25
maintenance
Item
Routine
Pre-operation
check (daily)
6 Months /
100 Hours
12 Months /
300 Hours
Crankcase
breather hose
Check hose weather
for cracks or
damage. Replace if
necessary.
x
Cylinder head
Decarbonizes
cylinder head.
More frequently if
necessary.
*
Valve
clearance
Check and adjust
when engine is cold
*
Fittings/
fasteners
Check all fittings
and fasteners.
Correct if necessary.
*
The point where abnormality was
recognized by use
x
(1) Initial replacement of the engine oil is one month or after 20 hours of
operation.
(2) The air filter needs to be cleaned more frequently when using in un-
usually wet or dusty areas.
* Since these items require tools, and technical skills, you should find a
local dealer perform the service.
