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  1. K

    1989 Mercruiser 3.7 L stater removal

    I’m trying to attach a polar and their three holes I’m convinced it’s 3/8 x 20 thread Would someone know by chance the thread size of the three holes on the stater pulley. I’m trying to figure out what the thread size is rather than go to Home Depot and bring back 15 bolts.
  2. K

    Leak on my Alpha 1 on shifter rod

    You want me to buy a $3,000.00 outdrive for a 1989 3.7 boat? that is a replace to repair . it would be cheeper to get a used boat 2005 for $4000. I would rather spent 80.00 and rebuild it .
  3. K

    Leak on my Alpha 1 on shifter rod

    There is no bungee jumping if you are low by 2 inches or even 4 . If you are empty then yes. start at the bottom . I was a certified Mercedes mechanic and we went rogue "bungee" many times and it was fine. One one occasion a Bungee scenario got added to the technical data sheet at a fix method.
  4. K

    Leak on my Alpha 1 on shifter rod

    If the outdrive and need to be topped off it works 3-4 inches . No bungee I was a cert mercedes mechanic and we dont always go by the book you can go rogue and still be fine ........now an empty outdrive YES fill form the bottom.
  5. K

    Leak on my Alpha 1 on shifter rod

    Disregard my 6: 59 post. I was looking at it wrong !!!! UGH. DUM ASS it look to be that I am ok and will add the spare next week I order my alignment tool today. I had trouble looking at it upside down and now I get it . The shaft and exhaust are part of the gimbal section.
  6. K

    Leak on my Alpha 1 on shifter rod

    It was actually better I was down 1 inch check my gears and got to see the fluid colors and adding 1 cup to top it off was so easy .
  7. K

    Leak on my Alpha 1 on shifter rod

    Sorry for all the messages but I’m an IT guy the more info the better so I took the cap off and I’m thinking maybe am good for maybe five more runs until I call it the day. Usually August 30 I don’t boat anymore. The water gets cold. So I lifted up the cap and I noticed it’s pretty high up. I...
  8. K

    Leak on my Alpha 1 on shifter rod

    So this is my spare outdrive and it looks to be that I’m missing some **** that shaft that connects to the shifting rod I don’t know if it fell down when I separated them and I lost it. Can I transfer it from my old one. is it me or do I have an incorrect spare outdrive. I bought this years ago...
  9. K

    Leak on my Alpha 1 on shifter rod

    Here’s a stupid question, but maybe not if I lift up the cover at the very top of the outdrive the four bolts that give you access to the bearings. Should I see oil that high up. The reason I’m asking is I was going to add some oil to compensate what I’m losing to do one or two more outings. The...
  10. K

    Leak on my Alpha 1 on shifter rod

    I have a spare upper unit with the same ratio. It does say 4.3 on the back but the gear ratio is 1.84r and my current one is the same 1.84r could I use that for now to my original lower and rebuild the bad one over the winter? We have a short season in New England 60 more days tops hate to...
  11. K

    Leak on my Alpha 1 on shifter rod

    Ok let me see if I can see where that is located or a video on how to change it ....if you can give me some details. The internet is not showing me any good info.. I am confused because the picture shows oil coming through a seal for the shift shaft. It is coming down for the upper outdrive...
  12. K

    Leak on my Alpha 1 on shifter rod

    I'm getting 2 answers now LOL 1 input shaft seal and where the drive shaft goes into the driveshaft housing. Great !! LOL I think I will go with input seal because it started after impeller change
  13. K

    Leak on my Alpha 1 on shifter rod

    Before replacing the entire upper body with another one, a spare that I have is there a fix for this but simple or does it involve tearing down the entire upper part of the outdrive?
  14. K

    Leak on my Alpha 1 on shifter rod

    Before replacing the entire upper body with another one, a spare that I have is there a fix for this but simple or does it involve tearing down the entire upper part of the outdrive?
  15. K

    Leak on my Alpha 1 on shifter rod

    So I have a spare with the upper with same ratio 1.84 r. it says 4.4 on the label but it should be ok correct ? using the the same lower end with a new impeller. I dont like the skeg on the spare so I would like to avoid using it
  16. K

    Leak on my Alpha 1 on shifter rod

    So I have noticed after replacing my impeller there is a leak at the shifter rod that goes to the upper section of the outdrive . This is the Is there a seal there I can replace easy.? Im doing a engine swap and need to take the outdrive anyways . Could it be the same small o ring on the side...
  17. K

    Buy a used block will parts swap?????

    THANK YOU !!! That is what i thought too the bolt on's are the same just different designs I can adjust to if needed.
  18. K

    Buy a used block will parts swap?????

    The motor is super clean you can tell it was stored and maintained well. My only concern is the old parts to new used block... I am looking to see the difference in production years from my engine to the other one
  19. K

    Buy a used block will parts swap?????

    Does any one know the years of the engine based on the serial number? I cannot seem to get good info. I have and 1989 and the serial seems to suggest its a 85-82 block .....makes no sense I have a 0C520320 the engine block I am buying is a 0C460580. I would love to get the years that would...
  20. K

    Buy a used block will parts swap?????

    I have a 1989 Merc 3.7 225 165 hp I have a 0C520320 the engine block I am buying is a 0C460580. the guy bought a whole motor but did it for the parts only.. Intake with carb/exhaust/starter heater exchange is all he wants and I can have the rest. So I need to add my starter /my intake/ my...
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