Harley Davidson Knucklehead Engine Specs

It pushes 80 horsepower at 5200 rpm.

Harley davidson knucklehead engine specs. Zach Waters Bikes Name. The H-D Knucklehead V-twin was introduced in 1936. Now nicknamed the Knucklehead for its bulbous rocker boxes surprisingly the new Harley-Davidson big twin was developed in Depression era America.

1207 cc 74 cu-in. This is an original 1948FL Engine with a clear ery old NC Title. The two models that were manufactured were the 61cuin EL and 74cuin FL model.

Frank Marino Powerhouse Cycles Cases. The original 74ci Knucklehead engine has been fully rebuilt. When the Harley-Davidson EL was introduced in 1936 with its all new overhead valve 61 cu.

In 1941 the engines capacity was increased to 74 cu. We pulled the top end off to see what was inside and the pistons looked. The title has an issue date of 1971.

With increased horsepower and bold styling changes the motorcycle later earned the nickname of Knucklehead due to the shape of its rocker covers. If you check out the video at the bottom of this article you will hear that the engine. Harley-Davidson pulled ahead of Indian in 1936 with the introduction of its first overhead valve V-Twin.

The bore of this engine is 375 inches and the stroke is four inches. 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 1936 Harley-Davidson introduces the EL an overhead valve 61 cubic inch pwered bike.