Harley Davidson Engine Knuckle

This engine is known as Knucklehead Knuckle Head due to its characteristic contours of the rocker arm bearing on the cylinder head.
Harley davidson engine knuckle. Finished in a unique and striking color combination. Offered from the Wheels Through Time Museum. Browse Harley-davidson Knucklehead Engines Motorcycles.
With increased horsepower and bold styling changes the motorcycle later earned the nickname of Knucklehead due to the shape of its rocker covers. The car looked really nice but you could barely see the engine. Here is a set of genuine original Harley-Davidson 1937 Knucklehead engine motor cases.
View our entire inventory of New or Used Harley-davidson Knucklehead Engines Motorcycles. The belly numbers are 37-2123 and 37-1530. Leading into the 1936 model year at the Harley-Davidson factory the new 61 OHV project was having teething issues.
Engine and chassis of Harley-Davidsons first OHV Big Twin. 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. Other more complex motorcycle engine designs existed of course but the overwhelming majority of motorcycles on the road were these simpler less complicated.
Harley-Davidson Big Twins The Knucklehead. The factory name for the Knucklehead was the rather more prosaic EL model. 1936-1947 The first v-twin Harley-Davidson engine with overhead valves and a recirculating oil system the Knucklehead got its name from the rocker boxes which are said to resemble a pair of human fists with the knuckles sticking out.
A couple of years ago there was a midget racer with a Drake water cooled Harley Davidson engine for sale. H-D introduced the FL in 1941. It was the third basic type of V-Twin engine used by Harley-Davidson.