Mercury - Quicksilver Engine Starter Starting System Marine-Grade Composite Housing 8M6007436. Overview. Anyone who's spent time around personal watercraft knows the moment of truth happens at the start button. You want that engine to fire clean and confident, without hesitation or grinding. This Quicksilver engine starter is one of those parts you trust without thinking twice, whether you're launching at sunrise or squeezing in one last ride before dusk. It delivers the calm assurance that your