Search results

  1. P

    stuck in the gimbal housing, look.

    Good Morning All, Working on getting this trim hose off my alpha 1. The hose is blown and needs replacing. Was able to work it out until I ran into the part of the steel portion of the bellows that extends out about a half inch attached to the transom. a standard wrench no longer fits and cant...
  2. P

    Blown Trim Hose, Look.

    69 mercruiser 3.0 140 new alpha outdrive 2011 Blew a trim hose looks old and decrepit. I know it's possible to do anything yourself, but this on looks like it may require some special tools to get into the gimbal housing ... Last time this happened it was 2 weeks in the shop and 300$ Any...
  3. P

    Neutral Switch Replacement, Photo's attached

    69 mercruiser 140 3.0 I am attempting to replace switch one(2 photo's red/black). Was set switch 2 (white ball on end)and told it superceds 1, but I'm not sure how as it does not fit correctly. I see that switch 2 is used as my neutral switch from reverse to neutral... Perhaps I have been...
  4. P

    How to replace shift interrupt switch?

    69 mercruiser 140 3.0 Boat stopped engaging neutral . I noticed Switch was cracked. I was sent replacement part 49646a2 because it is supposed to supersede a1. Now trying to install and I'm just not sure how this shhould look. A pic of a correctly assembled one or diagram would help. On...
  5. P

    Neutral wont engage. On vacation please help.

    1969 mercruiser 3.0 140hp. Out here in the beautiful upstate ny thousand island region and my engine and out drive are being stubborn to engage neutral. If I leave in the neutral position it eventually engages sometimes seconds sometimes minutes sometimes not at all. What should I be...
  6. P

    Throttle body availability?

    It was just suggested that I could replace my 1969 mercruiser 3.0 140 hp carburetor with a throttle body? Anyone had success with this? Where to get parts? I would love never to think about carburation again...
  7. P

    1969 Mercruiser Timing specs please

    Can anyone provide the timing specs for the 1969 mercruiser 140 h.p. 3.0 L? Thank you!!!
  8. P

    Ignition coil swap...fail

    I noticed my ignition coil was leaking oil. And was very hot to the touch. So I ran to the local marina and bought a replacement. I plugged all wires in exactly the same way and now it won't fire. Thinking it could have been the wrong coil I went back to the old coil and again no fire? Did I...
  9. P

    How to Adjust carburetor ?

    Can anyone provide a link or how to adjust carburetor on 1969 mercruiser?
  10. P

    Very Hard Start... Fuel Issue...I think ?

    Particulars 1969 Merc. 140 i/o Rebult in 2009, new starter, new alternator, new plugs/wires, no fuel filter ... Boat has been starting hard and almost not at all at times, battery is good, starter is new, ehthonol turns the engine over and she runs perfect after that, but has had some real...
  11. P

    Oil Vent Stuck

    Hey all, Attempting to winterize my mercruiser I/O 140. I cant get the oil vent out to save my life! Anyone have any tips? Thanks BD
  12. P

    Pulling off Lower Unit

    Hey all I posted recently on my blowing a trim hose on my lower unit. This is in addition to that unfortunetally. I have been told that the likleyhood of being able to remove the hose from the transfer casing is not good since its an older boat and the hoses are likley rotted to the transfer...
  13. P

    Blown Hydrolic hose on outdrive advice

    Hey all, after my first sucessfull trip to the 1000 islands NY with my 69 mark twain with rebuilt mercruiser 140, I experienced a blown hydrolic tilt hose on my outdrive. I attempted to raise the engine and when it wouldnt give, i noticed that the hydrolic fluid was leaking from the hose, and...
  14. P

    Gps charts?

    Hello All, Im looking to upgrade my newly installed GPS unit by purchasing one of the charts that will give me depth, contour ect... Does anyone have any reccomendations on where to get one? They are extremely expensive from dealers. Im looking for one to cover Lake Erie and St Lawrence River...
  15. P

    Winch reccomendations anyone?

    Hey all, im looking to get a new winch to replace an old malfunctioning electonic but i need a few pointers. i have a 17.5 foot Mark Twain, she weighs around 3000 I believe. Can anyone recommend a brand and a place to get one? Im looking for a manual winch not electronic as my boat is docked...
  16. P

    140 Mercruiser restricting after 2500 Rpm's

    Hello all I have been working on my 69 Mark Twain v sonic for over a year. So far it has Rebuilt engine 140hp Mercruiser I/O, new floor/carpet, new instrument panel to name a few. Had her out this weekend for the first time this year and everything was running smooth! until, i brought her in...
  17. P

    What happened to my lower unit... check out these pictures

    Morning all, To my awful suprise after pulling my boat out last night, I saw that one of the 4 lower unit fins was completely broken off along with a chunk of the metal that holds it. Its a 1969 mercruiser 140 hp. Can I still run the boat with it in this conition? Should I remove the fin...
  18. P

    Thermostat Stuck Open

    I have a 1969 140 Mercruiser, I believe the thermostat is stuck open, the needle only moves slightly when engine has run for almost a half hour. Can I fix this? Can I still use the engine until my mechanic can take a look? Thanks BD
  19. P

    Mercruiser Panel Throttle Issue

    I have a 1969 Mercruiser 140 HP I am only able to get about 50% out of the engine because the throttle is already firmly at its end. Should I replace the cable, controls, adjustment? This is a single lever panel mounted throttle on my 1969 Mark Twain V-Sonic. Thanks
  20. P

    Panel shifter trouble on my 69 Mercruiser

    I am having difficulty accelerating on my 1969 140hp Mercruiser. It has a panel throttle with single lever. I engage the neutral position by pushing in button in and pushing the throttle forward. I start the motor. I then bring throttle back to neutral and push down to engage the forward...
Top