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    Exhaust Shutter

    Ok, I like nothing more than doing things twice. I was talking to a friend about the motor swap and he asked if I checked the exhaust shutters when I replaced the motor. I said no, I didn't remeber seeing them during the install.... So i pulled the manifolds and found the metal part but the...
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    Thunderbolt 4 or 5?

    Ok, so the boat is running great after the new engine install Today i was fixing a little throttle linkage issue and set idle to 700 rpm and now the throttle returns the engine to that. I had the timing light right there so i threw it on to look to make sure it was set at 8 BTDC. Well it was...
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    New Engine, Won't run for more than 5-8 seconds

    :redface: First thanks for all info found in these forums! 1997 Bayliner Capri 1850 1997 merc 4.3 LX Gen + 2 BBL Carb, I believe Thunderbolt IV Alpha one gen 2 outdrive OK, I will try to run through the time line first to give all the info: Bought the boat about a month ago with a cracked...
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    Mercruiser service manual 18

    I have been searching the web for the merc #18 service manual for some time. I have found the alpha one manual no problem. After checking around it looks like they are no longer available. It would be much appreciated, i need to start a teardown of my 4.3 lx+ thanks:D
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