The Hard Ride

The Hard Ride is an action movie from 1971. It is about a U.S. Marine. He promises to take care of a dead friend's motorcycle. Then he is threatened by a gang of bikers. The movie was written and directed by Burt Topper. It stars Robert Fuller, Sherry Bain, and Tony Russel.
The soundtrack has a version of "Swing Low Sweet Chariot" on it.