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TOPIC: switch box weak spark 1981 50 hp

switch box weak spark 1981 50 hp 12 years 3 weeks ago #71065

  • otto
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:( I am testing out a 1981 50 hp merc on my 1960 glassmagic playmaster, turns over fine,good compression It does not fire, weak spark,I did ohms test on the coils, trigger circuit,and stator. I am leaning towards replacing the switch box but I want to make sure. how do you test this
I also have a 1968 50 hp merc, has 90 psi compression in #. , 1,2 cly. and only 60 psi in #3, cant fit the gauge down in there to test #4.also the e cable from the control is rotten. I may give up on this one for now ,the 1981 has more potential.

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Re:switch box weak spark 1981 50 hp 12 years 3 weeks ago #71236

  • otto
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:) I replaced the box and now i have a good spark

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Re:switch box weak spark 1981 50 hp It smokes 12 years 2 weeks ago #71444

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testing out 1981 50 hp on a 1960 glassmagic playmaster special, custom royal, majestic queen of runabouts. it runs great with the new power pack. 45* a little cold out but I couldnt wait till next season. It smokes, exhaust gas coming out motor support hole below power head on the outside,could it be could it be a gasket or seal between the power head and driveshaft housing?
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Re:switch box weak spark 1981 50 hp It smokes 12 years 2 weeks ago #71445

  • otto
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testing out 1981 50 hp on a 1960 glassmagic playmaster special, custom royal, majestic queen of runabouts. it runs great with the new power pack. 45* a little cold out but I couldnt wait till next season. It smokes, exhaust gas coming out motor support hole below power head on the outside,could it be could it be a gasket or seal between the power head and driveshaft housing?
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