1. Sterndrive Electrical For Sale.
  2. sku: 2706612320031713
  3. CDI 117-6H4-21

CDI 117-6H4-21 Power Pack Cylinder 865369206131 40 50

fits make: Yamaha. year: 1984–1988.

117-6h4-21 Cdi Power Pack For Yamaha 40 / 50 Hp 3 Cylinder 84-88

( Brand: Cdi ), ( Manufacturer Part Number: 117-6H4-21 ), ( Part Type: Hp Cylinder ), ( UPC: 865369206131 )

Review CDI Power Pack Yamaha 40 50 Hp Cylinder fits 1984–1988

Introducing the CDI 117-6H4-21 power pack, an essential upgrade for your Yamaha 40-50 HP outboard motor with cylinder models from 1984 to 1988. This high-performance ignition system replacement brings improved reliability, better fuel efficiency, and smoother engine operation.

The CDI 117-6H4-21 power pack is a complete ignition system, which includes a Capacitor Discharge Ignition (CDI) unit, a coil, and an ignition module. The CDI box utilizes a solid-state design, ensuring a consistent and reliable spark that ignites the fuel-air mixture in the engine's cylinders.

The ignition coil, an integral part of the system, provides the high voltage required to create the spark. With a robust and durable construction, this coil is designed to withstand the demanding conditions of marine use.

The ignition module, the brain of the system, controls the timing of the spark delivery, optimizing engine performance. By precisely controlling the spark, the power pack ensures efficient combustion and improved fuel economy.

The CDI 117-6H4-21 power pack is a direct replacement for the original ignition system, making installation a straightforward process. Simply remove the old ignition components and install the new power pack.

Not only does the CDI 117-6H4-21 power pack enhance performance, but it also extends engine life by providing a dependable and consistent ignition system. This power pack is an investment in the longevity and reliability of your Yamaha 40-50 HP outboard motor.

In summary, the CDI 117-6H4-21 power pack is an essential upgrade for Yamaha 40-50 HP outboard motors with cylinder models from 1984 to 1988. This complete ignition system replacement offers improved reliability, better fuel efficiency, and smoother engine operation. With a solid-state design, robust and durable construction, and easy installation, the CDI 117-6H4-21 power pack is an investment in the performance and longevity of your marine engine.

CDI 117-6H4-21 Power Pack for Yamaha 40-50 HP: Weighing the Pros and Cons

Introduction:

The CDI 117-6H4-21 power pack is a crucial component for Yamaha 40-50 HP outboard motors manufactured between 1984 and 1988. This electronic control unit (ECU) is responsible for ignition system control. In this analysis, we will discuss the advantages and disadvantages of purchasing this power pack to help you make an informed decision.

Pros:

1. Improved Performance: A faulty or failing ignition system can significantly affect engine performance. By replacing the power pack, you can restore optimal ignition system functionality, resulting in improved engine response and overall performance.

2. Fuel Efficiency: A well-functioning ignition system can help improve fuel efficiency. Proper ignition timing ensures that fuel is burned efficiently, reducing unnecessary fuel consumption.

3. Reliability: A new CDI power pack can increase the reliability of your outboard motor. It can prevent potential issues related to misfiring or poor ignition, which can lead to engine damage if left unaddressed.

4. Cost-Effective Solution: In some cases, rebuilding or repairing the existing ignition system might be more expensive than purchasing a new power pack. A replacement power pack can be a cost-effective solution, especially for older engines.

Cons:

1. Cost: While a new power pack can be a cost-effective solution compared to rebuilding or repairing the existing ignition system, it may still be a significant investment for some.

2. Installation Complexity: Installing a new power pack can be a complex process, especially for those without experience in outboard motor maintenance. It may require specialized tools and knowledge.

3. Availability: Depending on the supplier, availability of the CDI 117-6H4-21 power pack may be limited. This could result in longer wait times for shipment or delivery.

Conclusion:

The CDI 117-6H4-21 power pack is an essential component for Yamaha 40-50 HP outboard motors from 1984 to 1988. While it may come with an initial investment and installation complexity, the benefits of improved engine performance, fuel efficiency, and reliability make it a worthwhile consideration. If you're experiencing issues with your ignition system, consider purchasing a new power pack as a cost-effective solution to keep your outboard motor running smoothly.

Recommendation:

If you're experiencing issues with your Yamaha 40-50 HP outboard motor's ignition system, we recommend considering a new CDI 117-6H4-21 power pack as a solution. Ensure that you purchase the power pack from a reputable supplier to guarantee its authenticity and compatibility with your motor. If you're not comfortable with the installation process, consider seeking the assistance of a professional mechanic to ensure proper installation and optimal engine performance.

Details:

CDI Power Pack for Yamaha 40 / 50 Hp 3 Cylinder 84-88, OE#: 6H4-85540-21-00.

part #: 1176h421 prices

  • $229.99-$849.97

specifications steelectr:

  • for makes: Yamaha
  • for years: 1984-1988
  • brand: Cdi
  • mpn: 117-6h4-21
  • part type: Hp Cylinder
  • upc: 865369206131

shipping steelectr:

  • type: Fixed
  • cost: $0.00
  • class: Expedited
  • transit: 3-8 Days
  • service: USPS Priority Mail
  • carrier: USPS

seller steelectr:

  • # reviews: 51
  • rating: 100.0%
  • city: Hauppauge, New York

offer steelectr:

  • quantity: 1
  • started: July 30, 2025
  • sold: 0
  • availability: In Stock
  • options: Ship-to-home

returns steelectr:

  • time: 30 Days
  • policy: Returns Accepted
  • paid by: Seller

general steelectr:

  • Boat Parts > Sterndrive Motors Components > Electrical Systems
  • condition: New

payments steelectr:

  • wallet: Apple-pay
  • credit card: Visa
  • other
for makes: yamaha, for years: 1984-1988, part type: hp cylinder,
category: boat parts > sterndrive components > electrical systems, sku: 2706612320031713,
Cdi 117-6H4-21 Is Similar To:
steelectr logo
5 offers $229.99–$849.97 USD
  • Used. Offer #1 priced at $229.99 + $9.42 shipping estimate = $239.41* total. Works great, tested.+$9.42 shipping
  • New. Offer #2 priced at $712.09 + $0.00 shipping estimate = $712.09* total. FREE SHIPPING
  • New. Offer #3 priced at $849.97 + $0.00 shipping estimate = $849.97* total. Yamaha L 40 1987. YAMAHA 40 / 50 HP 3 CYLINDER 84-88.FREE SHIPPING
  • New. Offer #4 priced at $574.99 + $0.00 shipping estimate = $574.99* total. Wholesale Marine. Cincinnati, OH 45246.FREE SHIPPING
  • Used. Offer #5 priced at $249.99 + $7.00 shipping estimate = $256.99* total. It ll fit many different years and sizes of Yamaha outboards Off a fully running 1988 Yamaha 40hp two stroke freshwater only motor.+$7.00 shipping

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