Harley Davidson Knucklehead Engine 1936 - 1947

The legendary Engine set standards for decades to come. its a masterpiece and a symbol for ingenuity
Evolved in times where you really had to invent... this section is currently updated to present more accurate evolution of the Knucklehead engine.

Knucklehead Engine by the year

Early 1936

1937 - 40

1941 - 47

Knucklehead Engine parts...

Moving Parts

Cases

Connecting Rods

Fly Wheel

Heads

Cylinders

Lifters

Rockers

Pushrods

Camshaft and Gears

Timing

Oil Pump

Oil Pressure

Carburetor

Spark Plugs

Cam Cover