Girl Shy
Harold Meadows is a shy, stuttering bachelor working in a tailor shop, who is writing a guidebook, The Secret of Making Love, for other bashful young men. Fate has him meet rich girl Mary, and they fall in love. But she is about to wed an already married man, so our hero embarks upon a hair-raising daredevil ride to prevent the wedding.
Starring Harold Lloyd, Jobyna Ralston, Richard Daniels, Carlton Griffin, Ethel Broadhurst, Sammy Brooks, Billy Butts, Joe Cobb, Jackie Condon, Mickey Daniels
Watch "Girl Shy" on Criterion Channel released in 1924. It's a action & adventure and comedy movie, and has a rating of 7.7 out of 10 from Imdb which is usually fine for this kind of movie.