Outboards are cheaper and lighter than inboards. They are frequently fitted to cruising yachts. Cruising catamarans around all over ten metres LOA routinely Use a petrol longshaft engine using a propeller that's bigger and slower-turning than other forms. The key overhauls, which ordinarily happen every year and include, for example, https://judahorole.targetblogs.com/38522925/used-boat-motors-fundamentals-explained