1979 Johnson Outboards 4 HP Models Service Repair Manual P/N JM-7903, Page 70Get this manual
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DISASSEMBLY OF GEARCASERemove propeller Remove the water pump screws and lift pump and driveshaft from gearcaseRemove water tube grommet from pumpSee Figure 6-4
1 Driveshaft 2 Impeller ke