The popular Williams MiniJet 280 tender just got a power boost. From now on, the 9’ 2” tender will come with a 50-hp Rotax Ace engine to give it faster acceleration and better handling, even when it’s loaded with passengers. Existing MiniJet owners can get an upgrade kit if they want to move up from their 45-hp engine. The new version comes with a new dash cluster and a new set of sponsons for better stability. Designed for owners of boats from 38 to 45 feet (and anyone else who wants one), the MiniJet 280 is the smallest in Williams’…