1211. Maintenance1) MAINTENANCE CHARTBefore Every EveryItems Action Use 25 hours 100 hours NoteLeakage, Check ✔ ✔ ✔Damage/CrackIdling Speed Check/Adjust ✔ ✔ ✔Spark Plug(gap) Check/Adjust ✔ ✔ Replace if necessaryCylinder(barrel) Check/Cleaning ✔ ✔ ↑Piston, Ring Check/Cleaning ✔ ✔ ↑Muffler & Bolt Check/Cleaning ✔ ✔ ✔ ↑Bearings Check/Cleaning ✔ ✔ ↑Crank Shaft Check/Alignment ✔ ↑Rotor Check ✔ ✔ ↑Water Jacket Check/Leakage ✔ ✔ ✔ ↑