1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 231Get this manual

1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 231

COIL and RESISTOR CHECKS SECONDARY RESISTANCE and POLARITY IGNITION OUTPUT and SECONDARY LINKAGE 1se Magneto Analyze (C.91
in primary circuit, pointscoil or condenserdefective di tributor 4If readings are BAD when certain plug wires are lifted
on, check for cracks or car bon tra cks in distributor cap or defective insulation on those plu wires being lifted off DISTRIBUTOR
CONDENSER PERFORMANCE F ollowing facto rs affect condenser performance, and each factor must be considered in making any
conde nser test Breakdowna failure of insu lating material-a dire ct short between metallic lements of condenserThis prevents
an condenser ctionHigh Series Resistanceexcessive resistance in condenser circuit due to broken strands in cond enser lead
or to defective connections Thi will caus burned points and ignition failure upon initial start nd at high speedsCapaci tydetermined
by area of metallj elements and insulating and impregnating materialsFor complete check of condenser, use tester which will