Harley-davidson Motor Company Group, LLC

Harley-davidson Motor Company

Scott A Koerner

Brian E Healy

Michael S Carlin

Terry J Rumpel

Jesse L Dees

Matt G Hoffmann

Rick W Elchert

Stephann E Balthazar

Scott B Cain

Nicolae Glaja

Dan M Sepic

Charles Zellner

Thomas Carl

A signal conditioning module for a wide-band oxygen sensor and methods of installing the same. One signal conditioning module includes an electronic processor, a first electrical coupling, and a second electrical coupling. The first coupling is configured to be coupled to a port of an electrical harness. The power is configured to receive an electrical coupling of a narrow-band oxygen sensor signal for providing power to the narrow-band oxygen sensor. The second coupling is configured to be coupled to the wide-band oxygen sensor. The electronic processor receives power over the first coupling, powers the wide-band oxygen sensor over the second coupling using the received power, receives first data over the second coupling from the wide-band oxygen sensor, converts the first data to second data, and outputs the second data over the first coupling to the electrical harness for transmission to an electronic control unit coupled to the electrical harness.

Signal conditioning module for a wide-band oxygen sensor

A cylinder head for a motorcycle engine in which the cylinder head includes an intake side including an intake passage and an intake valve movably disposed within the intake passage, and an exhaust side including an exhaust passage and an exhaust valve movably disposed within the exhaust passage, the exhaust side being positioned remote from the intake side. A cooling liquid inlet port and a cooling liquid discharge port are located on the intake side. A cooling liquid passage runs through the cylinder head to reduce an operating temperature of the cylinder head.

Cylinder head cooling system

A cylinder head for a motorcycle engine, which has a pair of cylinders arranged in a 'V' configuration such that the cylinders converge toward a crankshaft axis and such that a space is defined between the cylinders at an upper extent of each of the cylinders. The cylinder head includes a base configured to be coupled to one of the cylinders, an intake side including an intake passage and an intake valve movable disposed within the intake passage, the intake side being positioned adjacent the space, and an exhaust side including an exhaust passage and an exhaust valve movable disposed within the exhaust passage, the exhaust side being positioned remote from the space. A cooling liquid inlet port and a cooling liquid discharge port are located on the intake side. A cooling liquid passage runs through the cylinder head to reduce an operating temperature of the cylinder head.

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Allenton, WI, United States of America

Scott A Koerner