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    Mercury 850 Thunderbolt re: Wiring Diagram

    Hi guys have a Mercury 850 Thunderbolt which I am working on and another job I need to do (seems never ending) is too wire up a new ignition/choke switch as I am not using the old Mercontrol but instead a new aftermarket one I have. Going to order a new ignition switch that I can wire into the...
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    Help re: Bent Shaft on Merc 850

    Hi guys been restoring a 16' wilker and on the last stages, those being the engine which is a Merc 850 (circa 73-1974) . Hoping to get it out for our Canadian long weekend, and sure you will know what I mean by saying the girlfriend is about ready to kill me cause I have been saying just another...
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    Mercury 850 Engine Rebuild Planning Stages

    Hey guys planning on rebuilding engine during the off season and just researching the cheapest parts and kits and was wondering what the engine guys here would recommended I clean up and replace. The engine I have is a Merc 850, compression is reading 140 +/-3 on all cylinders, have a newer...
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    Mercury 850 Propeller Shaft Question

    Hey guys would anyone happen to know if the propeller shaft remained the same for the production run for the Mercury 850 (85 h.p) which ran from 1973 to 1977? Mainly just curious about the spine count to understand interchange ability between lower unit swap outs and propeller swap outs.
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    Interlux Brushing Liguid 333 re:Cheaper Alternative

    Hi guys, got all prepped last night for priming/painting, everything is all laid out and going to do a two part brush clean up so have containers full of brushing liquid where I will dip the brush in one can and immediately place in another can. Needless to say I am going to go through quite a...
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    Thought I would share this re: vintage engine decals

    Trying to find decals for an older 70's Merc 850 and stumbled upon this site. You can select a year and model and you will find a big gif image for decal. www.nymarine.ca e.g of decal I need. http://www.nymarine.ca/73ME850WEBPIC.gif Just sharing which I hope is allowed.
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    Windshield re: Plexiglass (Acrylic) or Lexan

    Hi guys was curious if there is an easy way to tell if your boat windsheild is plexiglass or lexan, escpeially from a boat from the 70's. Also has anyone had any luck cleaning and polishing a windshield. Reason I ask is pricing out replacing and will not be the cheapest so hoping I can just...
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    Mercury 850 re: Replacing complete lower unit assembly

    Hi guys hoping someone might have the answer I am looking for. I have an old Mercury 850 outboard engine (circa 73-77) and would like to replace the complete lower unit housing and assemblies. Been browsing around hoping to come across and engine I can steal from but to expand my...
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    Install Blower near bow to help keep floor stingers dry

    Hi guys...just went thru a complete stringers, floor, and transom rebuild and just working on the finishing touches. The boat is a 16' runabout. To help in drying out the stringer area and under floor I have installed several small hatches that I can pop out to help get some air under the floor...
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    Interlux Brightside Painting re: steps

    Hi guys about ready to start painting the deck which will consist of painting over gelcoat and paint. Most of the deck is gelcoat but there is a 4" wide strip of paint above the rub rail. I just need to finish repairing a few minor cracks and then will start the painting prep, here are the...
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    Transom Rebuild - steps

    Hi guys managed to get the old transom removed this weekend and a new one cut up, fitted, and clamp system ready to go as there was a slight bow in the center. Original transom consisted of outside fiberglass, 3/4" plwood, 1/2" plywood, and one layer of fiberglass mat which I am duplicating...
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    Boat Max. Rated for 115 hp...will 135 hp worrk.

    Hi guys in process of restoring an 16' Wilker fiberglass boat, current motor on the boat is a Mercury 850 (85 hp) that needs some major work done to it. Just found a guy that will sell me a 1973 135 hp Evinrude for cheap, compression on each of the four cylinders is 110 and he still has the...
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    Gaps between hull and floor (Fiberglas Rookie)

    Hey guys getting ready to glass the stringers, frames and floor back in. Things are pretty much ground down to where I want them just need to clean up and wipe down with acetone. This will be my first time ever using polyester resisn and fiberglass and have one small question. I have a good...
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    Removing deck / cap from hull - fiberglass question

    Hey guys spent the better part of a day and half removing rusted screws from the rub rail (which I manage to do with 3" cut of wheel and saved the rub rail extrusion) and then removed the rusted screws from the deck to hull joint (which is shoebox). Lets just say after cursing these rusted...
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    Removing deck / cap from hull - fiberglass question

    Hey guys spent the better part of a day and half removing rusted screws from the rub rail (which I manage to do with 3" cut of wheel and saved the rub rail extrusion) and then removed the rusted screws from the deck to hull joint (which is shoebox). Lets just say after cursing these rusted...
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    New stringers and floor question on fiberglass resins?

    Hi guys in the process of a restoring a 1979 18' Wilker boat. Right now the floor has been ripped up and stringers removed and also managed to grind down the old fibergass that was used to hold the flooring and stringers down. Here is my plan of attack for next stages once I have the new...
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    Rotary Steering Question

    Hi guys, another question this time related to the steering. It seems the person who had the boat before welded an aftermarket steering wheel directly to the center axel instead of mounting correctly so you can remove it. What I did was cut out a section of the dash board (with steering wheel...
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    Replacing Remote Engine Control

    Hi guys, new to this forum and new to the whole boat restore/repair. Hoping someone can point me in the right direction about replacing a remote engine control. Details that hope will help clarify: Mercur 850 - 85 hp (not sure what year but guess they were built between 73-77') I am...
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