Briggs & Stratton 2691184-00 Operator's Manual page 23

MODEL: XXXXXX
TYPE: XXXX XX
CODE: XXXXXXXX
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Check Spark Plug Gap
Use a spark plug feeler gauge to check the gap between the
two electrodes. When the gap is correct, the gauge will drag
slightly as you pull it through the gap.
If necessary, use the spark plug gauge to adjust the gap by
gently bending the curved electrode without touching the
center electrode or the porcelain.
Install Spark Plug
Finger tighten, then tighten with wrench.
• 180 in-lbs (20 Nm), OR
• 1 /2 turn when reinstalling the original spark plug.
1/4 turn when installing a new spark plug.
Figure 12
.030˝
(0.76 mm)
23