Thus, it’s best for the Harley Davidson Big V-twins motorcycles. This engine system has a high engine shift capacity of 1340CC. It played an important role in reviving Harley’s success when the business was facing a severe crisis. The Evolution engine is one of the first motorcycle engines made by Harley. Twin Cam’s hydraulic lifters automatically adjust the clearance of the pushrod during operation. This engine has a pushrod system for the rocker’s arms. The compression ratio of the twin cam is 8.35:1. The compression ratio of Harley Evo is 9:1. It has an internal oil reservoir and a separate sump. Where the cylinders are placed in a V shape and share a common crankshaft.Ĭomes with a dry sump injection system with an external tank. Rubber-mounted twin cam has two valves per cylinder. Liquid-cooled single-cylinder engine system. So, let’s dive in and see the basic facts about the two in our Harley Evo vs Twin Cam Engine System comparison.Įvo is available from four to six-speed transmissions.Ī twin cam engine is available only with six-speed transmission. We have researched in-depth on these giant engines and we’ve got clear answers for you. Thus, the endless conflict between Harley Twin cam and Evo is always. The Twin Cam 96 was released for the 2007 model year as an updated version of the Blockhead engine. In the late 1990s and early 2000s, the Evo design was developed & used in Harley Sportstar bikes to dampen vibration and reduce engine noise and bleakness.

Harley evo cam specs