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For 300 HP Johnson/Evinrude 1988-95 models, 133-3531 is a timer base. Used when timing signal problems cause misfire, hard starting, or poor acceleration.
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Part #: 133-3531
Evinrude300 HPTimer BaseWeight: 2 lb
3.0 / 5  (13 votes)
For 300 HP Johnson/Evinrude 1988-95 models, 133-3531 is a timer base. Used when timing signal problems cause misfire, hard starting, or poor acceleration.
List Price: $589.09
Your Price: $536.05
Normally In Stock

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

Replaces OEM#'s

583531

Product Details

This timer base assembly is engineered to provide accurate ignition timing synchronization and dependable trigger signal generation throughout the engine's RPM range.

Marine-grade insulation materials and sealed trigger components help protect the timer base from humidity, heat cycling, and electrical interference.

Features

  • Designed for stable CDI timing signals
  • Precision ignition timing synchronization
  • Vibration-resistant electronic components
  • Marine-grade sealed construction

Common Symptoms of a Failing Timer Base

  • Ignition timing drift after warm-up
  • Engine hesitation or misfire
  • Intermittent ignition timing issues
  • RPM instability under acceleration

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.