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  1. Alumarine

    Oops mixed up thrust washers

    Hi there, trying to get my boat out for it's maiden voyage and my helper put all my different prop hardware all in the same box.<br /><br />Got some old props that don't use the Flo-Torq II Kit and some new ones that do.<br /><br />I have 2 different thrust washers, one # 12-835467 is solid...
  2. Alumarine

    shift shaft play mercruiser

    Hi there. Just wondering how much play should be in the intermediate shift shaft bushing? It feels quite sloppy to me. The area in red has about 1/2" of play there. Darn, just when I though I was finished - no reverse. Thanks<br />
  3. Alumarine

    new rings and spark plugs too clean??

    Just fired up my newly re-ringed mercruiser 140.<br />Ran it for 15 minutes at 1500 rpm. Tried to bring it up to 2000 but had a slight miss. Oil pressure and temp ok. Timing ok. Pulled plugs and checked compression.<br />#1 150 psi plug was a nice tan<br />#2 150 psi plug was slightly black<br...
  4. Alumarine

    Coil Arcing Question

    Hello again. Was getting ready to fire my 74 mercruiser 140 for the first time since re-ringing it. Removed the coil wire and cranked it for 10 seconds a number of times to build oil pressure. I could hear what sounded like an arcing sound. Turned out it was my coil arcing from the metal...
  5. Alumarine

    reverse lockout ball and spring??

    Hi there. I had a loose fitting (pictured) on my reverse lockout valve. I took it off to put some teflon tape on it and retighten it. Surprise! when I took it off the unknown to me ball and spring popped out. I put the spring in first then the ball. Was this correct? I have actual merc manuals...
  6. Alumarine

    Mercury 9.8 dies at full throttle no fuel

    Hey guy's hoping someone can help. It's been 30 years since I got to play with a 2 stroke.<br />1971 Mercury 9.8. Will idle/troll all day long.<br />When run at full throttle it will die after a minute. If I pump the bulb it will start right up and run for another minute. Obviously it's running...
  7. Alumarine

    Maximum Trim Angle ???

    Hi. My 1974 mercruiser 140 has a broken trim limit switch on the gimble. Apparently this part is NLA.<br />I've been trimming by using the tilt switch. This works fine for me but others using the boat have been trimming up to high.<br />What is the maximum safe trim angle for the drive unit?<br...
  8. Alumarine

    No Gimbal Bearing Grease Fitting???

    Hi there. My 1974 mercrusier 140 Gimble ring needs repairing so I picked up an entire Gimbal assembly from a 165 mercruiser of approximately the same vintage. It doesn't seem to have a Gimbal Bearing Grease Fitting. It's not like it's missing there isn't even a place for one.<br />I'm looking on...
  9. Alumarine

    Gimbal Housing Differences ???

    Hi there. I have worn hinge pins and steering shaft splines on my gimbal ring (74 mercruiser 140). I picked up an entire gimbal assembly from an older 165 mercruiser that is in good shape.<br />I've enclosed a picture that shows my old one on the left with two 3/4" holes and hard to see two...
  10. Alumarine

    Tilt Stop Switch NLA

    Me again. Hopefully 1 day I'll have enough knowledge to answer questions instead of just asking.<br /><br />My 1974 Mercruiser 140 has the old style Tilt Stop Switch mounted on top of the gimbal ring.<br />You'll be shocked to hear that the wires broke!<br /><br />The kid at the dealer who...
  11. Alumarine

    Gimbal Bearing Snap Ring???

    Hi there, I'm in the process of changing my gimbal bearing. I was under the impression that if you have the "new" style bearing you don't need the snap ring. Mine looks like the "new" style but it had the snap ring. Do I need to reinstall the snap ring? Also, can i just replace the bearing and...
  12. Alumarine

    using a glaze remover before new rings

    I'm replacing the rings in my mercruiser 140 and was wondering if I should use one of those glaze removing tools that attach to a drill to prepare the cylinders. I'm using cast iron rings not moly.<br /><br />The cylinders currently look very good and are nice and smooth although I don't really...
  13. Alumarine

    how to measure pistons ??

    Reason I ask is I took my pistons (still attached to rods) to a machine shop to get a second opinion on how one of the wrist pins felt. The guy took them back to his machinist and said well the wrist pin bearings are fine but your pistons are badly tapered. He said they had .006" of taper which...
  14. Alumarine

    manifold leak maybe ??

    1st let me say I appreciate all the help I've been getting from this board with my first attempt to freshen my I/O.<br /><br />I'm trying to pressure test my manifold and the only leak I get is a small blurp (technical term) of air every 20 seconds from the last exhaust port by the riser.<br...
  15. Alumarine

    camshaft lobe discoloration ??

    Hi there. On the back outside edge of my cam lobes I have small discolored spots on either side of the lobe.<br />Anyone know if this is a problem?<br />The rest of the cam surface looks great and the lifters look like new with no wear at all.<br />Thanks hope you can see it in the picture.<br...
  16. Alumarine

    rusty intake ports on head ??

    Hi there. Anyone know why just the last 2 intake ports would be rusty? I know it must be from water but why? 1974 mercruiser 140<br /><br /> <br /><br />thanks for the help
  17. Alumarine

    outdrive removal and drive yoke ???

    Hi there. I just removed the outdrive from my 74 140 Mercruiser. I know it is supposed to be in gear when removing but I had it in Nuetral.<br />It came out quite easy.<br />Have I done it any harm?<br /><br />Also, if I try and turn the splined U-Joint shaft coming out of the lower end unit I...
  18. Alumarine

    temporary gear lube mercruiser 140

    Hi there. I have a 74 Mercruiser 140 I/O and I normally use Quicksilver Gear Lube Premium Blend (High Performance)in the lower end.<br /><br />I'm going to be working on the lower end this Spring and was wondering if it was ok to use a GL5 75W-40 in it for about an hour so I can get it out of...
  19. Alumarine

    mercruiser alignment tool question

    Hi there. I've been lurking here awhile and would like to say that this forum seems very informative and provides a wealth of info.<br /><br />I'm thinking of making my own alignment tool and was wondering if there is a disadvantage to making it out of aluminum?<br /><br />thanks
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