed what Cagiva should be building themselves Pics: PB mag forumFound this Cagiva Mito on the PB mag forum. The webpage doesn’t say anything about which ... Full Article At Wikio - Blogs

  5. Honda Motocompo Fits In Your Tiny Trunk! [Retro](Mark Arnold)

    LOUD3R Score: 991 - Jun 19, 2008

    Tiny Japanese cars from the '70s and '80s are awesome, but can you really fit anything more than a small suitcase or a couple bento boxes in the back? Actually, yes. In fact, back in the '80s, Honda sold the City with a motorcycle in the... Full Article At Wikio - Blogs

  6. Yamaha YZ85

    LOUD3R Score: 953 - Jun 19, 2008

    Posted on 06.19.2008 16:03 by Maxx Biker Filed under: Yamaha | dirt bikes | Yamaha YZ Yamaha's new YZ85 stands as one of the best means to power... Full Article At Top Speed - motorcycles

  7. My designs for new Yamaha TDR and RD's

    LOUD3R Score: 942 - Jun 10, 2008

    These are my proposal sketches for a new Yamaha RD350 and Yamaha TDR350 twin. Both would be Two-stroke with fuel injection and... Full Article At MCN - News

  8. 2009 Yamaha RD350 Concept

    LOUD3R Score: 797 - Jun 13, 2008

    Two-stroke sportbikes are an extinct breed, but this concept sketch gives us a glimpse into what could be possible if new technology allows it to meet Exhaust emissions regs.... Full Article At Motorcycle.com - Yamaha

  9. Casey Stoner reserves judgement on new 600cc proposal

    LOUD3R Score: 673 - Jun 11, 2008

    Reigning world champion Casey Stoner has said he will reserve judgement on the merits of a new 600cc Four-stroke series to replace the current 250GP ... Full Article At MCN - Sport

  10. Grand Prix Commission accepts 600GP.

    LOUD3R Score: 316 - Jun 27, 2008

    Topics:

    Grand Prix Commission accepts 600cc four-strokes as replacement for the 250GP Two-stroke class from 2011.... Full Article At Crash.Net MotoGP

  11. 600cc replacing 250cc - the class war

    LOUD3R Score: 178 - 5 Hours Ago

    Topics:

    The internecine politics within the world of racing is being laid bare by the proposals currently being implemented by the Grand Prix Commission. It has been generally recognised for some time now, indeed since the demise of the Two-stroke 500cc class... Full Article At MotoGP Blog



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Two-stroke

Wikipedia

The two-stroke internal combustion engine differs from the more common four-stroke engine by completing the same four processes (intake, compression, combustion, exhaust) in only two strokes of the piston rather than four. This is accomplished by using the beginning of the compression stroke and the end of the combustion stroke to perform the intake and exhaust functions. This allows a power stroke for every revolution of the crank, instead of every second revolution as in a four-stroke engine. For this reason, two-stroke engines provide high specific power, so they are valued for use in portable, lightweight applications such as chainsaws as well as large-scale industrial applications like locomotives.

Invention of the two-stroke cycle is attributed to Dugald Clerk around 1880 whose engines had a separate charging cylinder. The Crankcase scavenged engine, employing the area below the piston as a charging pump, is generally credited to Joseph Day (and Frederick...More Two-stroke @ wikipedia

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