Operating time
Item
Engine oil
Tightening parts
(bolt, nut)
Fuel tank
Throttle lever
Stop switch
Cutting tool
Idle speed
Air cleaner
Spark plug
Cooling air passage and
cylinder fins
Fuel pipe
Gear-case grease
Fuel filter
Valve clearance (intake valve
and exhaust valve)
Carburetor
*1 Perform initial replacement after 20h operation.
*2 For the 200 operating hour inspection, request Authorized Service Agent or a machine shop.
*3 After emptying the fuel tank, continue to run the engine and drain fuel in the carburetor.
Before
operation
refuleling
Inspect/clean
Replace
Inspect
Clean/inspect
Drain fuel
Check function
Check function
Inspect
Inspect/adjust
Clean
Inspect
Clean/inspect
Inspect
Replace
Refill
Clean/replace
Inspect/adjust
Drain fuel
After
Daily
30h
(10h)
27
Before
50h
200h
storage
*
1
*
3
*
2
*
2
*
3
Corres-
ponding P
13
23
25
—
26
—
23
10
19
24
25
26
26
—
25
25
—
26