Starter rope line fits most 4 hp through 50 hp Mercury or Mariner two-cycle outboards (1963 through 1985), 20 hp through 75 hp two-cycle outboards (1986 and newer), 8.9 4-stroke outboards (1995 through 2004), 15 hp 4-stroke outboards (91998 through 2006), 25 hp 4-stroke outboards (1998 through 2005), 30 hp 4-stroke outboards (1999 through 2005) and 40 hp 4-stroke outboards (1998 and newer) with manual start systems or options for manual start groove on flywheel. Also fits 9.9 hp and higher Force outboards (1984 through 1998). The Quicksilver brand is the leader in delivering uncompromising engine oils, parts and accessories to the marine industry for over 65 years. Quicksilver is the premier supplier of Mercury Marine Original Equipment replacement engine parts, oils, and accessories, but also works to serve all Original Equipment brands in the marine and powersports industries. It has earned a loyal following by providing the highest quality products that are tested through some of the most rigorous environments and testing procedures. No aftermarket company comes close to the level of research and design as Quicksilver; buying Quicksilver is buying performance, protection and peace of mind.