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133-1251 fits 75 HP Johnson/Evinrude 1975-78 models as a timer base. Provides timing input needed for smooth spark advance and engine operation.
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Part #: 133-1251
Evinrude75 HPTimer BaseWeight: 2 lb
4.0 / 5  (27 votes)
133-1251 fits 75 HP Johnson/Evinrude 1975-78 models as a timer base. Provides timing input needed for smooth spark advance and engine operation.
List Price: $369.49
Your Price: $360.80
Normally In Stock

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

Replaces OEM#'s

580970, 581251

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.

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

Features

  • Vibration-resistant electronic components
  • Precision ignition timing synchronization
  • Designed for stable CDI timing signals
  • Helps maintain accurate ignition advance operation

Common Symptoms of a Failing Timer Base

  • Ignition timing drift after warm-up
  • Erratic spark timing behavior
  • Intermittent ignition timing issues
  • Engine hesitation or misfire

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.