Harley Davidson Evolution Engine History

In 1984 Harley-Davidson introduced the Evolution engine a replacement for its Shovelhead engine.

Harley davidson evolution engine history. Thanks to the Evolution at last Harley Davidson enjoys good reliability and performance. The Evolution engine is an air-cooled 45-degree V-twin engine manufactured from 1984 by Harley-Davidson for the companys motorcycles. Along with Indian it was one of two major American motorcycle manufacturers to survive the Great Depression.

It can be found in Harley-Davidsons 883 1100 and 1200 XLH Sportster models. 1999-2006 Twin Cam 88B TM 2000-2006. 1250 units were produced and used as the basis for the racing engines of the KK series and as a forerunner of the Sportster engines.

Originally offered in a 1340 cc version the Evolution engine was manufactured with aluminum cylinders and heads. Comes in 883 cc and 1200 cc versions. The engine design is often credited with saving Harley-Davidson from bankruptcy after the management buyout and subsequent reorganization that the company went through during the early 1980s.

Engine to save the company. Through its history Harley-Davidson has embraced technological evolution while respecting the heritage of our brand with engines that produce real-world performance for real-life riders said Harley-Davidson Chief Engineer Alex Bozmoski. The Harley Evolution engine or Evo lived in Harley bikes for 16 years.

Twin Cam 88 TM. The small Evolution engine permanently replaced the Ironhead engine and as of November 2010 is still being produced by the Harley-Davidson motorcycle company. In 1936 Harley-Davidson introduces the EL model which had a 61cc engine and was later nicknamed Knucklehead and used a year later 1937 by Joe Petrali to set a new land speed record of 136183.

This engine was found only in XL models aka Sportsters Evo Evolution Sportster. With numerous American motorcycle manufacturers trying to surface and re-surface Harley-Davidson introduces its most revolutionary engine yet. The official name for the engine was assumed by many as the companys attempt to reform their brand image.