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  1. M

    Need help, overheating at cruise rpm

    So, i have a 85 searay 250, mercruiser 260 350 with a alpha one gen one, last year at the end of the season I started to overheat at cruise, i came back in and all fine, boat sat in well for probably 3 weeks and when I went to to take it out I noticed my temp gauge was up after being on plane...
  2. M

    Replacing wood for hatch covers

    Wood on my rear hatch covers are rotted out, i got all the old wood out and I'm gonna put a new a sheet of 3/4 ply down under it, what's the best adhesive to secure it to my cover, also I'm thinking this time of putting a epoxy over it to seal it, can somebody tell me what I should use to glue...
  3. M

    Upper gearcase pinion bearing replacement

    Ok, i have a alpha one generation one, every year I pull drive, this year the yoke seal was leaking, pulled retainer ring and pulled shaft. I still have the slip fit bearing/gear design, gears don't look too good but no chipped or broken teeth, worst gear is the drive gear, ill get a pic of it...
  4. M

    Trim tab blowout

    Was checking the operation of my tabs when I heard a loud pop, let off switch and went and looked and cylinder blew out, can I fix this cylinder or do I need a new one, can somebody help me out with this
  5. M

    Alpha one shift adjustment

    Ahoy, I'm putting a 85 searay 250 cuddy fisherman together, I have been working on the shift adjustment, I adjusted the lower cable to 6 inches from center of pin to barrel, free Play in cable I have about 1/2 a inch, spec is 9/16, I'm getting about 3 1/8 inch of travel on cable from selector...
  6. M

    Thunderbolt 4

    You guys think this ok to run, it's the pickup in the distributor, ran fine before, just doing maintenance
  7. M

    1985 sea ray 250 cuddy cabin square scupper valve

    I have a 1985 sea ray 250 cuddy cabin I am putting together for fishing, it has a square scupper valve at the back of the boat, there is no rubber inside of it to keep waves from coming in, all the scupper valves I see are round. I have looked at pictures of other boats like mine online and I...
  8. M

    Spider cracks

    Bought a 85 sea ray 250cc, boat runs good, I did find some rot in the bilge. I will have pictures to show you, also I did find some spider cracking on the outside of the hull, bottom of the transom. I paid 3200 bucks for this one. Sold my 89 larson dc 215 and picked this one up, for the rot in...
  9. M

    1985 sea ray 250 cc fisherman

    Hey fellas, I bought a 1985 sea ray 250, runs very well and I have the morning cover, bimini, campertop, snap in and out carpet, I really like the boat. Boat overall is pretty good condition, however while doing some checking I found some rot back in the bilge area. Rear bulkhead is soft and...
  10. M

    Winterizing engine without antifreeze tank

    Ok mates it's that time of the year again. I know after I drain and probe the drain cocks on my motor I'm winterized but I like to put a little rv marine antifreeze in also. I have one of those tanks you fill up with antifreeze and suck it through. I wanna take the hoses off this year though and...
  11. M

    Hooking up two tachs to coil

    Wanting to test how accurate my original in dash tach is. I was thinking about buying one from autozone and hooking it up too. Will two tachs hooked off coil negative screw accuracy up or cause a problem. Running thunderbolt iv. 89. Also what is the color of the original tach wire for this...
  12. M

    Nicer planing and better cruise

    Ahoy there mates. Got a 89 Larson dc 215. It's a cruiser. 22 foot long cuddly cabin. Wanting prop advice. I boat in lake Erie so holeshot and good cruise is what I'm after. She has a mercruiser 230 hp 305 4 bbl carb couple to a alpha one. She has a little bit of a hard time getting on plane and...
  13. M

    First fireup today

    Got a question. So I put new elbows and manifolds and raw water pump on my boat. Did this over the winter. Fired her up today and it took quite awhile for it to start pushing water out the exhaust. Finally did but I had to shut down once cause I was afraid something was wrong. Finally started...
  14. M

    Transducer mounting

    Quick question on a transducer. I have done my research but cant really figure one thing out. I have a v hull. My question is should I mount the transducer straight across the hull or should I angle it to be at the same angle as the hull
  15. M

    Mercruiser trim pump solenoids

    Ahoy there sailors captain of the Emma jean reporting in. What's a good set of solenoids for my trim pump my down solenoid is bad. Here is what they look like
  16. M

    Trim limit switch

    Ok I got my new limit switch installed. It's a sierra. I aligned index Mark's on unit. I believe. I see a mark on the housing but nothing on the dial except one of the tabs looks to be like a mark on top. Is this right. Anyways no matter where I turn the switch my trim stops in the exact same...
  17. M

    Bell housing gasket

    %$#@ bell housing gasket keeps squeezing out on the edge where it the thinnest. I painted the surfaces and maybe there's too much paint in that area. Anyways I loosened the nuts up and pushed that part back in there and tightened drive back up while keeping both sides pushed back in. That's kind...
  18. M

    Plugging holes in transom

    Hey fellas. I'm wanting to remove my speedometer finger and plug the old holes off. Attach a transducer mounting block and install speedo finger and transducer on this. I was gonna take the screws out of the hull originally for the finger and fill the holes up with 5200. What do you guys think...
  19. M

    Trim limit switch wiring

    Ok I got the sender figured out. I can't find wires for the limit switch. Right now the trim works using trailer switch and also trim switch. Both up and down. I looked at the wiring diagram under my thread bellows replacement. I can't find where the switch plugs in though. Is it on the main...
  20. M

    Trim switches

    Getting ready to put new switches on drive bell housing. How do you know where to put switches at when you install them
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