MAINTENANCE AND REPAIR INSTRUCTIONS
Use a replacement part number 180852 spark plug. The correct air gap is 0.025 in. (0.655 mm.). Remove the plug after every 25 hours of operation and check its condition.
1.Stop the engine and allow it to cool. Grasp the plug wire firmly and pull the cap from the spark plug.
2.Clean dirt from around the spark plug. Remove the spark plug from the cylinder head by turning a 5/8 in. socket counterclockwise.
3.Replace cracked, fouled or dirty spark plug. Set the air gap at 0.025 in. (0.655 mm.) using a feeler gauge (Fig. 56).
0.025 in.
(0.655 mm.)
Fig. 56
CAUTION: Do not sand blast, scrape, or clean electrodes. Grit in the engine could damage the cylinder.
4.Install a
If using a torque wrench torque to:
Do not over tighten.
1.Remove the muffler cover. See Rocker Arm Clearance.
2.With a flat blade screwdriver or Torx
Muffler | Spark Arrestor Screen |
Tab Screw
Spark Arrestor Cover
Slot
Fig. 57
3.Pull the tab on the spark arrestor cover out of the muffler. Remove the spark arrestor cover.
4.Remove the spark arrestor screen from the spark arrestor cover.
5.Clean the spark arrestor screen with a wire brush or replace it.
6.Reinstall the spark arrestor screen, spark arrestor cover and screw.
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