emember when two-strokes ruled the waters and pre-fuel injection four-strokes were a leery choice often riddled with chronic carburetor issues? Hint: It was around the same time you threw out your cassettes and started listening to your favorite songs via new-fangled CD’s (which by now have probably ended up at the same dump as your two-stroke). Then along came the clean-burning Yamaha F9.9A. First unveiled in 1984, it was a four-stroke, 232cc 9.9 horsepower engine that, coupled with stricter emission laws, would change the trajectory of engine demands for the decades that followed. Fast forward to
