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  1. Skidude17

    Exhaust component inspection due to slight overheating

    Are the $20/$30 thermometers on amazon any good, or should I opt for a better one? I don't have a lot of use for one outside of this. Where should I measure the temperature?
  2. Skidude17

    Exhaust component inspection due to slight overheating

    I don't think it's the power steering cooler. I'm pretty good about cleaning it out every year. I don't think there's much I can open on the heat exchanger. I've never cleaned out the seawater pump since I've owned the boat (2019), and I'm not sure if the previous owner did. I think that's my...
  3. Skidude17

    Exhaust component inspection due to slight overheating

    This is a saltwater boat. I'm not sure what you mean by WAG.
  4. Skidude17

    Exhaust component inspection due to slight overheating

    My Mercruiser 5.7L MCM SN 0F598365 got a little hot this summer most of the times I ran it. It never overheated, but it was definitely in the hot range. I have a closed cooling system, and I replaced the impeller and housing at the beginning of the season. I just took off the exhaust risers, and...
  5. Skidude17

    No purple and white wire for base timing

    I have a Mercruiser serial number 0F598365. It was starting hard, so I went to do the timing. It appeared to be off by 4 degrees, so I corrected it. It’s starting easier now, but I’m still not sure if I set the timing properly. I can’t find a purple and white wire to ground to set base timing...
  6. Skidude17

    1999 8hp Mercury Can't get shift shaft to push in for neutral and reverse

    I have a 1999 8hp 2 stroke SN 0G765923 that I took the LU off, and now I can't get the shift shaft to shift in to neutral and reverse. When I spin it clockwise, it gets to a point where it stops. Is the cam somehow spun out of the proper alignment? How do I get the shift shaft properly...
  7. Skidude17

    Unable to locate oil leak on 8hp 2 stroke Mercury

    The motor is a 1995 2 stroke 8 hp Mercury SN: 0G765923 . I got this motor as a kicker on a boat I bought last year. When I changed the oil for wintering last year, I saw a very trace amount of water in the gear oil, but during pressure tests it maintains pressure, so I thought it must be because...
  8. Skidude17

    I want better speed and performance

    I have 1995 Sea Ray Overnighter that weighs in at 5,000 lbs with people full tank and gear. I currently have the stock aluminum mercury 48-78118 17P (14.5” 17P) prop behind the 5.7L MCM Alpha1 Gen 2 235 hp I’m maxing out at 38 mph (gps) and 4800 rpm (boat tach) at WOT. I had one instance where I...
  9. Skidude17

    Hard starting after engine warms up. Carburetor ID

    I have an MCM Alpha 5.7L SN 0F598365. After the engine warms up, it has a hard time restarting. It will, but I often have to give it a lot of throttle. I assume this is a carburetor problem. I’ve rebuilt a 2 barrel Rochester in the past, and I’m not too scared of a carb rebuild, but I was...
  10. Skidude17

    Alpha 1 Gen2 MCM 5.7L dies when shifting

    I have an MCM 5.7 Alpha engine serial# 0F598365 that was dieing when I would shift from forward to reverse. I adjusted the shift cables, and now it dies when I shift from forward to neutral, and dies when I shift from neutral to reverse. I tested the shift cutout switch using a 1/8” alan wrench...
  11. Skidude17

    MCM 5.7 Alpha 1995 Did I adjust the gear shift cables properly?

    I have an MCM 5.7 Alpha engine serial# 0F598365. I bought this boat last year, and it ran ok, but I had issues with the engine dying sometimes when shifting to reverse. I followed achris' video on how to adjust the shift cables, but I have a spring guide assembly on that assembly that I didn't...
  12. Skidude17

    Wrong size spark plug symptoms.

    I just changed the port bank of my 5.7L Mercruiser Engine serial #0F598365 on a new to me boat, and I noticed it has the wrong plugs on it. The air cleaner cover says it’s supposed to use AC Delco MR43T, but it had NGK BR6FS plugs in it. The photo doesn’t show it very well, but the NGK is at...
  13. Skidude17

    What are these holes for?

    I have an Alpha 1 GenII, and I’m wondering what these holes are in the drive and the bell housing. The gasket covers both holes, and the holes don’t line up, but they look like they’re there for a reason.
  14. Skidude17

    Can a pressure test be performed on an Alpha 1 Gen II while it’s still on the boat

    I have a drive that started leaking after I did some routine maintenance. I’ve already drained the oil. Can I do a pressure test while it’s still attached to the boat? Is the oil reservoir cap vented? Will the pressure blow any hoses off?
  15. Skidude17

    8hp leg / gear case stuck

    I’m trying to remove the lower leg on a new to me 1999 8hp 8ML mercury long shaft. I removed the pin at the top of the shift shaft, and the 3 nuts that hold the leg on, and loosened the piece in the middle of the shift shaft. The leg is stuck at the front of the drive. Their seems to be white...
  16. Skidude17

    Water in gear oil 1999 8ML

    I have a 1999 8ML (8hp 2stroke tiller) as a kicker on a new to me boat in June. It started and ran great every time I used it this summer...but when I went to change the gear oil I saw milk💩. What all do I need to tear apart and check / change? I was already planning on changing the impeller.
  17. Skidude17

    How to adjust engine alignment 1995 5.7L GenII

    I got a new to me 1995 SeaRay220 this year with a 5.7L Alpha1GenII drive SN 0F620818 engine SN 0F598365. After checking the engine alignment, there were very light witness marks on the bottom, but clear on all other sides and it was difficult to get the alignment tool in and out. I gave the...
  18. Skidude17

    Alpha 1 Gen II speedometer attachment missing

    I got a new to me boat this year, and I started winterizing it. It is 1995 SeaRay 220 with 5.7L Alpha 1 Gen II drive SN: 0F620818. When I pulled the drive, I noticed the speedometer connector is missing. There is a place for it to attach to the drive, but nothing was attached to it. Is this...
  19. Skidude17

    AQ150 / 270 how to remove flywheel cover

    Is there a trick to removing the flywheel cover? The drive shaft is still in there. I have the engine removed from the boat, and I'm trying to remove the flywheel cover, so I can mount it to my engine stand in order to replace the oil pan gasket. Additionally, any cautions or other things I...
  20. Skidude17

    AQ150 with AQ270 Oil in drive bellows

    I have a 19' Glasply with an AQ150 engine and AQ270 drive. I'm pulling the engine...again...due to an oil leak that I believe is coming from the oil pan gasket. To the point, I found fresh oil in my drive bellows. I assume this is coming from the outdrive, but would like some more insight...
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