Harley Davidson Knucklehead Engine Specs

All was not well under those distinctive rocker boxes though and the rush to get the bike into production against the wishes of the engineers caused a series of problems particularly with oil leaks and weak.

Harley davidson knucklehead engine specs. In 1936 Harley-Davidson introduces the EL an overhead valve 61 cubic inch pwered bike. Heres a look at the technical evolution of the 61-cu-in. 1947 was also the year that the Harley Davidson introduced Knucklehead to the world.

The engine can have different bore and strokes as well as horsepower and torque ratings depending on what motorcycle it is in. 53 hp 395 kW 6000 rpm. They are also called Evolution or Evo.

The torque of this engine is 82 ft-lb at 3500 rpm. 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. In 1945 Harley-Davidson introduced a new engine that would come to be known as the Panhead and somewhere in that post war period the older OHV engine began being referred to as a Knucklehead because of the shape of the top covers of the engine.

Type Air-cooled Knucklehead V-Twin OHV Displacement 1208 cm3 Bore X Stroke 34x40 in OR 86 mm Compression Ratio 701 Horsepower 554800 KWhpRPM Torque. Blockhead 1984-99 All Blockheads have the same displacement of 80 cubic inches. 1207 cc 74 cu-in.

In 1941 the engines capacity was increased to 74 cu. It pushes 80 horsepower at 5200 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.

With increased horsepower and bold styling changes the motorcycle later earned the nickname of Knucklehead due to the shape of its rocker covers. Dealers can access this manual through our Cyclepedia PRO Product. Zach Waters Bikes Name.