Posting on the r/lawncare subreddit, the Redditor documented how they took out the mower's original Honda GX160 engine due to its excessive noise. From there, they "built and converted to a custom ...

Nowadays, the stock engine's gone. Replaced by an overhead-valve single-cylinder Honda GX160. With a much higher power-to-displacement ratio than the stock 70s engine, the modern 5.5-horsepower ...