Briggs & Stratton — Storage Instructions
Maintenance · fuel system
From a Briggs & Stratton service manual — check it applies to your exact model before use.
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Before you start
- Engines stored any length of time should be completely drained of fuel to prevent gum deposits forming on the carburetor, fuel filter, fuel lines and tank
Procedure
- Remove filter bowl, open shut-off valve and drain tank completely
- Replace filter bowl
- Operate engine until it stops from exhaustion of fuel
- Leave shut-off valve open
Source: Briggs & Stratton service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.