MAINTENANCE
HOW TO CLEAN THE AIR FILTERS
Some engines have two filters, an outer foaro filter around an inner paper filter Clean the air filters every 50 hours If you operate in
dirty conditions service more often
NOTE: Never run the engine with the air filters removed The air filters will help protect the engine against wear For the correct
replacement filter, see the parts list for the engine.
1Remove the two wingnuts from the cover
2 Remove the cover from the air cleaner
3 Remove the two nuts from the filters
4 Remove the filters
5 Clean the inside of the base and the cover with a cloth
6Remove the foam filter (if equipped ). from the paper filter
7If equipped wash the foam filter in a detergent and water
solution To remove the water solution tightly roll the foam filter in a dry cloth Remove the foam filter from the cloth Completely dry the foam filter
CAUTION: Do not wash the filters in gasoline or other solvents that will burn
8Evenly applySAE 30Woil to the dry foam filter
9To clean the paper filter tightly tap the paper filter againsta hard flat surface
10If the paper filter is very dirty replace the filter
11Assemble the air filters with the two nuts
12install the cover Fasten the cover with the twowingnuts
Cover
Foam Fih
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HOW TO CHECK THE MUFFLER
Check the muffler every 50 hours Make sure the muffler is correctly mounted and is not loose If the muffler is wotn or burnt replace
with a new muffler Aworn muffler isa fire hazard and also can damage the engine
If you mount s spark arrestor to the muffler, also check the spark arrestor when you check the muffler If the spark arrestor is worn or damaged replace it with a new spark arrestor See your nearest authorized service dealer for'a spark arrestor
HOW TO CHECK THE SPARK PLUG
1Check the gap of the spark plug with a feeler gauge The correct gap is 0 030"
2For easy starting and good performance replace the spark plug every two years
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