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    Lower unit oil fitting

    I'm trying to replace the oil in the lower unit of my 1971 Evinrude TwinSki 40. I have one of these pump mechanisms for the job; https://smile.amazon.com/gp/product/B004UOPZ9S/ref=oh_aui_detailpage_o01_s00?ie=UTF8&psc=1 however, neither of the fittings supplied is small enough to fit the lower...
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    Starter gear gets stuck

    On my '71 Evinrude TwinSki 40, a couple of times recently the starter gear that engages the flywheel has gotten stuck there. It gets lodged there with the teeth not engaged. It's quite difficult to break it loose. I did replace the gear on the starter, but it still happened again. The flywheel...
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    1971 Evinrude 40 drain plug location

    Here (attached) is the lower unit of my 1971 Evinrude Twin Ski 40 that I bought this summer. I recognize the vent plug for the lower unit oil, near the top of the picture. (I think I can just make out the words, "OIL VENT" by it.) As for the fill-plug, I see a smaller screw head that takes a...
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    starter drive gear question

    I went to start my 1971-era Evinrude TwinSki 40 (Model 40153B) this afternoon, but there was just a click and nothing more. Upon looking, I saw that the gear that the starter spins to engage the big gear on top of the motor, was jammed in with the big gear it engages (see photo of the gears...
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    Leaking Starcraft Falcon

    I recently picked up an older Starcraft Falcon (14' aluminum boat, serial # 961356). Upon putting it in the water, lo & behold water has appeared inside. I cranked it up on the hoist, and after an hour water stopped dripping as the bottom dried, but the water remains inside. Questions: --Any...
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    Carb mystery

    I bought a 1971 Evinrude 40 that had not been run for a couple of years. The previous owner said he had winterized/Stabilized it, but it will only run for 5 ? 60 seconds (choked). Then if you wait a minute and try again, it will do the same thing. Sounds like a gummed-up carb? I can't figure out...
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    Stuck hitch

    I have a ridiculously stupid problem. My hitches and hitch-mounted carrying rack get stuck in the receiver. I have tried wire brushing them and oiling them. This spring it seems worse than ever. I can't believe that I can't figure out something so simple; not like a complicated carburetor or...
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    "Ear muff" question

    I just picked up a 1960's vintage boat with an Evinrude Twin Ski 40. I want to run the motor a bit to check things out at home. I put on a set of what I call "ear muffs" (You probably know what I mean; don't know the real term); but it looks the intake holes are so close to a fin that I can...
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    Power tilt; manual release

    My power tilt has stopped working on my '86 Cobra 2.5. It's the last straw. If I can get her out of the water, I'm going to pass her on to someone who likes mechanical stuff that needs lots of fixing. However, right now it's on the hoist, with the drive stuck in the down position. The water is...
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    Recalcitrant prop tilter

    My 1986 2.5 liter OMC Cobra (Rinker boat) has decided to stop letting me raise & lower the prop. When I push the switch, it clicks back there, but nothing else. The problem began out of the blue--it wouldn?t go down; however I ran the boat for a bit in the raised position; then it agreed to go...
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    Electrical question

    My 1970's vintage OMC Cobra unexpectedly had a dead battery recently. I put a tester in series with the battery, and found that with everything off, there was a slight current. Am I right in understanding that this is a problem? I tried disconnecting the switches for the lights, prop tilt, pump...
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    Does not fire

    I have a new (to me) old boat with an OMC Cobra 2.5. It ran fine when I first got it. It then sat for a few weeks. During that time my cousin borrowed the battery (and then returned it). Now it cranks but does not fire. I?ve tried starting fluid. In addition to the battery cables, my battery has...
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