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    mercury 800 80 hp 4 cylinder 72' missfires

    Hey there, I'm having some issues, I have invested a lot of time and money into this outboard. A little history I have replaced the internal and external harness CDI on both. I replaced the entire throttle assembly with a new replacement Merc control throttle assembly. Carbs have been gone...
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    trim and tilt 1972 mercury 800 80 hp outboard 4 cylinder

    Hi I have a 72' 800 with trim and tilt, I'm looking for a diagram for the lower half of the pump with the springs and detent balls.I took pics on my phone when I tore it down but my phone broke I lost all the images. The number stamped on the unit is 105255 also the number on the lower half is...
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    seal kits for Merc 800/ engine woes.

    I am working on a Mercury 800 (80hp) 4 cylinder. Serial 3190060. I am looking for a lower unit seal kit, a trim\ tilt unit reseal kit and complete water pump kit with housing. I am finding that the serial numbers for the part kits start at serial 419xxxx. I know it is getting harder to find...
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    1972 merc. 800 no spark?

    Hi, I am helping a friend repair his boat. We have a 1972 800 (80hp) 4 cylinder. He has a book but it is not OE. The wiring diagram colors do not match the switch box. (book thunderbolt III ignition) I currently have 12v to the red wire also at the rectifier. The mercury switch is gone. The...
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    lower unit tools

    So I am rebuilding/resealing my lower unit on a 79' Evinrude 85 V4. I have the factory service manual. I need a pair of snap ring or truarc pliers that are long enough to get the snap rings out of the lower unit. There is a good picture in the book these have a real long arms. Does anyone know...
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    Starter drive assembly?

    So I was about to buy a starter drive assembly off of i boats, and realized it may not be the correct one. I went to Sierra's page also. I found some old posts here to. I have a 1979 Evinrude V-4 85hp. I have the Prestolite starter. The teeth are worn out. The OE # 386102 does not match the...
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    evinrude 85hp 1979 V4

    hey guys got a few questions, I finally got my manual the other day (OEM) it rocks! now I know why everyone says to spend the money it is worth it. My question is what do I use in the lower unit for oil. can I use gear oil like GL-4 or does it have to be marine lube? I know I don't need to use...
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    Trim and tilt stuck up

    I finally got a engine to replace my old one it is a 85hp V4 1979 the trim and tilt are stuck in the up position the motor makes noise in both positions of the switch the motor will not lower I opened the hard line going to the center ram and fluid comes out milky white I am guessing water got...
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    1972 evinrude 125 Ignition

    Hi, I have a 1972 evinrude 125 Hydro-electric shift outboard, I got it seperate from my boat I am trying to wire in the controls, they were cut when I got them. I ordered a new ignition switch from OMC P/N 0386947 it replace my old unit P/N 383493. The problem I am having is I think my new $50...
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