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17
Periodic maintenance
Item Remarks
Pre-operation
check (daily)
Initial 1
months
or 20Hr
Every 3
months
or 50Hr
Every 6
months
or 100Hr
Every 12
months
or 300Hr
Spark plug
Check condition, adjust gap and
clean. Replace if necessary.
•
Engine oil
Check oil level. •
Replace. • •
Air filter
Clean. Replace if necessary.
•
Fuel filter
Clean fuel drain filter. Replace if
necessary.
•
Valve clearance
Check and adjust when engine
is cold.
•
Fuel line
Check fuel hose for crack or
damage. Replace if necessary.
•
Exhaust system
Check for leakage. Retighten or
replace gasket if necessary.
•
Check muffler screen. Clean/
replace if necessary.
•
Carburetor
Check choke operation.
•
Starting system
Check key start ignition operation.
•
Decarbonisation
More frequently if necessary.
•
Fittings/
fasteners
Check all fittings and fasteners
correct if necessary.
•
Regular maintenance is most important for the best performance and safe operation.