11
Paper filter
element
Blast compressed air from inside or slightly knock it to remove the dust. It
shall be replaced in case of very dirty.
Be careful not to let dust enter the carburetor when wiping off the air filter cover
Reinstall the filter element into the housing and place the housing cover on.
3-4 Spark plug
a) Remove the spark plug cap and clean the debris around the spark plug.
b) Disassemble the spark plug with special socket and handle of the spark plug.
c) Check the spark plug visually, if there is obvious wear or damaged insulator, it shall be
replaced with a new one; if it is still operable, clean it with wire brush.
d) Measure the spark plug clearance with feeler gauge, the proper clearance shall be 0.60-0.80
mm; if adjustment is required, tap (when the clearance is large) it or gently pry up the
electrode with a straight screwdriver (the gap is too small).
Spark
plug
socket
Spark plug cap
