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    Running on one cylinder

    I have a 2002 Mercury 40ELPTO ser# OT457635. It seems that only one plug is getting spark because it won't start and acts like it's flooding unless I take off the gas hose and start it with only the gas left in the motor. If I get it started that way it is very smokey and when I connect the hose...
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    25hp Johnson no spark

    I'm trying to help out my girlfirends son who recently bought a used 25hp Johnson( late 70s model I believe). It ran for awhile after he first bought it, but now he says there is no spark. He did the usual testing and changed out the plugs to no avail. What would be the next most logical steps?
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    1967 Glastron

    I may have previously asked this question wrong so here goes attempt #2. I have a 1967 Glastron Fireflite V155 with a 1976 65 hp Merc (no power trim & tilt). Whether I am in the boat alone behind the wheel or if there is someone in the seat next to me the boat leans drastically to the right when...
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    1976 Marc 650

    Bought A 1976 Merc 650 at auction. Replaced the impeller,replaced lower unit grease and put it on our boat. Starts ok and shifts fine. When I give it throttle it doesn't immediately hit full power. If I run it for several minutes it seems to "kick in" and then runs smooth and I can go 30mph. I...
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    67 Glatron tilt

    Just got the old 1967 Glastron back in the water last weekend after replacing floor and changing out motors. I now have two problems that I need assistance on. 1. My 76 Merc 65hp starts and runs but doesn't seem to run on all three cycinders until it after I run it awhile. Doesn't matter if...
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    Dropping lower unit

    Let me start by saying I do have some mechanical ability. That being said I could use some direction having never dropped a lower unit on an outboard motor before. I have a 1976 Mercury 650 that I would like to replace the impeller on. Can someone give me step by step PLEASE?
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    Replace impeller on 1976 65hp merc?

    I recently bought a 1976 65 hp merc at auction and dropped it on my boat with no previous knowledge or history of the motor operation or ability to test it prior to installation. All I was told is that it runs good. Well luck have it, it starts, shifts, and runs smooth. Problem is I don't see...
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