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117-689-21 is a replacement ignition power pack used on 25 HP Yamaha 1984-87 EL, ES, LH, SH 2 cylinder models. Helps restore spark on no-spark or weak-spark applications.
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Part #: 117-689-21
Yamaha25 HPPower PackWeight: 1 lb
4.0 / 5  (34 votes)
117-689-21 is a replacement ignition power pack used on 25 HP Yamaha 1984-87 EL, ES, LH, SH 2 cylinder models. Helps restore spark on no-spark or weak-spark applications.
List Price: $243.29
Your Price: $211.25
Normally In Stock

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

Replaces OEM#'s

689-85540-20-00, 689-85540-21-00, 84872M, 84872T

Product Details

This ignition power pack is engineered to manage capacitor discharge ignition timing and spark sequencing under demanding marine operating conditions.

Marine-grade electronic components and sealed construction help protect the ignition module from humidity, thermal cycling, and continuous engine vibration.

Features

  • Sealed epoxy-potted marine construction
  • Designed for stable spark sequencing
  • High-energy CDI ignition control design
  • Helps support reliable ignition timing

Common Symptoms of a Failing Power Pack

  • Loss of top-end RPM
  • Sudden ignition failure after warm-up
  • Intermittent spark or cylinder drop-out
  • Rough idle or hesitation

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.