Briggs & Stratton — Replace Spark Plugs
Maintenance · Ignition
From a Briggs & Stratton service manual — check it applies to your exact model before use.
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Before you start
- Do not blast clean spark plugs.
Procedure
- Replace spark plugs every 100 hours of operation or every season, whichever occurs first.
- Replace if electrodes are burned away or porcelain is cracked.
- Set spark plug gap at .76 mm (.030") for all models.
- Torque spark plugs to 20 Nm (180 in. lbs.).
Tools required
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Gap .76 mm (.030")
- Torque 20 Nm (180 in. lbs.)
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.