26
maIntEnancE
Item Routine Pre-operation
check (daily)
6 Months /
100 Hours
12 Months /
300 Hours
Fuel Filter
Clean and replace
us necessary.
x
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
unusually wet or dusty areas.
* Since these items require tools, and technical skills, you should find a
local dealer to perform the service.