1915 Harley-Davidson Model 11 Twin 3 Speed Engine #6676K
Inventory Number: 5039
First year of the three-speed gearbox and primary case clutch.
It gained a 37% power increase over the 1914 models because of its larger inlet valves and both valve
seats being chamfered at 45° rather than the previous 60°.Harley-Davidson claimed 29 new
refinements in 1915 over its previous year.
This Model 11 Twin is in remarkable original condition with
original Renault grey paint and pin striping.
A remarkable find for a century old machine.