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Figure 31. Spark Plug Gapping
REPLACE SPARK PLUG -
BRIGGS & STRATTON MODELS
Service Interval: Every 100 hours.
Spark Plug Gap: .030” (.76mm)
1. Stop the engine and allow it to cool.
2. Clean the area around the spark plug.
3. Remove the spark plug.
4. Check the spark plug gap. It should be .030” (see
Figure 31).
5. Reinstall the plug into the cylinder head. Torque the
plug to 180 in. lbs (20 N.m.).
CLEAN COMBUSTION CHAMBER -
BRIGGS & STRATTON MODELS
Service Interval: 100-400 hours
In order to maintain emission compliance, we
recommend that after every 100-400 hours of operation
you have an authorized Briggs & Stratton Service Center
remove combustion deposits from the cylinder, cylinder
head, top of piston, and around the valves.