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By the end of its life, the V-Rod had a 1247cc, water-cooled, DOHC V-twin making 125hp, putting it within spitting distance of the new Sportster’s 1252cc and 121hp. But the old bike was a much heftier machine, coming in at around 300kg depending on which version you picked, where the Sportster S is a relatively lithe 228kg ready-to-ride.
Lindsay, Brooke (November 5, 2006), "Harley's Sportster: From a Wild Child to a Grown-Up in 50 Years", The New York Times As grim as those days were in terms of performance, it was an era that produced two of the Sportsters considered most unusual and sought-after by collectors, the 1977-78 XLCR Cafe Racer and the 1983-85 XR1000. Both of these ...
The Harley-Davidson Milwaukee-Eight engine is the ninth generation of "big twin" engines developed by the company, but only Harley's fourth all-new Big Twin in 80 years, first introduced in 2016. These engines differ from the traditional Harley Big Twin engines in that there are four valves per cylinder, totaling eight valves, hence the name.
The engine design was borrowed from Harley's Evolution Sportster engine with the rear cylinder eliminated. [ 1 ] [ 2 ] The plastic bodywork pieces of the Blast were made from Surlyn , a substance used to make the outside of golf balls, to protect the surfaces when the Blast is dropped, and the color is molded-in. [ 2 ]
Harley-Davidson's official name for the engine was likely related to the company's attempt to reform its image following the 1981 management buyout from previous owner American Machine and Foundry (AMF). [2] Both the heads and cylinders of the Evolution engine are made from aluminum to reduce weight compared to a cast iron design.
In 2008 the VRSCDX Night Rod Special's Revolution was increased from 1,131 to 1,247 cc (69.0 to 76.1 cu in), producing claimed torque of 85 lbf⋅ft (115 N⋅m) @ 7,000 rpm, and peak power of 125 hp (93 kW) at the crank, [citation needed] a slipper-clutch was also added, as was an ABS option. For the 2012 model year, Harley-Davidson launched a ...
Buell 1125R; Manufacturer: Buell: Production: 2008–2009 by Buell 2009– by Erik Buell Racing: Class: Sport bike: Engine: Rotax Helicon: liquid-cooled, 72° V-twin, 1,124.9 cc (68.65 cu in), DOHC, FI, 4 valves per cylinder, finger followers, shims, dual 61 mm (2.4 in) downdraft throttle bodies, ram-air intake, dry-sump lubrication
The Shovelhead engine was ultimately fitted to all of Harley-Davidson's big twin motorcycles throughout its production. The engines were first met with controversy due to the Shovelhead's weight and ground clearance. Because of this steering and weaving became a new issue that arose with motorcycles fitted with the engine.