- stock #biscayne blue hull chaparral 280 osx powered by twin yamaha 250s. ready for the water.for sale is a 2020 chaparral 28 osx. wow, this boat is impressive and ready to hit the water. this listing has all the upgrades and is powered by industry-leading upgraded max horsepower 250 four-stroke yamaha engines.
Chaparral
280 osx
2020
Used
Power