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  1. S

    1990 4.3L alpha 1 Troubleshooting help

    Thanks for your reply and help. I think the smoke was on the outside. I will troubleshoot with what you guys have helped me with.
  2. S

    1990 4.3L alpha 1 Troubleshooting help

    Thanks for your reply and insight. I replaced gear oil when doing the impeller. Like I said I’ve only ever owned outboards before this and I’ve never opened up an I/O before. Prop turns when in gear so I will troubleshoot the rest when I get time to go fuss with it.
  3. S

    1990 4.3L alpha 1 Troubleshooting help

    Not sure where the source of the smoke was coming from, just smelled and saw smoke when I would start the motor. The motor is a crate motor brand new from the dealer where I bought it, so I don't think its burning oil or anything like that. My lower unit is a gen one with no lube bottle. I'm...
  4. S

    1990 4.3L alpha 1 Troubleshooting help

    hello all, I was looking for some pointers on how to trouble shoot my mercruiser. I've been an outboard guy my whole life and have been through them top to bottom and this is my first I/O. I was at the lake Saturday when I lost the ability to shift it into gear, the boat was in gear when it...
  5. S

    Mercury 150 blk max oil injection system removal

    pull the pump, reservoir, linkage, and low oil alarm and buy a plug kit on amazon.
  6. S

    1979 Mercury 1150 OB Cooling System Problems

    UPDATE: I replaced the copper pickup tube got it seated into the top grommet good. there was a homemade spacer that the previous owner of the motor had put to space the lower unit down further and I deleted that when I pulled the unit. I got everything buttoned back up and ran it with the flush...
  7. S

    1979 Mercury 1150 OB Cooling System Problems

    UPDATE: I replaced the copper pickup tube got it seated into the top grommet good. there was a homemade spacer that the previous owner of the motor had put to space the lower unit down further and I deleted that when I pulled the unit. I got everything buttoned back up and ran it with the flush...
  8. S

    1979 Mercury 1150 OB Cooling System Problems

    or is it just the grommet that seals the copper tube
  9. S

    1979 Mercury 1150 OB Cooling System Problems

    is there a seal or some sort of glue that needs to be used? every time i've put the lower unit together I've put the copper tube in the top first
  10. S

    1979 Mercury 1150 OB Cooling System Problems

    Hello, I've been working on my 79 1150 for the past couple months, and I cant seem to get more than a dribble through to my telltail. I have rebuilt the impeller and made sure that everything was lined up when reinstalling my lower unit. When i went to pull my lower unit for the first time the...
  11. S

    1979 Mercury 1150 Power trim electrical components

    hello, I trying to make my power trim on my 79 1150 merc. I'm currently waiting on a delivery of parts from this website of hoses to make everything work, but I noticed a black switch box on the port side of the transom bracket and did a little research of my own, but unfortunately I'm unable to...
  12. S

    1986 Mercury 135hp 2L V6 throttle and shift cable tuning

    tore the sucker apart. you were right, shaft and splines in the bottom end weren't in sync. put splines in N and redialed throttle lever and shift shaft to correct orientation. I really appreciate everyone's help troubleshooting. Its a big help for young guys like me trying to learn.
  13. S

    1986 Mercury 135hp 2L V6 throttle and shift cable tuning

    it's not going into gear is the problem and the control lever feels absurdly stiff
  14. S

    1986 Mercury 135hp 2L V6 throttle and shift cable tuning

    I'll give that a try next time I get some time to work on it. what is that diagnosing?
  15. S

    1986 Mercury 135hp 2L V6 throttle and shift cable tuning

    Hello, I'm currently dialing in my 135hp mercury and I'm having trouble setting all the stops and shift cables right so I can put the boat into gear. most of the time when I got to put the motor into gear I just get grinding and the engine RPM goes higher. I know the engine has to be at a...
  16. S

    1978 Mercury L4 850 Shift shaft "bushing?"

    hello I am looking for the bushing or spacer or whatever, that is pictured below. it sits into the midsection of my OB and holds the shift shaft in position so its not loose in the cavity. if anyone could tell me the name of the part or if I need it or not that would be great.
  17. S

    1986 Mercury 135hp 2L V6 Oil injection help

    I recently bought a 135hp mercury with oil injection. I'm looking for the correct block off kit in order to delete the oil injection system that is existing, as well as some coaching for when I go to delete it. if anyone could help it would be greatly appreciated. my serial number is 0B1473373
  18. S

    1978 Mercury L4 850 "reverse cam-lock"

    Hello, I am currently in the process of rebuilding my lower unit on my merc. I finished up rebuilding the gears and such with no issue, but when it was time to bolt the lower unit back in I misaligned the reverse cam-lock and snapped it when I went to tighten the unit. Bonehead move I know. I...
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