1979 Johnson Outboards 4 HP Models Service Repair Manual P/N JM-7903, Page 55Get this manual

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DISASSEMBLY POWERHEAD three screws, support plate and tainerNote position of retainerSee Section 4

1 Cylinder head screw 2 Cylinder head 3 Gasket 4 Cylinder bIock 5 Crankcase 6 Exhaust pl

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