Harley Davidson Knucklehead Engine Specs

Harley Davidson FL 1200 Type 74 Knucklehead.

Harley davidson knucklehead engine specs. Our new friend Koji Hamada of Japans Hammer Sycle has lived a life deeply entwined with old Harley-Davidsons having bought his first H-D an 84 FXR at. Dealers can access this manual through our Cyclepedia PRO Product. 1947 was also the year that the Harley Davidson introduced Knucklehead to the world.

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. With increased horsepower and bold styling changes the motorcycle later earned the nickname of Knucklehead due to the shape of its rocker covers. The Knucklehead is a 74-cubic-inch 1200 cc engine that was distributed between 1936.

The torque of this engine is 82 ft-lb at 3500 rpm. The Knucklehead and Ironhead engines were named after features of the engine and materials that were used to manufacture them. When the Harley-Davidson EL was introduced in 1936 with its all new overhead valve 61 cu.

Blockhead 1984-99 All Blockheads have the same displacement of 80 cubic inches. The title has an issue date of 1971. 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.

This is an original 1948FL Engine with a clear ery old NC Title. 1000cc engine and four-speed constant mesh gearbox it was lauded for its advanced engineering. And the model was called the FL.

We pulled the top end off to see what was inside and the pistons looked. Both engines have markedly made their place in Harley history. They are also called Evolution or Evo.