Johnson Outboard Ignition System

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Parts Selection Guide

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Prop Selection Guide

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      • Champion QL78YC Spark Plug
        $3.99

        Champion QL78YC Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion QL78YC Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. It has been built to...

        Add to Cart
      • Champion QL77JC4 Spark Plug
        $3.99

        Champion QL77JC4 Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion plug QL77JC4 features a copper core electrode that provides increased conductivity and heat control for good overall wear. It has been built to...

        Add to Cart
      • Johnson / Evinrude Outboard Ignition Coil
        $28.99

        CDI 183-2508 Johnson Evinrude Ignition Coil 2 Tower 1-8 Cylinder CDI Electronics provides superior ignition and diagnostic solutions to the marine industry. CDI delivers superior product quality and reliability, making them a cost-effective alternative...

        Add to Cart
      • Sierra 18-5176 Ignition Coil Replaces 0584561
        $32.99

        Sierra 18-5176 Ignition Coil Kit for Johnson & Evinrude Outboard Engines Sierra replacement ignition coil for use with Johnson/Evinrude Outboards. Sierra high-quality engine parts are designed to meet OEM specifications. Interchangeable...

        Add to Cart
      • Champion QC12PEP Spark Plugs
        $7.49

        Champion QC12PEP Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion QC12PEP Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine...

        Add to Cart
      • Sierra 18-5231-1 Wiring Plug Replaces 0582365
        $11.49

        Sierra 18-5231-1 Spark Plug Wire for Johnson/Evinrude Outboards Sierra replacement spark plug wire for use with Johnson/Evinrude Outboards. This 9" wire features a Kevlar core for maximum durability and a premium silicone jacketing and boots for the...

        Add to Cart
      • Sierra 18-5179 Ignition Coil Replaces 0582508
        $26.99

        Sierra 18-5179 Ignition Coil for Johnson/Evinrude Outboards Sierra replacement ignition coil for Johnson/Evinrude Outboards. Sierra marine engine components are manufactured to meet or exceed OEM requirements. Used on most Johnson and Evinrude Outboard...

        Add to Cart
      • Sierra 18-8816-1 Spark Plug Wire 6" Replaces 0582365
        $13.99

        Sierra 18-8816-1 Premium 6" Spark Plug Wire for Johnson/Evinrude (Sold Each) Sierra replacement spark plug wire for use with Johnson/Evinrude Outboards. Sold individually. Corrosion resistant  Kevlar core for maximum durability and long...

        Add to Cart
      • Champion L77JC4 Spark Plugs
        $2.49

        Champion L77JC4 Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion L77JC4 Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

        Add to Cart
      • Champion QL82C Spark Plugs
        $3.99

        Champion QL82C Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion QL82C Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

        Add to Cart
      • Champion UL77V Spark Plugs
        $5.99

        Champion UL77V Marine Spark Plug Champion marine spark plugs are quality OEM replacements. The Champion UL77V Spark Plug features a copper core electrode that provides increased conductivity and heat control for good overall wear. These marine spark...

        Add to Cart
      • NGK DPR6EA-9 Spark Plug
        $2.99

        NGK DPR6EA-9 Spark Plug NGK Standard Spark Plugs are proven technology that offer reliable performance. Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. The solid copper core offers superior...

        Add to Cart
      • Sierra 18-5181 Ignition Coil Replaces 802371A1
        $20.99

        Sierra 18-5181 Ignition Coil Sierra high-quality engine parts are designed to meet OEM specifications. Replacement ignition coil for Johnson/Evinrude and Mercury Outboards. Primary Resistance: .09 ± 10 ohms Secondary Resistance: 10 ±...

        Add to Cart
      • NGK BR7HS Spark Plug
        $2.99

        NGK BR7HS Spark Plug NGK Standard Spark Plugs are proven technology that offer reliable performance. Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. The solid copper core offers superior heat...

        Add to Cart
      • Johnson / Evinrude Outboard Ignition Coil
        $26.99

        CDI 183-4477 Johnson/Evinrude Magneto Ignition Coil CDI Electronics provides superior ignition and diagnostic solutions to the marine industry. CDI delivers superior product quality and reliability, making them a cost-effective alternative to...

        Add to Cart
      • NGK BR6HS Spark Plug
        $2.99

        NGK BR6HS Spark Plug NGK Standard Spark Plugs are proven technology that offer reliable performance. Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. The solid copper core offers superior heat...

        Add to Cart
      • Johnson Evinrude CD2 No Limit Power Pack
        $72.99

        CDI 113-2453 Johnson Evinrude Power Pack CD2 No RPM Limit Power packs are an important part of the ignition system and control the timing of ignition functions on outboard motors. A faulty ignition switch can lead to improper firing and can cause the...

        Add to Cart
      • Johnson / Evinrude Outboard Ignition Coil
        $42.49

        CDI 183-3740 Johnson Evinrude Dual Output Ignition Coil CDI Electronics provides superior ignition and diagnostic solutions to the marine industry. CDI delivers superior product quality and reliability, making them a cost-effective alternative to...

        Add to Cart
      • NGK BUZ8H Spark Plug
        $9.99

        NGK BUZ8H Spark Plug NGK Standard Spark Plugs are proven technology that offer reliable performance. Standard spark plugs are treated with corrosion-resistant plating to ensure ease of installation and removal. The solid copper core offers superior heat...

        Add to Cart

      Johnson OEM Engine Parts Finder

      Johnson Outboard Ignition Systems

      Thirty years ago when an engine refused to start, a cranky ignition was likely the cause. Today with electronic ignition systems, it is fairly easy to troubleshoot a startup problem and should the spark plugs prove to be the culprit, a quick fix. If your engine is missing, mis-firing, or just will not start, follow these steps to troubleshoot. This way you’ll know if the issue is minor or requires more investigation by a skilled marine technician.

      Here is an engine overview. For Johnson outboard ignition systems to run, the requirements are compression, fuel and spark. Sound motor function is determined by compression, the air/gas/pressure induced explosion that occurs in the pistons must be sufficient to turn the propeller. For this to work the fuel lines must not be clogged and the fuel injectors or carburetors are fully-functional. Spark from the spark plugs provides the catalyst that produces engine power.

      How to Troubleshoot Johnson Ignition Systems

      To troubleshoot the ignition system, start with the spark plugs. Use a spark plug socket, ratchet and extension to test the plugs. To begin, remove just one plug. Inspect the plug tip and notice if it is soaked with oil or fuel. If wet, this indicates a fuel line issue. If dry, note the color and condition of the plug tip. Tips that are blistered or melted mean the wrong plug has been used. Check your owner’s manual to determine the right plug for your Johnson outboard ignition system, simply give us a call, and we’ll be glad to assist.

      Wholesale Marine provides everything boaters need for their vessels equipped with Johnson outboard ignition systems. We offer is same-day, flat rate shipping on most items and a lowest price guarantee, tool. Join our Loyalty Program and use the points toward any future purchases. We’re here to take your call Monday through Friday from 9:00 AM until 6:00 PM EST at (877) 388-2628.