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    88 Johnson GT100, Starting Problem

    Ok - I have a "new to me" Johnson GT100, 1988 4 cyllinder. The motor was rebuilt about 1 year ago, and due to the prior owner's financial (also why I was able to buy it!) situation, it is just now getting past the break-in period. <br /><br />It ran great for five trips, but now it doesn't...
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    name of part, '90 Johnson v4 gt100

    The mini-skeg that corrects for propeller spin is missing on the bass boat I just bought - thought it was called a skeg something, but can't find that on a parts catalog . . .<br /><br />What is the actual name of this part, and does anyone have a suggestion of where I'd start looking for one...
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    On Board Charger Mounting Location

    I am about to mount a dual on-board battery charger in a '90 bass boat I just bought, my question is this -<br /><br />The obvious location, close to the batteries etc, is in the rear compartment which also contains the gas tank - is this safe? I assume it is since the bilge, pro-air, and...
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    1973 Merc500 thunderbolt 4cyl 50hp

    I am slowly getting my old mercury to run better, but I need a suggestion on what's next.<br /><br />The predominant symptom is an unreliable RPM -<br />Weight seems to affect it, but sometimes not. I normaly fish by myself, and 3 out of 4 times it will get up on plane at about 23mph (15'...
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    Merc 500, 1973, 50HP, compression testing

    OK, I'm sure this is out there somewhere already, but I can't seem to master the search function enough to narrow it down to what I'm looking for.<br /><br />I just want to make sure I'm not crazy - My manual says that, to test compression, I pull all the plugs, then GROUND them to the engine...
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    Merc 500 timing & rpm

    OK, <br />'73 merc 500 50HP, want to set the timing, but the little RPM thingee on the controls is burnt out. <br /><br />question - is there a way to read the engine's RPM's another way? I'm very handy, but very inexperienced at this!<br /><br />The problem I am having is getting up on plane...
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    Merc 500 Thunderbolt, 1974, single click start

    Okay, I found a couple threads with this, but I need some more detail . . . I have a 50HP 1974 Merc 500 that gives a single CLICK when I turn the key. Tested the battery, good. Tested the Starter (at autozone), good. So, using my car knowledge, I replaced the solenoid using the process of...
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