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    Shift cavity water...

    O RING , GASKET BELL HOUSING THE SILICONE GREASE !!!! NO PERTROLEUM ............ THE SPARK PLUG WIRES SILICONE GREASE ! ALSO THE ELECTRICAL CONNECTORS ,,,,
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    Shift cavity water...

    the molybdenum grease the bellows shift shaft and the drive shaft ... inspected it of the rubber bellow ..the outdrive gasket was the silicone grease no corrosion of the gasket ,,, alum surface did the painting . also the gear oil inspected it .. every year in the my October take it off...
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    2022 MerCruiser turns-no ignition

    the electric meter of the ignition module connector, the key is turned turn the key on , and that meter voltage ! did the spark plugs arcing ! also the gasoline of the engine intake manifold ...
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    Mercruiser 170 Starter Removal

    DID THE ENGINE SPEC LITER alpacaox ... THE STARTER IS THE WATER INSIDE THAT BOAT ?
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    Mercruiser 170 Starter Removal

    ELECTRONIC CONNECTOR STARTER ENGINE IS THE CORROSION SOLENOID ..
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    Mercruiser 170 Starter Removal

    the 1986 engine MERCRUISER 170HP ... NOW THE 3.7L OF THE ENGINE ? MCM470 ENGINE ..... I WAS INSPECTED IT OF THE 1978 MCM470 ENGINE 3.7L TODAYS ! DID THE MANUAL ..............SEE THE MANUAL MCM470 ...
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    4.3LX & Weber Carb Service

    the carb of the Throttle body cleaner inside .... the take the top off the carb and rebuild it .....did the cloth / brush ... marvel mystery oil did the cloth ... I was NOT OF THE CARB CLEANER !!!! 50 years ago ...
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    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    the alum corroded of that carb !!!!!!!!!!!!!
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    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    the DOW CORNING DC-4 ELECTRICIAL GREASE IS THE WEIGHTS OF THE DISTIBUTOR .. I was the the corroded weights did the good ,,, no corroded .. also the DC-4 GREASE distributor shaft of the points ..
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    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    my 470 engine is the 93 octane gasoline .. timing 4-6 deg ....700 rpms
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    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    I was that carb picture the alum carb is corroded !!! the carb pump metal corroded
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    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    my manual mercruiser 470 engine is the 650-700 rpm idle !!!! my MCM470 is the manual all those engines and the outdrives !!! the vacuum are 17-21 inches of the manifold intake ,,,.. the ignition of the BTDC 4-6 degrees idle 650-700 RPMS .. the gasoline is the alcohol new days ... back in the...
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    1986 Mercruiser 470/170hp/3.7L Carb backfire, low vacuum, other weird issues

    THE 1-1/4 OF THE CARB MIXTURE SCREW,,, TIGHTED CW IT AND CCW 1-1/4 TURNS ... THE IGNITION IS THE BTDC 4-6 DEG [650-800 RPM ]... THE DWELL METER IS THE AROUND 28 DEG ..THE RPM IS 650-700 RPMS IDLE ENGINE .. THE CARB IS THE FLOAT ADJUSTED IT .. DOWN AND THE UPSIDE CARB DID THE TOP CARB .
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    Boat wont start

    the starter electrical motor did the water inside that boat . then the brushes of the holder and the armature ... take it off and inspected it .... I was my dc motors 50 yrs ago .....600dc -12 DC volts ..
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    Trim Pump Motor

    my war veteran electronic tech did the RUSSIANS SUBS . I was the dc motors 600 volts DC ..............very good brush holders yes ..
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    Trim Pump Motor

    The motor armature brushes did the rusted port brush ..
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    Winterization

    THE OUTDRIVE IN THE FALL SEASON , TAKE IT OFF INSPECTED IT .. DID THE GREASE AND THE OUTDRIVE GEAR OIL . The water 5 plugs take it off .... also the antifreeze in the engine ... T -STAT .. the no engine is running ...
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    Mercruiser 470 voltage regulator smoking

    my MCM470 year 1978 . the voltage regulator is worn out is done ... the stator of the front engine is the stator coils . the 2 wires yellow/red the stator coils take it off the wires ... the red wire take it off voltage regulator , and the alternator updated it off the alternator output...
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    Trim Pump Motor

    did the switch button of the outdrive motor pistons ...the motor is running it going up the outdrive ...
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    Need RPM’s on 383MPI 1970 SeaRay 24’ project

    spark plugs looking good .
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