Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 229Get this manual
PRESTOLITE STARTER TEST LEADS
CORRECT
INCORRECT
the brushes are harder than the insulationUndercut the insulation between the commutator bars 132" to the full width of the insulation and flat at the bottomA triangular groove is not satisfactoryAfter the under-cutting work is completed, clean out the slots carefully to remove dirt and copper dustSand the commutator lightly with No00 sandpaper to remove any burrs left from the undercuttingCheck the armature second time on the growler for possible short circuits
Testing for Ground 2- Obtain test lamp or continuity