Harley Davidson Knucklehead Engine Specs

When the Harley-Davidson EL was introduced in 1936 with its all new overhead valve 61 cu.

Harley davidson knucklehead engine specs. The Knucklehead and Ironhead engines were named after features of the engine and materials that were used to manufacture them. This motor has been sitting a long time and the person we got it from knew very little about it. With increased horsepower and bold styling changes the motorcycle later earned the nickname of Knucklehead due to the shape of its rocker covers.

It pushes 80 horsepower at 5200 rpm. This is an original 1948FL Engine with a clear ery old NC Title. Four stroke 45 V-Twin OHV.

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. The owner rebuilt the engine to factory specs and the transmission was subjected to the same treatment. They are also called Evolution or Evo.

53 hp 395 kW 6000 rpm. The H-D Knucklehead V-twin was introduced in 1936. If you check out the video at the bottom of this article you will hear that the engine.

1947 was also the year that the Harley Davidson introduced Knucklehead to the world. 863 x 1016 mm 34 X 4 Cooling System. The motorcycle is most noted for its 61-cubic inch powerplant.

Heres a look at the technical evolution of the 61-cu-in. Former Powerhouse Cycles Website. 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.