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133-3387 is a timer base built for 40 HP Johnson/Evinrude 1983-2005 models. Helps control ignition timing and cylinder firing position.
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Part #: 133-3387
Evinrude40 HPTimer BaseWeight: 1 lb
3.0 / 5  (22 votes)
133-3387 is a timer base built for 40 HP Johnson/Evinrude 1983-2005 models. Helps control ignition timing and cylinder firing position.
List Price: $87.49
Your Price: $61.40
Normally In Stock

In Stock items ship same day if ordered before 3PM CST (excluding weekends and holidays)

Replaces OEM#'s

583387, 584716

Product Details

Designed for reliable spark timing control, this marine timer base helps coordinate ignition advance events for smoother throttle response and stable engine performance.

Precision pickup circuitry and marine-grade insulated wiring are designed to resist moisture intrusion, corrosion, and continuous engine vibration.

Features

  • Supports dependable throttle response
  • Designed for stable CDI timing signals
  • Precision ignition timing synchronization
  • Helps maintain accurate ignition advance operation

Common Symptoms of a Failing Timer Base

  • Hard starting conditions
  • Intermittent ignition timing issues
  • Erratic spark timing behavior
  • Ignition timing drift after warm-up

Need Fitment Help?

Tell us your brand, horsepower, and part number. We can help verify fitment before you order.

Support PDF files appear on this page when available.