1979 Johnson Outboards 4 HP Models Service Repair Manual P/N JM-7903, Page 18Get this manual
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SECTION FUEL SYSTEM
3-2 3-2 3-3 3-4 3-5 3-6 3-8 3-9 3-9 3-10 3-10 3-11
SAFETY WARNING
Gasoline is extremely flammabIe and highly explosive under certain conditionsInsur