Editing Straight-twin engine (section)

==References==
{{reflist|1=30em|refs=
<ref name="ICE_TnP">{{cite book |title= The Internal-combustion Engine in Theory and Practice: Combustion, fuels, materials, design.|last= Taylor |first= Charles Fayette |date= 19 Mar 1985 |publisher= MIT Press |isbn= 0-262-70027-1 |edition= 2 |volume= 2}}</ref>
<ref name="heavy">{{cite book |last1=Nunney |first1=M. J. J.|title=Light and Heavy Vehicle Technology|edition=4, illustrated, revised|date=31 May 2012|publisher=Taylor & Francis |isbn= 978-0-75068-037-0}}</ref>
<ref name="BargerRide">{{cite book| first1 = Sonny| last1 = Barger| author1-link = Sonny Barger| first2 = Darwin| last2 = Holmstrom| title = Let's Ride: Sonny Barger's Guide to Motorcycling| date = Jun 8, 2010| publisher = HarperCollins| isbn = 978-0-06196-426-8}}</ref>
<ref name="EveryHonda">{{cite book| last = Mitchel| first = Doug| title = Honda Motorcycles: Everything You Need to Know About Every Honda Motorcycle Ever Built| date = Oct 18, 2005| publisher = Krause Publications| isbn = 978-0-87349-966-8| pages = 12–15| chapter = 1959}}</ref>
<ref name="FrankHonda">{{cite book| last = Frank| first = Aaron| editor-last = Holmstrom| editor-first = Darwin| title = Honda Motorcycles| date = Jul 12, 2003| publisher = MotorBooks International| isbn = 978-0-76031-077-9| page = 34| chapter = Chapter Three: Honda Who?}}</ref>
<ref name="balls">{{cite book |last1=Vandenheuvel|first1=Cornelis|title=Pictorial History of Japanese Motorcycles|date=18 July 1997|publisher=Bay View Books|location=Devon U.K.|isbn=1-8709-7997-4}}</ref>
<ref name="Duckworth2012">{{Citation | editor-first=Mick | editor-last=Duckworth | first1=Phil | last1=Hunt | url=https://books.google.com/books?id=cQ6-B-tbcqMC&pg=PA126 | last2=McKay | first2=Malcolm | first3=Hugo | first4=James | last3=Wilson | last4=Robinson | title=Motorcycle: The Definitive Visual History | publisher=[[DK Publishing]], [[Penguin Group]] | year=2012 | pages=126, 210 | isbn=978-1-46540-088-8}}</ref>
<ref name="Wilson1995">{{cite book | chapter=Glossary | url=https://archive.org/details/encyclopediaofmo00wils_1 | title=The Encyclopedia of the Motorcycle | publisher=Dorling Kindersley | last=Wilson | first=Hugo | url-access=registration | year=1995 | location=London | pages=[https://archive.org/details/encyclopediaofmo00wils_1/page/309 309–310] | isbn=0-7513-0206-6 | quote='''in-line''' Engine layout in which the cylinders are arranged in a row, and in-line with the wheels of the machine... '''parallel twin''' A two-cylinder engine layout in which both cylinders are side by side and mounted across the frame. }}</ref>
<ref name="Henshaw2008">{{cite book | access-date=July 13, 2012 | chapter=Super Bantam | chapter-url=https://books.google.com/books?id=R83apsln2NIC&pg=PA42 | title=The BSA Bantam Bible: All Models 1948 to 1971 | publisher=Veloce Publishing | date=Jun 15, 2008 | last=Henshaw | first=Peter | page=42 | isbn=978-1-84584-159-1 | quote=...and the Sunbeam S7, that civilised but low-powered shaft-drive in-line twin that BSA hoped would fill a niche as a gentleman's machine...}}</ref>
<ref name="Walker2000">{{Citation | author-link=Mick Walker (motorcycling) | last=Walker | first=Mick | title=Mick Walker's European Racing Motorcycles | publisher=Redline Books | year=2000 | isbn=978-0-95313-113-6 | ref=Walker2000}}</ref>
<ref name="Setright, Parallel twin">{{cite book | title=Motorcycles | publisher=Weidenfeld & Nicolson | last=Setright | first=L.J.K. | author-link=L. J. K. Setright | year=1976 | location=London | page=48 | isbn=0-297-77234-1 }}</ref>
<ref name="Tuttle2005">{{Citation | last=Tuttle | first=Mark Jr. | magazine=Rider | title=BMW F800S | date=December 2005 | page=15}}</ref>
<ref name="parallel-twin">{{cite book | first1=Dain | last1=Gingerelli | url=https://books.google.com/books?id=Kabox9JS1OEC | title=365 Motorcycles You Must Ride | publisher=MBI Publishing | date=10 January 2011 | access-date=2012-09-08 | last2=Everitt | first2=Charles | last3=Michels | first3=James Manning | page=8 | isbn=978-0-76033-474-4}}</ref>
<ref name="TriumphPassion">{{cite book | first1=Lindsay | last1=Brooke | url=https://books.google.com/books?id=I8sIulyI7xoC | title=Triumph: A Century of Passion and Power | publisher=MotorBooks International | date=5 January 2003 | access-date=2012-09-08 | chapter=Chapter Two: Speed Twin and Tiger 100 | pages=36–37 | isbn=978-0-76030-456-3 | quote=Stylish, light, responsive, smooth, and refined, the Speed Twin changed the direction of motorcycle design and dominated it for thirty years.}}</ref>
<ref name="Wilson1995p53">{{harvnb|Wilson|1995|pages=53, 120, 122}}</ref>
<ref name="BaconDominator">{{cite book | title=Norton Dominator Twins | last=Bacon | first=Roy | year=1990 | page=7 | publisher=PRC | isbn=1-85648-306-1 }}</ref>
<ref name="ParallelUniverse">{{cite journal | title=Parallel Universe | publisher=American Motorcyclist Association | date=December 2004 | access-date=2012-09-08 | editor1-first=Wood | editor1-last=Bill | url=https://books.google.com/books?id=xvUDAAAAMBAJ&q=American+Motorcyclist+Dec+2004 | last=Oliver | first=Lance | journal=[[American Motorcyclist]] | volume=58 | issue=12 | location=Pickerington, Ohio | page=13 | issn=0277-9358}}</ref>
<ref name="Wilson1995pp108_9">{{harvnb|Wilson|1995|pages=108–109}}</ref>
<ref name="ClarkeMMT">{{cite book |last1=Clarke |first1=Massimo |title=Modern Motorcycle Technology: How Every Part of Your Motorcycle Works |url= https://books.google.com/books?id=u7U524TamcUC |access-date=2012-09-08 |edition=English |series=Motorbooks Workshop |date=17 April 2010 |orig-year=2008 |publisher=MotorBooks International |isbn=978-0-76033-819-3}}</ref>
<ref name="MCN_TMax">{{cite web |url=http://www.motorcyclenews.com/MCN/bikereviews/searchresults/Bike-Reviews/Yamaha/Yamaha-YP500-T-Max-2001-current/|title=Yamaha T-Max (2001-2011) |newspaper=[[Motor Cycle News]] |publisher=Bauer Media |archive-url=https://web.archive.org/web/20100930065905/http://www.motorcyclenews.com/MCN/bikereviews/searchresults/Bike-Reviews/Yamaha/Yamaha-YP500-T-Max-2001-current/ |archive-date=2010-09-30 |url-status=live |access-date=2012-09-08|quote=Engine specification 4 stroke, parallel twin, auto}}</ref>
<ref name="MotorcycleSilverWingTest">{{cite web | url = http://www.motorcycle.com/manufacturer/honda/2008-honda-silver-wing-abs-review-80995.html| title = 2008 Honda Silver Wing ABS Review | date = Jun 12, 2008| website= Motorcycle.com | publisher = Verticalscope |archive-url = https://web.archive.org/web/20100727070525/http://www.motorcycle.com/manufacturer/honda/2008-honda-silver-wing-abs-review-80995.html | archive-date = 2010-07-27 | url-status = live | access-date = 2012-07-11 | quote = The engine is no longer an oversized, vibration-prone single but a smooth and reasonably powerful in-line twin.}}</ref>
<ref name="WestlakeGiants">{{cite book |last1=Westlake |first1=Andy |title=Off-Road Giants!: Heroes of 1960s Motorcycle Sport |url=https://books.google.com/books?id=JSZ7nf7iqHIC |access-date=2013-02-01 |date=15 November 2008 |publisher=Veloce Publishing |location=Dorchester, UK |isbn=978-1-84584-190-4 |pages=117–122 |chapter=Chapter 17: Wasp - A Sting in the Tail|chapter-url=https://books.google.com/books?id=JSZ7nf7iqHIC&pg=PA117}}</ref>
<ref name="ABM1911">American bicyclist and motorcyclist, Volume 6. Cycling Press, 1911</ref>
<ref name="MotorcycleWorks">{{cite book| last = Henshaw| first = Peter | title = How Your Motorcycle Works: Your Guide to the Components & Systems of Modern Motorcycles| date = Sep 15, 2012| publisher = Veloce Publishing| isbn = 978-1-84584-494-3| page = 19| chapter = Two–Engine| quote = Unmachined forging of a 270-degree crankshaft for parallel-twin engine. (Honda)}}</ref>
<ref name="feel">{{cite journal | last1 = Ried | first1 = Rick |date=December 2001 | title = British Heritage, American Style | journal = American Motorcyclist | volume = 55 | issue = 12 | pages = 18–20 | location = Pickerington, OH USA | publisher = [[American Motorcyclist Association]] | issn = 0277-9358 | quote = ...the America utilizes a 270-degree crank. That gives the America a lumpier cadence at idle that's a fair replica of a V-twin beat, although updated balancer shafts keep the vibrations under control.}}</ref>
<ref name="JAE1971">JAE: the journal of automotive engineering, Volume 2. Institution of Mechanical Engineers (Great Britain). Automobile Division. Automobile Division, Institution of Mechanical Engineers., 1971</ref>
<ref name="WFMCutts">{{cite book |last1=Cutts|first1=John|last2=Scott|first2=Michael|title=World's Fastest Motorcycles|date=1 August 1991|publisher=Book Sales|isbn=1-5552-1708-7}}</ref>
<ref name="Turner_Threat">{{cite book| last = Clew| first = Jeff| title = Edward Turner: The Man Behind the Motorcycles| edition = illustrated, revised| date = 1 February 2007| publisher = Veloce Publishing | location = Dorchester, UK| isbn = 978-1-84584-065-5}}</ref>
<ref name="ClassicMac">{{cite book |last1=McDiarmid|first1=Mac|title=Classic superbikes from around the world|date=1 January 1995|publisher=Parragon|isbn=0-7525-1017-7|pages=52–53 |chapter=Honda CB450 'Black Bomber'}}</ref>
<ref name="HolmstromBMW">{{cite book |last1=Holmstrom|first1=Darwin|others=Brian J. Nelson, photographer|title=BMW Motorcycles|url=https://books.google.com/books?id=yQnrSn8nNVUC|access-date=2012-09-10|date=4 December 2009 |publisher=MotorBooks International |isbn=978-0-76033-748-6}}</ref>
<ref name="CW2007">[[Cycle World]], Volume 46. CBS Publications, 2007</ref>
<ref name="MotorBoatingOct1964">{{cite journal | last1 =Holcolmb | first1 =Hank | editor-last =Juettner | editor-first =Walter R. |date=October 1964 | title =Inside Today's Outboards | journal =MotorBoating | volume =114 | issue =4 | pages =34–35 | location =New York, NY USA | publisher =Hearst | issn =1531-2623 | access-date =2013-05-18 | url =https://books.google.com/books?id=QYSfHsX__vgC}}</ref>
<ref name="DealerNewsNov1996">{{cite journal |last1= Watanabe|first1= Laurie|last2= Mitchel|first2= Doug|date=November 1996|title= That magnificent man on his riding machines|journal= Dealernews|volume= 32|issue= 12|type= Trade Publication |quote= If you press him, though, Jim is likely to expound on his 1947 S7 Sunbeam – "twin-cylinder, rubber-mounted engine. They were an inline two-cylinder, not crosswise in the frame, like conventional twins are."}}</ref>
<ref name="MDATHandbook">{{cite book |last1= Cocco|first1= Gaetano|title= Motorcycle Design and Technology|url= https://books.google.com/books?id=Ydk0bgq2_3YC|access-date= 2013-09-09|edition= English|year= 2004|publisher= Motorbooks International|location= St. Paul, MN USA|isbn= 0-7603-1990-1|pages= 117–118|chapter= Chapter 11: The Engine|chapter-url= https://books.google.com/books?id=Ydk0bgq2_3YC&pg=PA113|quote= In some construction layouts the transverse width is the same as a single-cylinder engine, which allows very narrow frames and bodywork with small frontal areas.|ref= MDATHandbook}}</ref>
<ref name="UltiHistFast">{{cite book |last1=Brown |first1=Roland|title=Ultimate History of Fast Bikes|date=1 September 2003|publisher=Parragon |isbn=978-1-40541-592-7}}</ref>
<ref name="AntiqueSedgewick">[https://books.google.com/books?id=zCAWvcmlfmIC&q=%22inline-twin%22 Antique cars] Michael Sedgwick, 1980 - 93 pages "The engine, an inline twin, lived in a box like a meat-safe at the rear."</ref>
<ref name="HandbookNorbye">{{cite book| last = Norbye| first = Jan P.| title = The complete handbook of automotive power trains| url = https://books.google.com/books?id=YSpKEyATeM8C&q=editions:-VzpBOB8_d8C| access-date = 2013-05-18| year = 1981| publisher = Tab Books| isbn = 0-8306-2069-9}}</ref>
<ref name="PopSciFeb75">{{cite journal | last1 =Norbye | first1 =Jan P. | editor-last =Luckett | editor-first =Hubert P. |date=February 1975 | title =The new logic in small-car engineering | journal =[[Popular Science]] | volume =206 | issue =2 | pages =56–59 | location =New York, NY USA | publisher =Times Mirror Magazines | issn =0161-7370 | access-date =2013-05-18 | url = https://books.google.com/books?id=WwEAAAAAMBAJ }}</ref>
<ref name="LightCarCaunter">{{cite book| last = Caunter| first = Cyril Francis| others = Science Museum (Great Britain)| title = The light car: a technical history of cars with engines of less than 1600 c.c. capacity| url = https://books.google.com/books?id=JG1TAAAAMAAJ&q=NSU+parallel+twin | edition = Second illustrated| year = 1958| publisher = H.M.S.O.| isbn = 9780112900030}}</ref>
<ref name="WorldsCheapestAutocar">{{cite journal | url = http://www.autocar.co.uk/car-news/new-cars/worlds-cheapest-car-launched-tata-nano | title = World's cheapest car launched: Tata Nano | journal = [[Autocar (magazine)|Autocar]] | publisher = Haymarket Consumer Media | access-date = 2012-07-12 | quote = The twin-cylinder, 623cc petrol engine powering it drives the rear wheels, and sits directly above them to the right of the rear of the car, with a four-speed manual gearbox immediately to its left.}}</ref>
<ref name="PopMechFeb1989">[https://books.google.com/books?id=KOQDAAAAMBAJ&dq=%22inline-twin%22&pg=PA109 Popular Mechanics] – Feb 1989 – Page 109. Vol. 166, No. 2 – 136 pages – Magazine "Also new from Suzuki are the inline twin 15 and the inline 3-cylinder 25. Both are equipped with loop-charging, oil injection and external-mount tilt and trim. The 25 also has pre-atomized oil injection and an overrev limiter."</ref>
<ref name="JetVee">{{cite web|url=http://www.jetvee.com/images/JetVee_BoatEngine4.pdf|title=2 Stroke International Marine Engines & Jet Pumps|website=jetvee.com|access-date=4 April 2018}}</ref>
<ref name="UltralightCliche">{{cite book |last1=Cliche |first1=Andre |title=Ultralight Aircraft Shopper's Guide |edition=8th |year=2001 |publisher=Cybair Limited Publishing |isbn=0-9680628-1-4 |pages=G–3 and G–4}}</ref>
<ref name="PS_May1984">{{cite journal |last=Markowski |first=Michael A.|date=May 1984|title=Build your own ultralight? –tips from an expert |journal=[[Popular Science]] |volume=224 |issue=5 |pages=103–107, 158 |location=New York, NY USA |publisher=Times Mirror Magazines|editor1-first=C. P.|editor1-last=Gilmore|editor2-first=Everett H. |editor2-last=Ortner |issn=0161-7370 |access-date=2012-09-13 |url=https://books.google.com/books?id=lgAAAAAAMBAJ}}</ref>
<ref name="MachineDesignSnowAir">[https://books.google.com/books?id=KnMrAQAAMAAJ&q=%22inline-twin%22 Machine Design]: Volume 54, Issues 1–6; Volume 54, Issues 1–6 1982 "A modified snowmobile power plant, the 30-hp inline twin has been detuned by lowering the compression ratio and modifying the carburetion"</ref>
<ref name="BergerBurr">Berger-Burr's ultralight and microlight aircraft of the world, Volume 16. P.185. Alain-Yves Berger, Norman Burr. Haynes Publishing Group, 1 Jan 1983</ref>

<ref name="RotaxOperManual">{{cite web |url=http://www.rotax-aircraft-engines.com/portaldata/5/dokus/d04495.pdf |title= Operators Manual for Engine Types 447, 503, 582|year=2010 |publisher=BRP-Powertrain |type=operators manual |access-date=2012-10-05}}</ref>
<ref name="InTwinSpecSheet">{{cite web|url=http://www.aircraftinternational.com/catalog/motors/3w150ir2/3w150ir2.htm|title=3W-150iR2 Inline Twin|website=www.aircraftinternational.com|access-date=4 April 2018}}</ref>
<ref name="TaplinDesignManufacturingProfiles">{{cite web |url=http://modelenginenews.org/drj/taplin_mk3.html |title=Model Engine Designer and Manufacturing Profiles: Taplin Twin |last=Janson |first=David R. |access-date=2012-10-05}}</ref>
<ref name="AM_TG_Feb2003">{{cite journal | last1 = Parsons | first1 = Grant | editor-last = Wood | editor-first = Bill |date=February 2003 | title = Top Gear: Polaris 600 Sportsman Works Hard and Plays Hard | journal = American Motorcyclist | volume = 57 | issue = 2 | pages = 16 | location = Pickerington, OH USA | publisher = [[American Motorcyclist Association]] | issn = 0277-9358 | quote = Underneath the bodywork, you'll find a 597cc overhead-valve parallel twin with two valves per cylinder, fed by a 34mm carb.}}</ref>
<ref name="PopMechMay2003FighterJets">{{cite journal | last1 = Taylor | first1 = Rich | editor-last = Oldham | editor-first = Joe |date=May 2003 | title = Fighter Jets | journal = Popular Mechanics | volume = 180 | issue = 5 | pages = 114–117 | publisher = Hearst Magazines | issn = 0032-4558 | quote = Powered by a turbocharged 4-stroke Parallel Twin that has half the displacement of the Sea-Doo's supercharged GTX, the lightweight Polaris MSX 150 is almost as fast and $2200 less expensive.}}</ref>
<ref name="FieldAndStreamOct1972">{{cite journal | editor-last = Samson | editor-first = Jack |date=October 1972 | title = Quieter & Safer: the '73 machines | journal = Field & Stream | volume = 77 | issue = 6 | pages = S10 – S14 | location = New York, NY USA | publisher = CBS Publications| issn = 8755-8599 | quote = The important power plants will now be 399 to 440cc parallel twins.}}</ref>
<ref name="JohnDeereArt">{{cite book| last = Klancher| first = Lee| title = The Art of the John Deere Tractor: Featuring Tractors from the Walter and Bruce Keller Collection| date = 13 May 2011| publisher = Voyageur Press| isbn = 9780760339497}}</ref>
<ref name="SnowmobileServiceManual">{{Google books|Rpy2LpP6wTgC|Snowmobile Service Manual|page=297}} Intertec Publishing - 1986 - 488 pages "Engines consist of two types; the axial fan, inline twin and the simultaneous firing opposed twin.</ref>
<ref name="BigBore">{{cite web |url= http://atvmag.com/article.asp?nid=2141&rez=1280&reload=true|title= Which Big Bore Engine Layout Is Best? |date= 3 August 2011 |magazine= Dirt Trax Magazine |access-date=6 August 2012|archive-date=17 December 2013 |url-status=live |archive-url=https://web.archive.org/web/20131217221233/http://atvmag.com/article.asp?nid=2141&rez=1280&reload=true}}</ref>
<ref name="Best2UpATV">{{cite web |url=http://www.atvmag.com/article.asp?nid=2318&rez=1280&reload=true |title= BEST IN CLASS: BEST 2-UP ATV|date= 9 March 2012 |magazine= Dirt Trax Magazine |access-date=6 August 2012 |archive-date=17 December 2013 |archive-url=https://web.archive.org/web/20131217221238/http://www.atvmag.com/article.asp?nid=2318&rez=1280&reload=true |url-status=live}}</ref>
<ref name="OGPEMay2006">"Emission-compliant diesel engines cover 83 to 1,350 bhp in 10 models." Oil, Gas, & Petrochem Equipment May 2006: 18. General OneFile. Web. 29 June 2012. "Cat petroleum diesels line includes eight inline two, three, and four-cylinder engines</ref>
<ref name="AutoEngOct2008">{{cite journal |date=October 2008|title= PSA fires up two-cylinder turbo |journal= Automotive Engineer|volume= 33 |issue= 9 |page= 5 |quote= Taking an 1,124cc naturally-aspirated inline-four as a baseline, it selected the inline-twin configuration as offering the lowest friction and thermal losses.}}</ref>
}}

{{Piston engine configurations}}

[[Category:Straight engines|2]]
[[Category:Straight-twin engines| ]]