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  1. metriccrescentwrench

    Bye bye speedometer - will I miss it?

    I recently bought a used boat w/ 1981 90 HP Johnson. I've got it down right now replacing carpet, installing new wiring, etc. I found a great deal on a tachometer on ebay, plan on installing that as soon as I bench check it. Unfortunately there's not a lot of mounting space, about the only...
  2. metriccrescentwrench

    TACH questions - '81 90 HP

    I want to add a tachometer to my recently purchased boat. In outboard terminology is "12 Poles" the same as "12 Pulses"? What will I need for my motor? On the 3 pinned plug that's beneath the throttle friction lock, it's got the purple hot wire on it but not the grey tach signal or the...
  3. metriccrescentwrench

    Trolling Motor Current Draw ??

    I'm ripping most of the wiring out of the boat I just bought and starting over from scratch, way too much "redneck engineering" for my taste. Anyway, what kind of current draw should I see from a 45 pound thrust trolling motor (12 V)? thanks
  4. metriccrescentwrench

    trim sending unit

    '81 Johnson 90 HP. What's the resistance range supposed to be for trim sending unit? What's the mfg's part number for this (I've looked at the BRP site and I'm not seeing it). Any aftermarket replacements that aren't going to cost an arm and a leg? I'm dissecting my bad one, there sure isn't...
  5. metriccrescentwrench

    Floor Access Hatch

    1981 14-1/2 ft. fish & ski. There was an access hatch in the floor running lengthwise, about 3 ft. long and 8 or 10 inches wide. Previous owner did a quick & dirty floor repair and just covered it all up with carpet. I'm now replacing the carpet and will clean up the floor repair while I'm...
  6. metriccrescentwrench

    Solenoid ???

    1981 90 HP Johnson I turned the key and could hear the solenoid click but the starter motor didn't run. Tried 6 or 8 times and same thing. Pulled the cover, wiggled wires, nothing seemed loose. Tried starting a few more times with the same results then finally it worked. After that it was...
  7. metriccrescentwrench

    telltale hose ???

    '81 90 HP Johnson - what's the nominal size of the telltale hose? I need to find something at my friendly neighborhood auto parts store that will work. thanks
  8. metriccrescentwrench

    1981 90 HP Johnson - WOT RPM?

    A couple of questions: Suggestions on an economical yet reliable tach? How many rpm's should I be seeing at WOT? OK, three questions. Anybody know where I can get a shop manual for this engine. I've got one of the generic manuals and while it serves it's purpose I gotta believe the Johnson...
  9. metriccrescentwrench

    Camping / Boating GA, AL, TN ???

    Anybody have good recomendations for campgrounds (tent camping) on lakes in roughly the northern Georgia, northern Alabama, and Tennessee area. Looking for places for family vacations, also for good bass fishing for myself and my son. thanks
  10. metriccrescentwrench

    Looking for rough guestimate

    I recently bought a 1981 15 ft. Bomber w/ a 1981 90 HP Johnson. (Hey - it was cheap, it's in reasonably good shape, it's all paid for, and I figure it's better to have a boat NOW that I can use rather than waiting for who knows how long for my dream boat :) ). I don't have a tach yet (but it's...
  11. metriccrescentwrench

    1981 90 HP Johnson - H-E-L-P !!!

    My recently purchased boat has a 1981 90 HP Johnson. I know nothing of this motor's history, (and of course the previous owner had zero problems with it). The first time we took the boat out it ran great, no problems at all. Later that same day it seemed to be a bit rough at partial throttle...
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