Harley Davidson Knucklehead Engine Specs

And the model was called the FL.

Harley davidson knucklehead engine specs. If you check out the video at the bottom of this article you will hear that the engine. We pulled the top end off to see what was inside and the pistons looked. Harley Davidson FL 1200 Type 74 Knucklehead.

53 hp 395 kW 6000 rpm. 1207 cc OHV 45 V-twin Production. Wet Wally Build Time.

Harley-Davidson has produced many engines in its history. Heres a look at the technical evolution of the 61-cu-in. Lil Go Go Shop.

Interesting facts Knucklehead is a word used by enthusiasts to refer to a Harley-Davidson motorcycle engine named after the distinct shape of the rocker box covering for an overhead valve that resembles two knuckles on a clenched fist. It pushes 80 horsepower at 5200 rpm. The original 74ci Knucklehead engine has been fully rebuilt.

This motor has been sitting a long time and the person we got it from knew very little about it. 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. Now nicknamed the Knucklehead for its bulbous rocker boxes surprisingly the new Harley-Davidson big twin was developed in Depression era America.

The owner rebuilt the engine to factory specs and the transmission was subjected to the same treatment. 1947 was also the year that the Harley Davidson introduced Knucklehead to the world. 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.