From Ole Evinrude’s humble 1.5 hp motor to today’s 600 hp V12 beasts, outboard engines have transformed into high-tech, ultra-reliable powerhouses. Advances like steerable gearcases, two-speed ...

Diesel-fueled engines have long attracted boaters with the prospect of great efficiency, range, durability, torque and safety thanks to the low volatility of this fuel. With few exceptions, however, ...