Model #121700 TO 121799 Official Briggs & Stratton engine

There are a couple of ways to find the part or diagram you need:

• Click a diagram to see the parts shown on that diagram.
• In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.