![]() ![]() Tim Reid: The major differences between early four-stroke outboards is the refinement in design to maximize power and minimize weight. Twenty years ago, a 200-hp outboard would've been much larger and likely 100 pounds heavier. Computer-aided engineering capabilities were used then, but the level of detail and time needed to calculate stresses was relatively simple. Few people have as much insight into the past, present, and future of outboard engines.īoatUS: How do four-stroke outboards from 20 years ago compare to 2023 models? David Meeler is the new product introduction manager of the Yamaha Marine Engine Systems. Tim Reid is vice president of product development and engineering for Mercury Marine. To get a sense of how we've come so far, so fast, we spoke with two industry insiders who've surfed the curl of each new tech wave for decades. But few segments of the marine industry have seen more dramatic changes over the past 30 years than outboard engines. Technological evolution in our recreational boating world has been punctuated by seismic events such as motorboats taking off in the 1930s, or the fiberglass hull revolution in the '50s. ![]()
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