What Is A Harley Davidson Evolution Engine

The engine highlighted in this weeks Engine of the Week was built for a customer up around the Toronto Canada area.

What is a harley davidson evolution engine. This engine is not to be confused with the Sportster Evo same name different engine. Discussion in Touring Models started by Aussie Dec 10 2012. The Evolution-engine Harley-Davidson Sportster.

What you want is a 1999 evolution the lower incorporates the same under piston oil sprayer that is found In the TC88 to cool the pistons and has the reliable and bulletproof gear driven camshaft. Blockhead 1984-99 All Blockheads have the same displacement of 80 cubic inches. The Evolution engine is an air-cooled 45-degree V-twin engine manufactured from 1984 by Harley-Davidson for the companys motorcycles.

The Evolution engines not only carried forward Bill Harleys original ideas but they also solved the problems that had beset the earlier Harley-Davidson engines problems caused by heat cooling gasket sealing and oil leaks. The 1340-cc Evolution engine was used by all Harley-Davidson motorcycles built between 1984 and 1998 when it was largely replaced by the new Twin-Cam 88 engines. The H-D Evolution V-twin was introduced in 1983.

Engine to save the company and bring it. We will disassemble clean inspect and then reassemble to your specifications. The Harley-Davidson Evo Sportster The Harley-Davidson Sportster is actually one of the oldest nameplates the company still produces Ultimate Motorcycling reports.

The Evolution engines had the metallurgy sorted out the designs refined and were able to be built to far finer. 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. Unlike the Harley engines of the past that couldnt keep up with the competitions performance and reliability the only reason H-D called a halt to the party was primarily down to emission laws.

As of 2011 the Sportster remains the only model from the Harley-Davidson that still employs the Evolution engine in both 883-cc and 1200-cc variants. It was made in the 1. Forums Harley Davidson Motorcycles Touring Models Evo engine serial numbers What year is the engine.