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    Mercruiser 140 (1984) - What started as key no longer turning off boat has evolved into boat not starting at all

    THE Pertronix 1146a in my MCM470 yr 1978 ....you did the no running of the engine , and the ignition key is on it . then the pertronix is the key, is 30-60 seconds , and the damaged the igniter 1146A .... also the ignition coil did the ohm meter ...look up the YouTube ...resistor meter ....
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    No Spark on 1988 4.3 ltr. engine

    so you did of that ignition coil ... OHM METER OF THE RESISTANCE .. YOUTUBE COIL IGNITION .. look it up ...
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    Fuel delivery

    the electrical fuel pump is a bit corrosion and the motor is locked up . also inspect it of the fuel issue components..
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    Fuel delivery

    I was the 3yrs ago , 75 gallons of the gasoline , it is a mess of the gasoline clean it of the tank , gas lines and the engine fuel items ...... the boat is a lot of water inside it and the electrical issues ..
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    Leaking heat exchanger/freshwater cooling end gasket 1994 Mercruiser 4.3 LX V6

    I was the tire air rubber tubes of that gasket .. did the cracking of that rubber ..
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    No Spark on 1988 4.3 ltr. engine

    yes my stone tools in my property .. did the Wamesit Indians ... the arrow heads ,spears and the hammer tools ...
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    Another prop slipping thread

    yes that throttle shifter , and the out of that water boat ,, is the fwd , neutral , and the rev of that prop ... fwr left prop locked up ...neutral spin it good no noise , and the rev prop right locked up ... did several times .... also the engine ignition switch of the shift cable is doing...
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    Another prop slipping thread

    the cable gear in the outdrive .. I was the cable did the rod inside that cable . https://www.wd40.com/products/industrial-size/ the bellows inside the moly grease did the shifter part ... I was take out the fall outdrive and inspect it and cleaned the bellows and do the moly grease and the...
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    No Spark on 1988 4.3 ltr. engine

    the troubleshoot of that ignition coil ......the OHM METTER ...take it of all those wires and do the ohm meter positive ,negative , and the distributor wire .. did the YouTube of the coil troubleshooting ..did the resistance ... I was the electronic tech ...
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    No Spark on 1988 4.3 ltr. engine

    change that ignition coil ....did the resistor ohm meter of that coil ..........
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    Another prop slipping thread

    I was the rusted in the bellows U JOINTS drive shaft in water .. inspect the gasket/bellows ...
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    briefly overheating

    the impeller is around 2-3 yrs .....outdrive impeller ...
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    Another prop slipping thread

    I did the moly grease of the shafts and grease fittings ....bushings .. I did every year .. I was my 4runner I was the moly grease of the drive shafts .. great !
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    Another prop slipping thread

    the boat 19-21 feet ... the gear ratio 1.47 the prop is 14X19 also the 15.75X17 ... boat is the 3000-3500 lbs ....
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    Another prop slipping thread

    you was the on the land of the boat ... do the fwd /neutral/reverse of that prop ... locked it left fwd, right rev .... neutral spin it ... the gear ratio is dropping it today ..prop is the of the gears issue wearing it .. 1.47 ratio
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    Annual Mercruiser Maintenance

    the wiring connectors electronic silicone grease clean it and did the silicone grease connectors .. DID the fall,,,, changed it engine oil, outdrive gear oil , take off the outdrive and inspect it and do the grease shaft and the shifter area ..also the air pressure is outdrive 10psi 24hrs .. I...
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    MR outdrive - no reverse after changing lower shift cable

    the shift cable is fwd drive the barrel and the post is the 6 inches .. look up the shift cable of the youtube ..
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    Ignition problems! Please help

    yes my alternator of the dash is the 13.75 VDC ... did the voltmeter VOM ....
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    Replacement distributor 153ci mercruiser

    I was the Pertronix igniter the auto / boat engines replaced it of the ignition distributor did the Pertronix igniter ... back in the old decades ignition switch ... I was the ignition coil updated it and the Pertronix igniter .. look up the youtube of the Pertronix ,,, engines of the...
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    When my boat is on the trailer, this happens.

    I was the electric pump oil cylinders 2 yrs ago / 1978 470 MCM . the pump is not working .. I did the switches very good did the volt meters .. then the motor take it out . I was inspecting it and the brush armature is rusted of the holder . I cleaned it sanded it a pit of rusted ... brushes...
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