The 350 hp Yamaha four-stroke really moved the 255 off the mark quickly, zooming to 30 mph in just more than 10 seconds. With a healthy load of people and gear, the Freedom hit a top speed of 47 mph, burning 34.5 gph. Most noteworthy, however, is the optimum cruise. At 29.2 mph (4,000 rpm), the 255 burned a modest 13.3 gph for a remarkable range of more than 300 miles! That equates to greater than 2 mpg.