Sierra Timer Base for Johnson/Evinrude Outboards Ignition Repair Parts

The Sierra Timer Base is a replacement ignition timer base (also called a stator timer base or ignition base plate) for Johnson and Evinrude outboard engines. The timer base is part of the ignition system and helps control spark timing, so it supports reliable starting, smooth running and consistent engine performance.

Key Features:

• Aftermarket replacement for worn or failed ignition timer base assemblies on Johnson/Evinrude outboards
• Made for marine ignition service and designed to match the form, fit and function of the original part
• Helps restore proper spark timing when symptoms such as hard starting, misfiring or rough idle point to a faulty timer base
• Backed by Sierra's reputation for marine engine parts

Sierra International has supplied marine replacement parts for outboard, sterndrive and inboard engines for decades. Choose the timer base that matches your engine's application to restore dependable ignition performance.