The Harley Davidson engine is one of the most powerful motorcycle engine had been designed. In fact, the engines is one of the main why the motorcycle enthusiasts prefer Harleys. Leave through this engines in the long history of development, all toward improvements.
Through this, it retained its distinctive engine sound. This sound has become synonymous to a Harley engine. Thus, its developers have made it a point to retain the sound despite knowing what causes it.
The classic Harley engine is a V-twin two-cylinder engine. This engine type had pistons on its 45° "V". Only one pin on the crankshaft connects the pistons. Because of this, the pistons spurted out unevenly, a concession for confining so much power in such a small engine. This is also the cause of the now very distinct sound made by a Harley engine.
While retaining the sound, great improvements have been made to the Harley engine. Here’s a look at some of them:
1. The Flathead Harley Engine: This engine type was introduced in the 1930s. It stayed in use until 1947. It was named Flathead because of the cylinder heads’ flat vented caps. “Ancient” as this may seem in Harley engine development, the Flathead is one of the most reliable engines ever developed.
2. The Knucklehead Harley Engine: The Knucklehead started production between 1936 and 1947. Here, the valve covers are shaped like fists. This engine is an EL-61 cubic inch engine with 40hp.
3. The Panhead Harley Engine: Developed for production from 1948 to 1965, the Panhead had valve covers in the shape of pans. The developments in this Harley engine included hydraulic valve lifters and aluminum heads, which supplied oil via rocker arms technology.
4. The Shovelhead Harley Engine: This engine was in use from 1966 to 1985, and featured valve covers that are shaped like shovels.
5. The Evolution: Produced at the time the company Harley Davidson was repurchased from AMF, the engine was truly an Evolution from the standard Harley engine. The Evolution engine was produced until 1999. It had a 8.5;1 compression on its 80 cubic inch 1340 cc engine.
6. The Twincam 88 Harley Engine: Produced from 1999 to 2006, the Twincam had a cam for each cylinder. It was also 88 cubic inches with 1450 cc power. It had another version, the Twincam 88B, which extra balancing features for the bike’s Softail models.
7. The Revolution Harley Engine: This is the current engine for V Rod models, and is the only Harley engine that’s liquid cooled. It features the fuel injection system, twin overhead cams and cylinders with four valves each.
Through this, it retained its distinctive engine sound. This sound has become synonymous to a Harley engine. Thus, its developers have made it a point to retain the sound despite knowing what causes it.
The classic Harley engine is a V-twin two-cylinder engine. This engine type had pistons on its 45° "V". Only one pin on the crankshaft connects the pistons. Because of this, the pistons spurted out unevenly, a concession for confining so much power in such a small engine. This is also the cause of the now very distinct sound made by a Harley engine.
While retaining the sound, great improvements have been made to the Harley engine. Here’s a look at some of them:
1. The Flathead Harley Engine: This engine type was introduced in the 1930s. It stayed in use until 1947. It was named Flathead because of the cylinder heads’ flat vented caps. “Ancient” as this may seem in Harley engine development, the Flathead is one of the most reliable engines ever developed.
2. The Knucklehead Harley Engine: The Knucklehead started production between 1936 and 1947. Here, the valve covers are shaped like fists. This engine is an EL-61 cubic inch engine with 40hp.
3. The Panhead Harley Engine: Developed for production from 1948 to 1965, the Panhead had valve covers in the shape of pans. The developments in this Harley engine included hydraulic valve lifters and aluminum heads, which supplied oil via rocker arms technology.
4. The Shovelhead Harley Engine: This engine was in use from 1966 to 1985, and featured valve covers that are shaped like shovels.
5. The Evolution: Produced at the time the company Harley Davidson was repurchased from AMF, the engine was truly an Evolution from the standard Harley engine. The Evolution engine was produced until 1999. It had a 8.5;1 compression on its 80 cubic inch 1340 cc engine.
6. The Twincam 88 Harley Engine: Produced from 1999 to 2006, the Twincam had a cam for each cylinder. It was also 88 cubic inches with 1450 cc power. It had another version, the Twincam 88B, which extra balancing features for the bike’s Softail models.
7. The Revolution Harley Engine: This is the current engine for V Rod models, and is the only Harley engine that’s liquid cooled. It features the fuel injection system, twin overhead cams and cylinders with four valves each.
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