OMC Stern Drives And Motors 1964-1986 Repair Manual., Page 39Get this manual
ENGINE SERVICE
trouble is located in of theand the detailed tests of system must be isolate the causing the problem
TROUBLESHOOTING CHECK
When using this Troubleshooting Check, proceed sequentially through of the tests until uncoveredThen skip the detailed testing procedure and check systemFor example, if, when using the Troubleshooting procedure, the systems, and ignition test OK, but the third test shows the is trouble in the fuel system, proceed the detailed under the Fuel System Troubleshooting in 4
CRANKING SYSTEM TEST