Briggs & Stratton 550EX Auto-choke Adjustment, How Auto-choke Works

How to adjust the auto-choke on a 550EX Briggs & Stratton Lawnmower. Simple guide for checking if the auto-choke is working properly, and how to adjust the choke arm length. Also works similarly on other models like Hyundai HM2060 and other Models. Amazon Affiliate Links *DOUBLE CHECK Fitment with Your Mower!* Muffler (Including Auto-Choke Mechanism): https://amzn.to/44boRZq Small Engine Tachometer: https://amzn.to/4a7VUgv As an Amazon Associate I earn from qualifying orders. The automatic choke system on a 550EX Briggs engine is thermally driven and is connected directly to the muffler. When the lawnmower heats up, the choke system pushes the butterfly on the carburetor open, and when it cools down, the butterfly is allowed to close again. ⚠️ DISCLAIMER: Use of the information in this video is solely at your own risk. The creator of this video assumes no liability for any property damage, injury or expenses incurred as a result of any of the information contained in this video. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. The creator of this video makes no claims, promises or guarantees about the accuracy, completeness, or applicability of the procedures and instructions contained in this video. Any injury, damage, or loss that might occur as a result of improper application, improper use of tools or equipment, or from the information contained in this video, is solely the responsibility of the user. Video filmed with a Remington 550EX Lawnmower.