Harley Davidson Knucklehead Engine Specs

The original 74ci Knucklehead engine has been fully rebuilt.

Harley davidson knucklehead engine specs. The engine can have different bore and strokes as well as horsepower and torque ratings depending on what motorcycle it is in. Interesting facts Knucklehead is a word used by enthusiasts to refer to a Harley-Davidson motorcycle engine named after the distinct shape of the rocker box covering for an overhead valve that resembles two knuckles on a clenched fist. They are also called Evolution or Evo.

It provides service repair and maintenance information for the 1940-1947 OHV 61 Cubic Inch 1000cc 74 Cubic Inch 1200cc engines Side Valve 74 Cubic Inch 1200cc engines and 80 Cubic Inch 1300cc engines found in 1940-1947 Harley-Davidson motorcycles. To understand how and why Harley-Davidson and the rest of the motorcycle industry got to where it is today it is important to first understand the 1936 model EL. If you check out the video at the bottom of this article you will hear that the engine.

The famed Knucklehead engine. Zach Waters Bikes Name. 1000cc engine and four-speed constant mesh gearbox it was lauded for its advanced engineering.

Harley-Davidson has produced many engines in its history. This work was completed using mainly OEM parts. Now nicknamed the Knucklehead for its bulbous rocker boxes surprisingly the new Harley-Davidson big twin was developed in Depression era America.

53 hp 395 kW 6000 rpm. The 1936 Harley Davidson FL 1200 Type 74 Knucklehead was powered by a four-stroke air-cooled 1208cc V-Twin powerplant that was paired to a four-speed manual transmission with. In 1941 Harley-Davidson introduced the 74-inch 1208cc OHV engine making 53 horsepower and the Knucklehead would remain in production until the introduction of the Panhead in 1948.

Dealers can access this manual through our Cyclepedia PRO Product. In 1936 Harley-Davidson introduces the EL an overhead valve 61 cubic inch pwered bike. 1207 cc OHV 45 V-twin Production.