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To ensure safe use of the engine, make sure of the items specified in the table below.
MAINTENANCE
Cylinder, carburetor, muffler,
Leakage & breakage ✔✔✔
crankcase, Fuel pipe, etc.
Idling stability ✔✔✔Is it stable? Is acceleration okay?
Sparkplug – ✔✔Remove deposit; adjust air gap
Cylinder – ✔✔Check for wear & scratches
Piston/Ring – ✔✔Check for wear & scratches
Muffler tightening bolt ✔✔✔Retighten
Ignition unit ✔✔✔Check for damage
Check for damage to screws
Propeller hub (Stud) ✔✔✔
& for deformation
Crankshaft ––✔ Check alignment
Check for dislocation, cracks,
DC unit wiring ✔✔✔
wear, rattling, etc.
Stud/Nut ✔✔✔Is there any slack or screw damage?
Before
using
Every
25h
Every
100h
Item Inspection