1976 Johnson Outboards Service Repair Manual 75 HP Models P/N JM-7612, Page 20Get this manual

1976 Johnson Outboards Service Repair Manual 75 HP Models P/N JM-7612, Page 20

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3-2 DESCRI PTION
AIR INTAKE

upstroke of the piston in the cylinder creates suction that draws air through the throatrestriction in the throatcalled venturi, has the effect of reduci

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