Product Manual B

Page 17 of 35
Air Cleaner
Clean
○(1)
○(1)
Replace
○
Sediment Cup
Clean
○
Spark Plug
Check-adjust
○
Replace
○
Spark Arrester
Clean
○
Idle Speed
Check-adjust
○(2)
Valve Clearance
Check-adjust
○(2)
Combustion Chamber
Clean
After every 500 Hrs.(2)
Fuel Tank & Filter
Clean
○(2)
Fuel Tube
Check
Every 2 years (Replace if necessary) (2)
Note:
(1) Service more frequently when used in dusty areas.
(2) We recommend that you see an authorized service center for all maintenance and service of the
engine and engine parts. Use only our genuine parts.
(3) For commercial use, log hours of operation to determine proper maintenance intervals.
Engine Oil
Oil is a major factor affecting performance and service life. Use 4-stroke automotive detergent oil.
Recommended Oil
Use 4-stroke motor oil that meets or exceeds the requirements for API service category SJ or later (or
equivalent). Always check the API service label on the oil container to be sure it includes the letters
SJ or later (or equivalent).
SAE 10W-30 is recommended for general use. Other viscosities shown in the chart may be used
when the average temperature in your area is within the indicated range.