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Abnormal Noise Exist When Engine Running
Piston, piston ring or cylinder is worn
Connection rod or piston pin and
piston pin hole are worn
Crankshaft main neck is worn
Metal knocking sound when abnormal
combustion occurs
Too much carbon deposit in
combusting chamber
Clear away carbon deposit
Find a cause and eliminate it
Readjust valve clearance properly
Flywheel is not connected with crank-
shaft tightly
L×W×H
(not including crankshaft
output terminal) (mm)
Single cylinder horizontal,4-stroke, (OHV)
Theoretical Maximum Power
Capacitance discharge type
Spark Plug clearance (Gap)
Valve clearance (cold Engine)
Intake: 0.15 ± 0.02mm
Exhaust: 0.20 ± 0.02mm
Serviced by DR Power
Equipment or authorized
dealer