Frequently Asked Questions

Where can I find the electrical schematic or wiring diagram for my engine?

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Small Engine Wiring DiagramsBriggs & Stratton sells electrical components pertaining to the engine only. However, if you’re needing to replace or rebuild parts of the small engine on your lawn mower, snow blower or other outdoor power equipment, the basic schematics or wiring diagrams of our alternator systems wired to a generic piece of equipment are available in our:

In addition to wiring diagrams, these guides also provide information on Alternator Identification information, Alternator Specs, and procedures for the Briggs & Stratton engine replacement with a new engine that utilizes a different style alternator (output connector).

For a more detailed schematic specific to your piece of equipment, your best source of information would be the Original Equipment Manufacturer (OEM). For an alphabetical directory of manufacturers who sell or service Briggs & Stratton powered products for home, commercial, professional, or industrial use, please see our Outdoor Power Product Brands Directory.

Lawn Mower Engine Maintenance & RepairIf you wish to perform any required small engine maintenance or repairs yourself, a good source for engine specifications and technical servicing information would be a Briggs & Stratton Repair Manual (Find Engine Model Number.) The correct Repair Manual for your model engine is often listed in your engine's Illustrated Parts Lists.

For assistance in locating your engine numbers, please visit our How do I identify a Briggs & Stratton engine? FAQ.

Still have questions about your small engine. Contact a your Briggs & Stratton Dealer for assistance.

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User Community

morcho • 4 days ago

can synthetic oil be used in my 8hp Briggs motor bought in 1975 or do I have to use standard 30 weight oil

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