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  1. boomtime

    new compression numbers

    well i cleaned some seaweed out of my intake today and then took a test run with good results. motor is runnin good. so i got back to my dock 20 minutes later and remembered that i wanted to do another more accurate compression test with the advice you guys gave me before. as in take all the...
  2. boomtime

    install location for temp sender on 90 V4

    anyone have any experience installing a teleflex 3/8 or 1/2 inch water temp sender anywhere on a 1990 johnson v4 90hp? im adding a temp gauge because i dont trust the overtemp switches. also are those over temp switches in the cover of the power heads threaded?...they dont appear to be. any...
  3. boomtime

    Tachometer Basics

    Ive been doing a lot of reading about tachometers around here and also on the internet, ebay, etc. I feel like im getting mixed messages about these because some engines have actual alternators and some have electronic ignition and some have rectifiers. In my situation i have a rectifier and as...
  4. boomtime

    90HP V4 tune-up/ignition questions

    I recently picked up a small CC with a 1990 V4 90HP Johnson 2-stroke outboard on it. Im in the process of "improving" the boat with things like paint, new throttle/shift cable and new side mount BRP controls (these items are already replaced). The other day i was out runnin around and noticed...
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