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  1. SSTKO81

    81 Merc 140 stops at WOT

    Its that time again. And I'm addressing an issue I had at the end of the summer. When I'm cruising at WOT, for no apparent reason the engine will suddenly rev up and forward motion will just stop. -Almost like my prop fell off, but the engine doesn't die or anything. So I'll pull the throttle...
  2. SSTKO81

    Lower unit oil green?

    Hey y'all! My vacation has been interupted by an over heating motor. I change the thermostat and that helped for a second, but taxi'n on out of the cove it started over heating again. So now I'm going to attempt my first impeller change. Any advise? It's a merc 140 with the MC1 drive (1981)...
  3. SSTKO81

    Voltage at (-) side of coil?

    Ok so after a rough run of luck with my ignition I've got good spark again but she just won't quite start. I ran a few tests at coil and found that w/ the ig on but not running I've got 12v, when I crank I've got 12v, and I have 12v on the (-) side ofthe coil too. Normal? Cause???
  4. SSTKO81

    Thought I were the capatain

    I thought I were the Captain But O so much can happen Its made me see I'm only a "Smee" and the ships in charge of whats rattlin' I thought I were the Captain And though I work hard rach'tin The bellows may fail She'll sink strait to hell And my head is what I'll be a scratchin I thought I...
  5. SSTKO81

    3 requirements for proper ignition (140)

    Good morning everyone! HOpe your 4th of July was great. Mine was dry, as my boat sat on the trailer rather than the blue waters of my local lake. The problem? No ignition. I didn't have a very good spark, which led me to believe the coil was weak (the old one was leaking oil from inside the...
  6. SSTKO81

    Tilt Trim Diagrams

    Hello, I was wondering if anyone knew where I could find some good exploded diagrams of the Alpha 1 (2 solenoid) tilt/trim Valve body that's used in the '81 Mercruiser 140. I took mine apart for a good cleaning and I'm not sure I've got it back together right. Also, can the pressure be adjusted...
  7. SSTKO81

    Mercriuiser 140 Trim Woes

    I recently went though and checked all my electircal connections and solenoids to make sure everythings in good shape. I hit the switch and hear them click, but the motor doesn't seem to be moving in either direction. I crossed the solenoid points to see if they were fried, but got the same...
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