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    replacing engine mounts on '66 100hp

    The two side engine mounts on my '66 100hp appear to be shagged bcos they dont stop or dampen any front to rear engine movement when under load. Ive found a drawing of the mounts on marineengine.com & it appears that the rubber has broken from the metal plate at the bottom of it & now it just...
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    Compression testing a bear outboard block

    Hi all, My 66 100hp is requiring a rebuild & I'm thinking about using the spare engine block I got from a 67 100hp. The problem is, I don't know the condition of this block and don't really want to go to all the effort of installing it in the 66 if its low on compression. Is there any way i can...
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    power tilt cylinder rebuild on old outboard

    I'm looking to rebuild the power tilt cylindersn my old 60's Johnson 100 because they leak fluid & won't hold the outboard up. Is it going to be hard to get the parts & shld just look at getting one from a newer motor? Also is it possible to take the cylinders off with the outboard still...
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    '66 100hp johnson spark plug question

    Hi, I've been trying to sort out a miss/stumble at light throttle. Done a link & sync & tuned the carby to what i feel is a pretty good setup. This has made the power delivery nicer, shifted the stumble lower in the rev range & has seemed to reduce the severity. Now i want to replace the...
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    Outboard wont cold start in the ocean.

    My outboard starts no worries with a flush attachment, but when i try to start her in the water at the ramp all she does is soak the plugs. Last time i tilted it up out of the water, it fired up & ran straight away then i quickly dropped it back down into the water. After its started once & warm...
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    choke solenoid works, but does nothing??

    I cant get the electric choke to work properly on my '66 100hp johnson. Ive been shutting it by hand for cold start, then racing back to the outboard to open it back up once the engine starts. The solenoid moves its piston IN when i flick the choke switch on the dash, but it does nothing to open...
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    New Boat Owner

    Hi all. My name's Greg & Ive recently purchased a 70's Bellboy Speed boat with 1966 100hp Johnson outboard. When i acquired the boat it wasn't running, but since then I've remedied the starting issues with adding the factory fitted nut to the top of the starter assembly & using a Optima dry cell...
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