Mercury - Quicksilver 832075A21 Ignition Stator Assembly Mercury & Mariner 30-125HP 2-Stroke Outboards 832075A21. Overview. A strong, steady spark is what keeps a two-stroke running crisp and clean. The Quicksilver 832075A21 Ignition Stator Assembly restores reliable ignition performance in Mercury and Mariner 30-125HP 2-stroke outboards, giving you smooth starts, consistent idle, and dependable power at any throttle.. This is the same stator Mercury installs at the factory - a complete assembly