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*1 Perform initial replacement after 20h operation.
*2 For the 200 operating hour inspection, request authorized service center.
*3 After emptying the fuel tank, continue to run the engine and drain fuel in the carburetor.
Operating time
Item
Before
operation
After
lubrication
Daily
(10h)
30h 50h 200h
Shutdown
/rest
Corres-
ponding P
Engine oil Inspect/clean 8
Replace
*1
16
Tightening parts
(bolt, nut)
Inspect
18
Fuel tank Clean/inspect
*3
–
Drain fuel 22
Throttle control Check
function
–
I-O switch Check
function
15
Idle speed Inspect/adjust 13
Air cleaner Clean 17
Spark plug Inspect 17
Cooling air passage and
cylinder fins
Clean/inspect
18
Fuel pipe Inspect 18
Replace
*2
–
Fuel filter Clean/replace 18
Valve clearance (intake
valve and exhaust valve)
Inspect/adjust
*2
–
Carburetor Drain fuel
*3
22
Auger bit Inspect 19
Throttle control cable wire Inspect 19
Transmission Inspect/clean 20
Lubrication 20