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  1. 1970Mach1

    1971 25hp Evinrude running issues

    I have a 71 25hp Evinrude I've been working on. New seals lower unit. New carb kit. Checked the points. 125psi compression. New plugs. It will run for a bit but if you pump up the ball it will start to die out. If you leave it alone it will start coughing and want to quit. I can't get the idle...
  2. 1970Mach1

    seal, which way? 67 18hp Rude

    Which way do you install the prop shaft seal on a 1967 18hp Evinrude. Metal up facing out or rubber part up facing out? Thanks for your help!
  3. 1970Mach1

    1992 3.0L water in oil

    Hey you guys! Looking for some advice here. I have been getting water in my oil on my 1992 3.0 Mercruiser. Here's where it gets tough, the oil was milky so I changed it the beginning of the year and keep a eye on it. It was fine the first couple times I've taken it out. Then I noticed it again...
  4. 1970Mach1

    1992 3.0 Mercruiser Gimbal Housing

    I hit a log this summer, when I was winterizing the boat I noticed the gimbal housing was busted up pretty bad on one side. It's a Alpha 1 Gen 2. So my question is when looking for a replacement gimbal housing, will only a gen 2 fit? Or are they all mostly the same?
  5. 1970Mach1

    1992 3.0 Mercruiser running problems

    New here! First off I've had the boat for probably 10 yrs or so. It's a 18ft Stingray with a 3.0L Mercruiser I think it's considered EST ignition. When I first bought the boat I rebuilt the carb and it ran beautifully, wasn't really to bad before but did run much smoother. I also set the timing...
  6. 1970Mach1

    1986 9.9 Evinrude won't wind up?

    I can't get my 86 9.9 to wind up, idles good. Checked spark an it seems to have great spark, cleaned carb as well but no results. Being that it's electronic Ignition I'm lost at what to do. I'm going to try a carb from a 74 9.9 to see if that changes anything, but I'm thinking it's in the...
  7. 1970Mach1

    Evinrude 15036b 51750 hp? Gas mixture?

    Looking for info on this motor.
  8. 1970Mach1

    Serial number help

    Can anyone help me out with the Serial number on my Merc? Its OC210135. Its got 9.9 stickers, but I don't know if its a true 9.9 or 15? Wanted to know the year too? It came on a 1989 boat, I am guessing its late 80's early 90's by the style. I looked on the web sites but I can't find anything...
  9. 1970Mach1

    1955 15hp Evinrude, clutch dog, 15 converted to 18??

    Does anyone know the part number on the clutch dog and forward gear? Are the 18 hp same parts? An this may be a good one but the serial number has the 2nd number scratched out an the welch plug has lines crossing the numbers out, someone told me that it was a 15hp changed to a 18hp. Can anyone...
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