Briggs & Stratton — Testing for Engine Spark
Testing & diagnosis · Engine ignition system
From a Briggs & Stratton service manual — check it applies to your exact model before use.
Browse Briggs & Stratton generators & specs →
Before you start
- Unintentional sparking could cause fire or electric shock resulting in death or serious injury.
Procedure
- Use approved spark plug tester only.
- Do NOT attempt to test spark with spark plug removed.
- Disconnect spark plug wire from spark plug before servicing.
Tools required
- Approved spark plug tester Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
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.