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  1. J

    Trailer axle capacity/sizing

    Shoreline trailers are no longer in business right? I have a single axle trailer with a 2x3 axle. Trying to figure out weight capacity. A google search shows multiple weight rating for that size axle from 3500 to 5200? How do I find out what it will hold. It's built like a brick shithouse. Also...
  2. J

    Is this trailer repairable?

    Entire trailer is completely solid except the area between the red marks on both sides. Dual axle roller trailer seems a shame to toss it
  3. J

    What foam for seats and where to buy

    Redoing seats. What foam (density/ILD) for the 2 back square seats and for the rear section that flips up. That section can be rock hard but the seats I'd like to be somewhat comfortable and also not flatten down to nothing when you sit on them. And where to buy. Foam Factory and amazon stuff...
  4. J

    Free Mercury Tower of Power

    I can get a free 1984 1150 inline 6 with all the controls. It turns over that's all I know. Seems to be in pretty good shape. I took the plugs out and they seemed okay. I know these motors have a good reputation and a bit of a cult following. I've always had a Mercruiser and don't know the first...
  5. J

    Stainless riser fitment help.. with numbers

    Looking to buy used stainless elbows on cast manifolds in saltwater . These are older flange type instead of long through bolts, any issues with that? Riser#816900C Motor# OC753700 Will be replacing manifolds at the same time with new ones Will it work?
  6. J

    Nerding out on seat cushion foam...what to get

    Does it really matter that much between open cell and closed cell...anti microbial or fast dry? I'm reading some last between three and seven years and others between 7 and 10... density and all sorts of other stuff..I'm redoing the back two seats and the long flip up section. It's an older boat...
  7. J

    Massive vibrations...then none

    1990 4.3 Gen one drive. It went out perfect. Then on the way back it idled fine but as soon as I gave it gas leaving the channel it had massive vibrations. the whole boat was shuttering. Immediatly dropped it back to idle. It happened 2 more times and I said it looks like where limping back to...
  8. J

    Trim wiring advice needed

    New controller Merc Commander 4000. 3 wires coming off controller. red green blue. 4 wires coming off boat red green blue brown. I "think" the switch is a dual action up switch (trailer/trim) Do I splice the brown and blue (up) wires coming off the boat to the blue wire on controller OR do I...
  9. J

    Cables for 4000 Gen 2 controller

    Is the Seastar CC189 series my only option or are there other generic universal cables? Any numbers or links if there are? Seems strange that's my only option but it's all that comes up in my search
  10. J

    What shifter/throttle cables

    1990 4.3 carbed engine I just bought new controls and want to get new cables. I'm seeing Extreme, Red Jacket among others. What are decent cables and which numbers/style do I need. 660A..33c among all the others numbers available?
  11. J

    Throttle lever issues. Replace or repair

    33-year-old Morse throttle lever. After lay-up issues. New lower cable a couple years ago. Goes into forward fine does not go into reverse unless I push on the centerpiece while engaging. Then it works fine but not something I want to deal with on the ramp. Nothing is grinding I'm confident...
  12. J

    Gimbal bearing. Is this normal?

    Is this normal for a greasable gimbal bearing? One side is open slightly which looks like it will let grease through.The rest of the hole looks sealed. Should there be a hole for the grease to flow to the bearing or is this normal. If it's not normal anyone have a pic of a greaseable gimbal...
  13. J

    Should I grease upper gear case housing before install?

    I Replaced the upper seal on an Alpha one Gen one. The one that goes on the yoke. Before reinstalling should I grease the housing or the outside of the bearing pack? If so do I use grease or outdrive oil or does it slide in dry Also, My shim pack has 3 shims that stayed together from the grease...
  14. J

    Quicksilver 5W30 for all sterndrives

    Quicksilver 5W30 for ALL sterndrives. What happened to only using 25w40? I've been using 5w30 full synthetic oil for the last few years in my 4.3. This debate has been going on forever and now Quicksilver which is synonymous with Mercury is making a lower viscosity oil for Mercruisers...has it...
  15. J

    Risers and manifolds at the same time?

    Why are they usually changed at the same time? If there is no water in the manifold shouldn't it last far longer than the risers? Is it just because of where they mate together being rusted out or corroded? If that area is good do they need to be changed out with a riser swap?
  16. J

    Bad knock and then not...Hydrolock?

    1990 Mercruiser 4.3 Boat has been running flawless and never had any issues internally. After taking out the boat without issue I came home and put it on the muffs as usual. When cranking it over the boat made loud knocking sound. I immediately shut it down. I fired it up again and it happened...
  17. J

    Bimini top advice needed

    My boat came with a bimini top that attaches to the windshied but it's to low and makes you feel trapped. I've seen the ones that you can stand under on other boats and see them for sale. They look like they need to be screwed in to the boat which is fine. My question is can they be set up and...
  18. J

    same speed with different props

    mercruiser 4.3 Alpha 1 gen 1 With a 19 pitch I hit 39 mph WOT. RPM around 4800 Switched to a 21 pitch and hit the same 39 MPH WOT With the 21 it's a bit more work getting out of the hole and the RPM dropped to around 4400 so the prop is making a difference correctly as far as that goes; Can't...
  19. J

    How to test tach for accuracy?

    My gauge works but I'm not sure how accurate it is. I bought one of those cheap tachometers you wrap around the spark plug wire to compare. At idle boat tach read 800 RPM. The wire one read 1500 At WOT the boat read around 4800 the wire one read 7000 Motor was definitely screaming at WOT but...
  20. J

    Changing upper oil seal in Mercruiser alpha one

    Leaking outdrive oil in bellows Going to change the seal in the bearings. Watching some videos and one recommends using the product in the link to make sure everything is lines up within the bearing assembly . Do I really need that or aligning the bearing assembly by eye and feel will be...
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