1971 Johnson 4HP Outboard Motors Service Manual, Page 31Get this manual
spark plug lead being testedthe face of the lead insulation with the grounded' test See Figure 4-13Flashover will apparent wherever the insulation has broken down, due to moisture carbon Figure 4-11Condenser Testing
If the points
good, meter reading will in the green the "Breaker Test" scaleIf reading is in red do not immediately reject the points, but check the test lead connections to make that they tightcontact is necessary of the current used in this testSee Figure 4-12NOTE NEVER FILE POINTS to bring reading within Reject the points if the green ("good") cleaning with trichlorethylene does not give satisfactory reading
Figure 4-13Testing Leads
MAGNETO REASSEMBLY