The Ultimate Guide to the 1996 Evinrude 50 HP Coil: Troubleshooting, Maintenance, and Replacement

The 1996 Evinrude 50 HP outboard motor is a beloved piece of marine engineering, known for its reliability and performance. However, like any engine, it may face issues over time, particularly with its ignition coil. This component is essential for generating the spark necessary to ignite the fuel-air mixture and power your outboard motor. This comprehensive guide will provide you with everything you need to know about the 1996 Evinrude 50 HP coil, including troubleshooting common problems, maintenance tips, and guidance on sourcing replacements.

Coil Type Compatibility Voltage Notes
Ignition Coil 502890 Evinrude/Johnson 50-135 HP 12V Standard replacement for most models
Sierra 18-5194 OMC Evinrude/Johnson 12V Available in 2-pack, trusted brand
PARTSRUN Marine Coil Evinrude/Johnson 50-135 HP 12V Affordable option with good reviews
WINGOGO Dual Plug Coil Evinrude/Johnson 2.5-200 HP 12V Versatile coil for multiple horsepower

Understanding the Role of the Ignition Coil

The ignition coil is a critical component of the ignition system in your 1996 Evinrude 50 HP outboard motor. Its primary function is to convert the low voltage from the battery into a high voltage, which is then sent to the spark plugs. This high voltage creates a spark that ignites the fuel-air mixture in the engine’s cylinders, enabling combustion and ultimately propelling your boat.

Common Symptoms of a Faulty Coil

Identifying problems with your ignition coil early can save you time and money. Here are some common symptoms to watch for:

  • No Spark: If your engine won’t start or has trouble idling, your ignition coil may be the issue.
  • Sputtering Engine: A failing coil can cause misfiring, leading to an unstable engine performance.
  • Poor Fuel Economy: If your outboard is consuming more fuel than usual, it might be struggling to ignite the fuel mixture efficiently.

Troubleshooting the Ignition Coil

When troubleshooting the ignition coil, follow these steps to diagnose potential issues:

Step 1: Visual Inspection

Begin with a thorough visual inspection. Look for any signs of physical damage, such as cracks or corrosion on the coil and wiring. Check that all connections are secure and free from rust.

Step 2: Testing with a Multimeter

Using a multimeter, you can test the resistance of the ignition coil. Disconnect the coil from the engine and measure the resistance across the primary and secondary terminals. Compare your readings with the specifications found in the service manual.

Step 3: Swap and Test

If you have access to a known good coil, consider swapping it out temporarily to see if the problem persists. If the engine runs smoothly with the new coil, it confirms that the original coil is faulty.

Replacing the Ignition Coil

If troubleshooting reveals that your ignition coil is faulty, it’s time to consider replacement. Here’s how to go about it:

Step 1: Gather Tools and Parts

You will need:
– A new ignition coil (options include those from dean.dreferenz.com or projectswithjason.com)
– Basic hand tools (screwdriver, socket set)
– Safety equipment (gloves, goggles)

Step 2: Disconnect the Battery

Before beginning, ensure your battery is disconnected to prevent any electrical shock.

Step 3: Remove the Old Coil

Carefully remove the old ignition coil from its mounting. Take note of the wiring connections, as you will need to replicate them on the new coil.

Step 4: Install the New Coil

Attach the new ignition coil, ensuring that all connections are secure. Reconnect the battery and start the engine to test.

Maintenance Tips for the Ignition Coil

Regular maintenance can extend the life of your ignition coil and improve engine performance. Here are some best practices:

  • Regular Inspections: Periodically check the ignition coil and connectors for signs of wear and tear.
  • Clean Connections: Use electrical contact cleaner to keep connections clean and free from corrosion.
  • Proper Storage: If your boat will be idle for an extended period, ensure that it is stored properly to prevent moisture buildup.

Technical Features of the 1996 Evinrude 50 HP Coil

Feature Details
Coil Type Standard ignition coil
Voltage 12V
Compatibility Evinrude/Johnson 50-135 HP
Common Replacements 502890, 584632, 582160
Typical Lifespan 5-10 years (depending on usage)
Average Cost $30 – $100 (varies by brand and source)

Related Video

Conclusion

The ignition coil is a vital component of the 1996 Evinrude 50 HP outboard motor that can significantly impact performance. Understanding its role, recognizing symptoms of failure, and knowing how to troubleshoot and replace it can keep your boat running smoothly for years. Regular maintenance and timely replacements will ensure that your outboard engine remains reliable on the water.

FAQ

What is an ignition coil?
An ignition coil is an electrical device that converts the battery’s low voltage into the high voltage needed to create a spark in the ignition system of an internal combustion engine.

How do I know if my ignition coil is faulty?
Common signs of a faulty ignition coil include no spark when starting the engine, sputtering or misfiring during operation, and decreased fuel efficiency.

Can I replace the ignition coil myself?
Yes, replacing the ignition coil is a straightforward process that can be done with basic tools and mechanical knowledge. Follow the steps outlined in this guide for a successful replacement.

Where can I find a replacement ignition coil for my 1996 Evinrude 50 HP?
Replacement coils can be sourced from marine supply stores, online retailers, or specialized websites like marineengine.com or forums.iboats.com.

How often should I replace the ignition coil?
Typically, ignition coils last between 5-10 years, but it’s essential to monitor performance and replace them if any symptoms of failure arise.

What tools do I need to replace the ignition coil?
You will need basic hand tools such as screwdrivers and socket sets, as well as safety equipment like gloves and goggles.

Can a faulty ignition coil affect fuel consumption?
Yes, a faulty ignition coil can lead to incomplete combustion, resulting in higher fuel consumption as the engine struggles to maintain performance.

What are the common brands of ignition coils for Evinrude outboards?
Popular brands include Sierra, PARTSRUN, and WINGOGO, among others, which offer reliable replacement options for your outboard motor.

Is it worth upgrading to a high-performance ignition coil?
Upgrading to a high-performance coil can improve engine efficiency and performance, especially if you use your outboard for high-demand activities.

What should I do if my outboard still won’t start after replacing the ignition coil?
If replacing the ignition coil does not resolve the starting issue, further troubleshooting may be required. Check other components in the ignition system, such as spark plugs, wiring, and the battery.