Harley Davidson Flathead Motor

1947 harley davidson flathead 1947 harley davidson 45 flathead with only 1133 miles since restoration.

Harley davidson flathead motor.

Flathead motorcycles are a type of bike that was a standard for pre war motorcycles in particular us v twins such as harley davidson and indian some british singles bmw flat twins and russian copies thereof. While the flathead lacked the overhead valve finesse of the knucklehead engine it was a solid powerplant that saw service in world war ii proving its stone cold reliability. Harley davidson except in very early models gives a letter designation for each model family. Harley davidson flathead vc engine cases 1931 112 30h 112 30f.

2 motorcycles find harley davidson flathead motorcycles on cycle trader. High compression in the usual hd scheme. The flathead is one of the most important early big twins built by harley davidson this is its story. The harley davidson ul used the tried and tried flathead engine in contrast to the high tech for the time el knucklehead.

Or best offer 39 16 shipping. Harley 45 flathead text and pictures by mark trotta. Wide whites on 16 wheels double seat leather bags triple headlights lots of chrome with pearl white and black paint. Harley davidson flathead motorcycles for sale.

2020 harley davidson sportster roadster engine type. The w series at the time was the newest incarnation of the 45 cubic inch 740 cm3 flathead motor and was developed from the earlier r family 1932 1936 l. Flathead designs have been used on a number of early pre war motorcycles in particular us v twins such as harley davidson and indian some british singles bmw flat twins and russian copies thereof. Needs battery fluids changed possible carb kit.

The cleveland motorcycle manufacturing company produced a t head four cylinder in line motorcycle engine in the 1920s. Harley davidson 1947ul restored flathead with title. With the wall street crash of october 1929 and the resulting great depression harley davidson had already been working on the development of a new engine to replace the aging f head that had served so well but just wasn t going to be able to be competitive against the indian. These rugged reliable v twin engines were easy to maintain and would continue to run even in the worst of tune.

Harley davidson 45 flathead wl wla servi car cylinder set motor engine new 41 brand new. The motor and transmission have been completely rebuilt. Flathead motorcycles have side valve contained within the engine block instead of in the cylinder head as in an overhead valve engine.