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133-1486 is a timer base for 185 HP Johnson/Evinrude 1977-78 models. Helps restore accurate spark timing on compatible outboard applications.
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Part #: 133-1486
Evinrude185 HPTimer BaseWeight: 2 lb
4.0 / 5  (31 votes)
133-1486 is a timer base for 185 HP Johnson/Evinrude 1977-78 models. Helps restore accurate spark timing on compatible outboard applications.
List Price: $370.39
Your Price: $337.10
Normally In Stock

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

Replaces OEM#'s

581486

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

  • Marine-grade sealed construction
  • Supports dependable throttle response
  • Vibration-resistant electronic components
  • Precision ignition timing synchronization

Common Symptoms of a Failing Timer Base

  • Erratic spark timing behavior
  • Hard starting conditions
  • Intermittent ignition timing issues
  • 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.