Briggs & Stratton 150Z Series manual Replace Spark Plug, Pre-Cleaner Service

Pre-Cleaner Service

NOTE: Replace a worn or damaged pre-cleaner.

1.Figure 30. Wash the pre-cleaner in liquid detergent and water.

2.Squeeze the pre-cleaner dry and saturate with engine oil. Remove all excess oil by squeezing the pre-cleaner in an absorbent cloth.

Air Filter Service

NOTE: Replace a worn or damaged air filter.

Pre-Cleaner

1.

2.

Air Filter

1.

2.

1.Figure 30. If stamped “Washable,” the filter can be washed with warm water and mild soap.

2.Rinse with tap water with the screen side UP allowing dirt and debris to filter out.

3.Allow the filter to dry overnight before reinstalling.

Figure 30. Air Filter Service

REPLACE SPARK PLUG

Service Interval: Yearly

Replacement Spark Plug: 5066

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.).

Figure 31. Spark Plug Gapping

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