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  1. M

    Merc 470 No Spark

    Boat ran last year, took it out this year and no spark. Voltage at coil is full battery voltage on both terminals, I know this is not right. I have not messed with any point ignition before. I tried a different coil just because and had the same readings. I have read some of the other posts...
  2. M

    Mercruiser 470 cooling question

    I recently purchased a boat with what I believe is a Mercruiser Model 470 engine and sterndrive. Engine# A474717 Transom#A466505. It will not draw water out of the lake and heats up quickly but if I hook muffs to it water will circulate and it stays cool. I'm assuming there is something...
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