The DF200A is an "In Line" four-stroke outboard is packed with technology. This four-stroke engine has large displacement, lots of torque and plenty of power. This four stroke engine is a clean runner and certified with a 3-Star Ultra-Low Emission rating from the California Air Resources Board (CARB) and has also met the EPA 2010 standard. So if you want to run with a proven winner, go four-stroke. Go Suzuki.