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133-1486 is a replacement timer base used on 150 HP Johnson/Evinrude 1978 models. Supports proper ignition advance and reliable cylinder firing.
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Part #: 133-1486
Evinrude150 HPTimer BaseWeight: 2 lb
4.0 / 5  (15 votes)
133-1486 is a replacement timer base used on 150 HP Johnson/Evinrude 1978 models. Supports proper ignition advance and reliable cylinder firing.
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

Built for harsh marine environments, this timer base supports dependable ignition timing accuracy and consistent CDI trigger operation.

The assembly uses sealed electronic components and vibration-resistant construction to help maintain stable ignition timing performance under demanding marine operating conditions.

Features

  • Supports dependable throttle response
  • Designed for stable CDI timing signals
  • Marine-grade sealed construction
  • Helps maintain accurate ignition advance operation

Common Symptoms of a Failing Timer Base

  • Hard starting conditions
  • Engine hesitation or misfire
  • Ignition timing drift after warm-up
  • Erratic spark timing behavior

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.