1978 Johnson 4HP outboards Service Repair Manual P/N JM-7803, Page 4Get this manual
Quality of the image is intentionally reduced!
TABLE OF CONTENTS PAGE PAGE
SECTION POWERHEAD
:CTION FUEL SYSTEM
Description 3-2 Theory 01 Operation 3-2 TroubIe Isolation Chart 3-3 Removal 01 Carburetor and Leal Valv