Shovelheads were twin-cylinder, air-cooled, four-stroke motors. The V was arranged front-to-back. The cylinders were aligned at 45 degrees around the crankshaft. While the bottom half of the Shovelheads were the same, they were made in two sizes: 75 and 80 cubic inches.
How many cc is a Harley EVO?
1,340 cc
It was made in the 1,340 cc (82 cu in) displacement for Harley-Davidson Big V-twins bikes, replacing the Shovelhead engine until 2000 when the last EVO was placed in a production factory custom FXR4 (FXR2 and FXR3 were the first CVOs).
How many miles will a Shovelhead last?
With a lack of oil and excessive heat, the valves were prone to sticking and destroying the top end. Numerous Harley technicians even stated that without necessary top-end modifications, the motors would often last only between 500 and 5,000 miles.
What was the last year for the Harley Evo motor?
Despite some CVO models still offering highly tuned Evo engines in 2000, 1999 saw the last production Evolution roll off the line. Production of Big Twins peaked that year at 135,317 units, making almost 850,000 Evolution powered bikes cruising around the planet.
Are Shovelheads reliable?
If you follow the specs in the book and use good quality parts and have your machine work done properly, the Shovelhead is as reliable as any other motorcycle, Otherwise, it will leave you by the side of the road every time.
Why do Shovelheads leak oil?
Oil Leaks. Oil leaks, or the “Shovelhead Drip,” have been plaguing Shovelhead owners for decades. The culprits can include worn head gaskets, the valve cover on top of the engine or the oil pump. According to Shovelhead USa, both the primary and chain oilers can be plugged without harming the motorcycle.
How much does an evolution Motor weigh?
Product Specifications
| Benchmark Prop | 12 x 6 @ 12,000 rpm |
|---|---|
| Cylinders | Single |
| Cylinder Type | ABC |
| Displacement | .61 cu. in. (10.0 cc) |
| Engine (Only) Weight | 20.32 oz |
What is considered high mileage for Harley Davidson?
For small sports bikes, 20,000 to 30,000 is on the high side. For larger bikes, 50,000 miles and up is considered high motorcycle mileage.
How reliable are Harley engines?
If you properly maintain your Harley Davidson engine, there’s no reason it can last for 150,000 miles. While these results aren’t guaranteed, Harley Davidson engines are among the more reliable components in the bike. It’s the smaller components that many owners complain about.
How many CC’s does a Harley Davidson shovelhead have?
From 1966 to 1977, the Harley-Davidson Shovelhead displaced 74 cubic-inches. During production of the 1978 model year, a larger engine was offered on the FL touring bikes. Using the same base engine, displacement was increased to 1340cc (80 cubic-inches). This was achieved by boring the cylinders out to 3.50″ and increasing the stroke to 4.25″.
When did the Shovelhead get a cylinder head change?
The original 74ci displacement Shovelhead was offered for the last time in 1980, in the FLH 1200 Police model and the FXS 1200 Low Rider. A cylinder head change was seen in mid-1978. Early Shovelhead motors had a small-lip O-ring to seal the intake manifold to the cylinder head.
What year did Harley-Davidson stop using the Evolution engine?
The 1,340-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. As of 2011, the Sportster remains the only model from the Harley-Davidson that still employs the Evolution engine, in both 883-cc and 1,200-cc variants.
When did the Shovelhead V-twin come out?
Retrospective: Harley-Davidson Shovelhead: 1966-1984. The Shovelhead was the third rendition of Harley’s OHV V-twin, following the Knucklehead and the Panhead. When the first Harley OHV twin appeared in 1936 nobody called it a Knuckle, it was just the E-model, or the 61—for cubic inches. Followed in 1941 by the 74-inch F-model.
