Suzuki DF9.9 Service Kit - 10W40 Ecstar Oil - 2011 to 2013. Complete OEM Service Kit Includes Oil, Gear Lube, and Service Kit 17400-99840 Designed for Suzuki DF9.9 Outboards. The Suzuki DF9.9 Service Kit provides all the essentials for maintaining your 2011-2013 DF9.9 four-stroke outboard. Each kit comes with 1 quart of Suzuki Ecstar 10W40 marine oil, 1 quart of Suzuki gear lube, and the genuine 17400-99840 OEM service kit, giving you a convenient, all-in-one solution for scheduled service.. By