Specs for an S&S 117 Engine

by TS Jordan; Updated September 29, 2017

The S&S 117 is a motorcycle engine designed for custom builds. Purchasing and building your own motorcycle is a demanding endeavor, so ensure that you have fully researched the specifications of the 117 engine before making a purchase. This allows you to avoid buyer's remorse down the line.

Displacement and Cylinder Angle

The displacement of the S&S 117 is, as its name suggests, 117 cubic inches. The cylinder angle of the S&S 117 is 56.25 degrees.

Bore, Stroke, and Compression

The bore of the S&S 117 is 4 1/8 inches. The stroke of the S&S 117 engine is 4 3/8 inches. The compression ratio of the S&S 117 is 9.75-to-1.

Fuel and Ignition

The fuel system of the S&S 117 is a single-bore system with a closed loop design. The ignition is VFI design with knock sensing, allowing the engine to self-modulate in the event of knocking.

About the Author

TS Jordan is an Ohio licensed attorney living and practicing out of the Cleveland area. In addition to his Juris Doctorate, he holds a Bachelors' Degree in Information Systems. He has been writing professionally for less than a year.

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