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117-6H4-21 is an ignition power pack for 50 HP Yamaha 1984-88 2 cylinder models. Manages ignition firing so the engine can run smoothly under load.
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Part #: 117-6H4-21
Yamaha50 HPPower PackWeight: 1 lb
4.0 / 5  (29 votes)
117-6H4-21 is an ignition power pack for 50 HP Yamaha 1984-88 2 cylinder models. Manages ignition firing so the engine can run smoothly under load.
List Price: $684.69
Your Price: $647.95
Normally In Stock

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

Replaces OEM#'s

6H4-85540-20-00, 6H4-85540-21-00

Product Details

Designed for dependable CDI ignition performance, this power pack helps deliver stable spark control and reliable combustion throughout the engine's RPM range.

Heavy-duty molded connectors and sealed circuitry are designed to maintain dependable electrical performance in demanding outboard operating conditions.

Features

  • Sealed epoxy-potted marine construction
  • Supports dependable ignition performance across varying RPM ranges
  • Helps support reliable ignition timing
  • Marine-grade vibration and moisture resistance

Common Symptoms of a Failing Power Pack

  • Sudden ignition failure after warm-up
  • Engine misfire under load
  • Rough idle or hesitation
  • Loss of top-end RPM

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.