1979 V6 150-235 HP Johnson Outboards Service Repair Manual P/N JM-7910, Page 38Get this manual

1979 V6 150-235 HP Johnson Outboards Service Repair Manual P/N JM-7910, Page 38

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InstaH automotive fuel testing gauge in the fuel line between the fuel outlet and the inlet hoseSee Figure 3-32 Make sure the fuel filters cleanSee paragraph "Fuel and Filter the engine at fuH throttl