Briggs & Stratton — Add Engine Oil and Fuel
Maintenance · Engine, Fuel Tank
From a Briggs & Stratton operator's manual — check it applies to your exact model before use.
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Before you start
- You MUST properly fill engine with oil before attempting to start generator.
- Do not use unapproved gasoline such as E15 and E85.
- Do not mix oil in gasoline or modify engine to run on alternate fuels.
- Do not fill above the fuel indicator; leave adequate space for fuel expansion.
Procedure
- Move generator outdoors to a flat level surface.
- Loosen the two maintenance cover screws and remove the front side maintenance cover.
- Clean area around oil fill and remove yellow oil fill cap.
- Using oil funnel, slowly pour contents of provided bottle of engine oil into oil fill opening to the point of overflowing.
- Replace oil fill cap and fully tighten.
- Replace the maintenance cover and hand tighten the two maintenance cover screws.
- Clean area around fuel fill cap and remove cap.
- Slowly add unleaded fuel to red fuel level indicator in fuel tank.
- Install fuel cap and let any spilled fuel evaporate before starting engine.
Tools required
- Oil funnel Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Source: Briggs & Stratton operator's 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.