300L DTS 20 inch 2021 Mercury Marine® Pro XS® 300 Pro XS - Outrun everything! Run with the motor that continues to win while establishing new standards for performance. Competitive anglers powered by Pro XS® outboards have won more bass fishing tournaments than all other brands combined. With lightning-quick acceleration, blistering top speed, legendary reliability, and lightweight design, Pro XS has everything you need to travel farther, faster, and harder. ENGINE DETAILS An unmatched combination of speed, fuel economy and low cost of ownership. Great for bass and multi-species fishing boats.