Chapter IV Disassembly & Repair
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4-1-2 Low power
(Under the “operation” position)
Improper adjustment of carburetor
Choke-valve handle not opened completely
Wear of cylinder/piston/piston ring
Improper adjustment of valve clearance
Wear or damage of valve seat
Cylinder cooling fin dirty
Motor phase loss & short circuit for some
turn-to-turn of machine winding
(Use new fuel oil of specified quality)
(Disconnect surplus load)
Excessive electrical load