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  1. E

    Lower unit bearing retainer nut

    My 40hp 4 cyl. Has a plastic retainer nut for the lower unit carrier. Is offered in metal?? 100 Lbs seems much on a plastic nut... I had on in metal that I cant find not sure if it was for this drive. Thanks guys
  2. E

    Lower unit leaks...

    So what happened was. I was getting some water in the drive. I decided to reseal the carrier bearing housing since it was easy to get to. I broke the carrier getting the seals out. The carrier section that broke was where the seal near the prop. Put seals in it and some jb weld on the broke...
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    Need a lower unit and no engine numbers Mercury 40hp 2 stoke 4 cyl mid 90s

    Every time a look up a OE part number I end using many different engine numbers to find the correct part. This engine is like someone built it from 10 different engines! I am looking to replace the lower unit on this. Looking at mercury parts online I see there is a difference in the shaft...
  4. E

    Mercury 40 HP 2 Stroke 4 Cyl. Oil is everywhere!

    I rebuilt this engine about a year ago. The problem I have has been an issue before the rebuild. So you can run the engine (runs good) Shut it down for a few hours and is had to start once it starts smoke everywhere and a good oil slick on the water. A few weeks ago I tried to stat (sitting a...
  5. E

    Paint color

    I have a 40 Hp pro series from around the mid 90's. The boat sunk and I lost the engine cover. I got a new one but the paint on the the cover is black. The old cover and drive is a like a gray type color. I want the color to match the drive,cover and etc to match. All I find was phantom...
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    1995-1997 40 HP 4 cyl end caps reed valve and water getting in cyl 4 sn# 0c159200

    So what I am doing to resealing the end caps and want to do the reed valves also. Because I am getting water into cyl #4 I cannot find the valves in the parts diagram. I see the block and "intake" but no listing for reed valves. Why can I not find them in any parts diagram? Whats up with that...
  7. E

    40 Hp 2 Stroke 4 Cyl 2 Carb

    Ok were to start! lol Engine died replaced switch box and reg ran good. Died again no spark. Replaced stator and trigger. Ran but not great found a had a bad coil. Ran it again and jacking with the carb to no end. Finally it ran better than ever for a few hours. Part throttle it would surge...
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