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  1. mercurymang

    850 Cowling Removal

    Can anyone tell me how to remove the lower cowling on my 75 850. Does the powerhead have to be removed to get it off?
  2. mercurymang

    Hotwiring my 850

    I bought a 75 850 and was able to get everything with it including the power trim and merccontrol. The only thing is didn't have was a key. My wiring harness has already been cut halfway between the merccontrol and the engine. I want to try to start it up just to see if it runs and if not i'm...
  3. mercurymang

    Paint vs Gelcoat

    While waiting for the boating season to come to an end, I'm gearing up for what may be a full rebuild on my 74 ebbtide. Thanks to this site, I think I have most of what i need to get started on the fiberglass work. One question i have that I am still unsure of is this. My hull is pretty beat...
  4. mercurymang

    Fuel Question

    I just purchased a donor '75 650 triple for a parts motor and so I could tear it apart for fun just to check it out. It has two carbs and had been told that the upper carb feeds the top cylinder and the bottom carb feeds cylinders 2 and 3. After cracking open this afternoon, it is appears that...
  5. mercurymang

    Pulliing a boat motor

    So I bought another motor yesterday. This is my second time to go out to someone's place and pull the motor and put it in the back of my suburban. Both times I have enlisted the help of the seller to hoist the thing into my suv. It's a pain. I guess i don't plan to make a habit out of it but...
  6. mercurymang

    Grease seals

    I'm about to take a trip and decided to crack open the hubs on my old shoreline trailer for inspection. The bearings appear to be ok but the seals are shot. I didn't think about it being hard to find replacements but I'm running into a little trouble. I measured the inner and outer diameters...
  7. mercurymang

    No Reverse

    I have a 75 650 and recently started having an issue going into reverse. The first thing i noticed was that the motor was not locking when attempting to reverse it was grinding slightly and the motor was popping up a little like the locking mechanism was not working. Now I have consistent...
  8. mercurymang

    Mercontrol Cable Ends

    Can anyone tell me how to get the ends of the mercontrol control cables off. I'm talking about the plastic ends that go to the motor. There's a small metal pin that fits in the end. I'm pretty sure that is what holds it on and I can seem to get it off. I want to get the cables out and clean...
  9. mercurymang

    Skis for kids

    My son is 10 and wants to take a shot at water skiing. What size (length) should I be looking for? Any suggestions? Edit: I guess I should ask this as well. Should I get the skis that are attached or does that teach them to rely on it?
  10. mercurymang

    PL Question... What is it?

    I have discovered a soft spot in my floor towards the rear and have decided that over the winter I am going to open it up and see what going on in there. I have already readied myself for the worst case scenario so I've doing some reading up on here so that when the time comes, i'll be...
  11. mercurymang

    Wiring Advice

    I have recently installed a few electronics on by boat and have wiring running up under the gunwhales. I bought little plastic hooks with peel off sticky backs on them but they fell off in fairly short order. Then I pulled the sticky back off, ruffed them up and put some jb weld on them...
  12. mercurymang

    Break Away Trailer

    I purchased a boat and trailer (first one) last year. Midway down the center of the trailer is a spring loaded handle. Looks like if you pull it the trailer will basically pivot. I'm not sure what the purpose is of this setup. Can anyone fill me in on this design?
  13. mercurymang

    Best Oil for '75 Merc 650

    I'm quite sure this has been discussed ad-nauseum some where on here but I couldn't find it so I'll ask the question. Walmart has the Quicksilver premium plus with the red label for $20/gal. They also have the QS synthetic in the blue label for $27/gal. I usually buy the 16oz synthetic for $4...
  14. mercurymang

    Tri-Hull Boat Cover

    Anyone have any advice on a tri-hull boat cover. I purchased one at academy for under $100 that said it was for a tri-hull but it didn't really look like it for a tri-hull to me. More like a reguler v-hull type fit. I was able to make it work but it filled up with water during a recent rain...
  15. mercurymang

    Starter Solenoid or Switch

    I posted about this sometime back but still have not resolved it. Mainly because I have been able to work around it but it seems to have been getting worse. My issue is that sometimes when I try to start the motor up, I have to move the control lever back and forth to find just the right spot...
  16. mercurymang

    Boating Lake Caddo

    Anybody here ever boat Lake Caddo in TX/LA. The wife and are are thinking about heading there for a couple of days. Is it worth it to take the boat. My fear is that it's a "stumpy" lake and I'll just lose my lower unit but I really don't know. Would love to hear first hand from people who have...
  17. mercurymang

    Adding Power Trim

    Re: Adding Power Trim Ok, I was bleeding it without putting the cap back on. I had the bleed screws completely removed but nothing was coming out of the bleed port. One issue I'm trying to figure out is the connector for one of the hoses is leaking pretty bad at the pump. It had a brass...
  18. mercurymang

    Adding Power Trim

    Re: Adding Power Trim I finally found a motor off of craigslist with a TT setup. It's a '75 850. I got everything. Motor, trim, trim pump and mercontrol for $200. I built a hoist and stand and got it moved this afternoon. take a look at the trim cylinders. One is thicker than the...
  19. mercurymang

    Moving engine from floor to stand

    I just bought a '75 850 that I managed to get home and is currently laying on my shop floor. I am going to build an engine stand and some sort of lift mechanism to get up up on the stand so I can start breaking it down. My question is this. I have the lift eye that threads into the flywheel...
  20. mercurymang

    Power Trim Find

    So I came across a motor on craigslist. 85 hp merc with TT for $300. The guy says that the trim cylinders leak a little. can they be re-sealed or is the more likely that they are un-repairable?
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