Tune Up Kit Johnson & Evinrude Outboard | Sierra 18-5006

Tune Up Kit Johnson & Evinrude Outboard | Sierra 18-5006

• Johnson and Evinrude Outboard Tune Up Kit
• Contains points and condenser
• Kit includes (2) 18-5199 condensers and (2) 18-5156 points
• Replaces Johnson/Evinrude 172522
• Replaces Mallory 9-29331

Additional Information

Expert Maintenance with the Sierra 18-5006 Tune Up Kit

Restoring a classic outboard requires precision and high-quality ignition components. Therefore, the Tune Up Kit Johnson & Evinrude Outboard Sierra 18-5006 is the professional choice for vintage motor enthusiasts. This kit is specifically designed to service a vast range of engines from 3 HP to 40 HP produced between 1952 and 1990. Because these older Magneto systems rely on mechanical timing, high-quality replacement parts are non-negotiable. Consequently, the Sierra 18-5006 ensures your vintage motor runs with modern-day reliability.

Technical Excellence in Every Component

First of all, this kit serves as a direct replacement for OEM part number 172522. It contains two sets of high-grade contact points (18-5156) and two premium condensers (18-5199). In addition, these parts are engineered to meet or exceed original equipment specifications. Since Sierra is a leader in marine aftermarket parts, you can trust the durability of their materials. Moreover, the brass and stainless steel hardware resists the oxidation common in humid boat hulls. As a result, you get a consistent, hot spark that simplifies cold starts.

Comprehensive Support for Classic Outboards

Specifically, this kit supports legendary engine models including the 5.5, 6, 7.5, 9.5, and 18 HP variants. Since many of these motors are still in use today, finding reliable ignition parts is vital for their survival. The United Marine/Sierra engineering ensures that the point spring tension is calibrated perfectly. Furthermore, the condensers are sealed tightly to prevent moisture intrusion. Because these components are often replaced together, this "all-in-one" kit eliminates the guesswork of individual part sourcing. Thus, it is an essential item for any outboard restoration project.

Installation Tips for Peak Ignition Timing

Fortunately, installing the Sierra 18-5006 is straightforward for those familiar with Magneto systems. However, you must ensure your point gap is set exactly to the manufacturer's specifications. Usually, this is around .020 inches for most compatible Johnson and Evinrude models. Additionally, you should clean the new contact surfaces with a bit of lacquer thinner before installation. This removes any protective factory oils that might hinder conductivity. Ultimately, a precisely gapped set of points leads to smoother idling and improved throttle response.

The Advantage of Proactive Marine Care

In the long run, replacing your points and condensers prevents frustrating "no-spark" conditions on the water. Since these mechanical parts wear down every time the engine rotates, they are considered consumable items. Therefore, an annual inspection of your ignition system is a best practice for safety. By using the Sierra 18-5006, you provide your engine with the best possible electrical path. Consequently, you can enjoy your time on the water without worrying about ignition failure.

Frequently Asked Questions

Does the Sierra 18-5006 fit 1970s Johnson 9.9 HP motors?

Yes, this kit is highly compatible with the popular 9.5 HP and 9.9 HP models from that era. However, always verify your model number against the Sierra application guide.

What is the correct gap for the points in this kit?

For most Johnson and Evinrude outboards in this range, the points should be gapped at .020 inches. Please consult your specific service manual for exact specs.

Why does the kit include two sets of points and condensers?

Many of the supported outboard models are twin-cylinder engines with dual-ignition Magnetos. Consequently, you need a separate set for each cylinder to ensure balanced firing.

Can this kit replace Mallory or GLM parts?

Yes, the Sierra 18-5006 is interchangeable with Mallory 9-29331 and GLM 72810. It is a versatile solution for various aftermarket needs.