Year:
Mileage:999999
Color:
Harley-Davidson Other photos
Harley-Davidson Other tech info
Warranty:Vehicle does NOT have an existing warranty
For Sale By:Private Seller
Harley-Davidson Other description
Harley-Davidson Flathead History
The first flathead V-Twin offered by Harley-Davidson was the D Model, produced from 1929 to 1931. The R model, made from 1932 to 1936, began Harley's side-valve tradition in the 45-cid class. The D and R models were succeeded in 1937 by the W series. Advantages of a flathead (side-valve) engine over an overhead valve engine were cost of manufacture and simplicity. With valves positioned in the engine block beside the piston (instead of in the cylinder head, as in an OHV engine), pushrods and rocker arms were not needed. Additionally, cylinder heads need only be a simple casting with threaded holes for the spark plugs. During the years 1940 through 1945, Harley-Davidson built over 60,000 side-valve motorcycles for the U.S. and Canadian Armies. Starting in 1932, the 45-cid side-valve engine powered the Harley-Davidson Servi-Car, whose many uses included police bike, mail carrier, and tow vehicle. Although never selling in large numbers, the three-wheeled Servi-Car stayed in production until 1973, with several reportedly built in 1974. 45-cid Harley flatheads look similar to the Big-Twin Harleys. The easiest way to tell them apart is Big-Twins have their drive chain on the left, the 45's are on the right.
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Moto blog
2011 Indy Mile Cancelled
Fri, 19 Aug 2011Indy Mile officials have decided to cancel this year’s AMA Flat Track round due to the continuing investigation into the fatal stage rigging accident at the Indiana State Fair. The Aug. 13 tragedy killed five people and injured dozens after winds reaching as high as 70 mph caused the stage to collapse.
Motorcycles at the 2009 Frankfurt Auto Show
Mon, 28 Sep 2009Two weeks ago, I took a break from my regular duties gathering news for Motorcycle.com to fly to Germany to cover the 2009 Frankfurt Auto Show for our sister site AutoGuide.com. For two hectic days, AutoGuide editor Colum Wood and I scrambled across the massive 6.2 million square foot Messe Frankfurt trade fair compound, running from press conference to press conference to get the latest on exotic sport cars, futuristic concept models and international unveilings from the automotive world. It was heaven for car lovers, but for me, it meant fighting my way through hordes of photogs, auto-journalists and car show models to get the first photos of four-wheeled goodies from MINI, Ferrari and Lotus.
Harley-Davidson Breakout Recall Caused by Fuel Tank Angle
Fri, 25 Apr 2014An official recall announcement by the National Highway Traffic Safety Administration sheds some light on the cause of a recall campaign on 2013-2014 Harley-Davidson Breakout and CVO Breakout models. We wrote about the recall last week, after campaigns were initiated in Canada and Australia to address a problem with the fuel sensors not properly reading the correct volume of fuel. We now know the problem is caused by the angle of the fuel tank.
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