Harley Davidson Engine Evolution

By the end of its run the engine was oil-tight reliable and pumped out stump-pulling torque.

Harley davidson engine evolution. In 1986 the Evolution became the standard engine on the 1200 Sportster replacing the Ironhead. Harley Davidson Evolution Motor Disassembly Part 1. Evolution Engine numbers.

The Evolution engine is an air-cooled 45-degree V-twin engine manufactured from 1984 by Harley-Davidson for the companys motorcycles. Complete in Chassis Engine Assembly Service - 131295 Labor Only Revolution does all the work start to finish. Harley-Davidson Big Twins The Evolution regarding Harley Davidson Evolution Engine Diagram image size 900 X 600 px Description.

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. This engine was found only in XL models aka Sportsters Evo Evolution Sportster. Meanwhile the engine reaches up to 1801ccm³ and up to 97 hp.

It can be found in Harley-Davidsons 883 1100 and 1200 XLH Sportster models. The larger Evolution engine however was replaced by the Twin Cam 88 engine in 1999. Problems with oil circulation in the Evolution engine prompted Harley-Davidson to equip the Twin Cam with a more powerful internal twin engine oil pump.

The Harley-Davidson Evolution V-twin was introduced in 1983. However the engine number does not correspond with the HARLEY DAVIDSON numbering system. Engine to save the company.

Since 1986 Sportster Evolution. Heres a look at the technical elements and developments that allowed the 80-cu-in. During its 15-year reign Harley-Davidson produced almost 850000 Evolution engine powered Big Twins.