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"Light knocking" or "spark exploding" sound can be hear when the
engine overloading. It is normal. Do not worry about that.
If " knocking" or "spark exploding" sound occur at a steady speed
under normal load, change brand of gasoline; if such phenomena still
happen, consult your dealer for help, otherwise the engine may be
damaged.
When the engine is running, continuously "Knocking" or "spark
exploding" sound occurring will damage engine.
"Knocking" or "spark exploding" sound from misusing will not be
within the valid warranty.
PRE-OPERATE…INSPECTION
Summary of Contents for 173cc
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Page 9: ...6 2 Model No MODEL NO FINISHED PRODUCT NO PARTS DESCRIPTION SER NO 170...
Page 31: ...28 XII Parts List and Diagram Assembly Diagram Parts List and Diagram...
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Page 45: ...6 No de mod le No DE MOD LE No DU PRODUIT FINI DESCRIPTION DES PI CES No DE S RIE 170...
Page 67: ...28 XII Liste et sch ma de pi ces Liste et sch ma de pi ces Assemblage Diagramme...
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