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1.Remove spark plug lead.
2.Remove air cleaner cover.
3.Remove muffler cover screw and muffler cover (A).
4.Remove 2 engine cover screws and engine cover (B).
IMPORTANT
DO NOT use a metal scraper to remove dirt from the cylinder fins.
5.Use brush to remove dirt from the cylinder fins.
6.Remove grass and leaves from the grid between the recoil starter and fuel tank.
7.Assemble components in reverse order.
A
B 
exhaust system
Spark Arrestor Screen
Level 2.
Tools Required: Cross Head Screwdriver, Soft Metal Brush, 4 mm Hex Wrench
Parts Required: Spark Arrestor Screen, Gasket