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Frequently Asked Questions

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Carburetor Settings

What are the carburetor settings for my engine?

Proper carburetor adjustment procedure would depend on the Model, Type and Code of your engine. However, initial carburetor adjustment for many of our models is as follows:

  • High Speed or Needle Valve (if equipped): 1-1/2 turns open from seat

  • Idle Valve (if equipped): 1-1/4 turns open from seat

A good source for engine specifications and technical servicing information would be a Briggs & Stratton Briggs & Stratton Repair Manual (Lookup Manual by Engine Model PDF). The correct Repair Manual for your model engine is often listed in your engine's Illustrated Parts List.

Repair Manuals are available for purchase through our websites Authorized Dealer.

Other helpful maintenance and instructional guides such as our Small Engine Care & Repair Manual - #CE8155 can also be ordered through this area.

Your best source of information regarding any engine concern would be a Briggs & Stratton Authorized Dealer. Your Briggs & Stratton Authorized Dealer has all the information relating to Briggs & Stratton warranty information, replacement engines, short blocks, parts, pricing, service/repair, specifications, etc.

For your convenience, we offer three easy ways to locate your nearest Briggs & Stratton Authorized Dealers:

  • Use our website's Service Center Locator.

  • Visit and enter "Lawn Mowers" or "Engines-Gasoline" in the Category search field and your Postal Code in the Location search field.

  • Call the Briggs & Stratton Automated Hotline at (800) 444-7774. This hotline is available 24 hours a day / 7 days a week and features voice recognition technology to assist you in finding the Briggs & Stratton Authorized Dealers in your area. Automated maintenance tips, product information, and FAQs are also offered through voice activated menus.

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