Which spark plug should I use on my machine?

Always use the spark plug recommended in the operating instructions. This will normally be the RCJ7Y. Using the wrong spark plug can damage your engine. If you are not sure, contact your local dealer, listed under Service Locator above.

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McCULLOCH HOW-TO

Welcome to McCulloch’s How-to page, where you will find helpful instruction videos and articles on topics such as lawn care, tree felling, and hedge trimming.
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