Quicksilver 9844A1 Primer Injector Service Kit for Mercury and Mariner 625HP 2-Stroke OutboardsQuicksilver primer injector service kit is designed for 625hp Mercury and Mariner 2-stroke outboards, including jet drive models, to support consistent cold starting and fuel delivery.Features Compatible with Mercury/Mariner 6/8/9.9/15hp (19911998) and 20/25hp (19872006) 2-stroke outboards; Suitable for use on jet drive outboards; Easy to install with standard shop tools; Helps maintain proper priming and starting performance;