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    Torque/ Alpha 1 problems

    I am tearing up prop hubs and Alpha drives. In 2 seasons I twisted the vertical drive shaft of an Alpha 1, I twisted off 3 prop hubs and now I have destroyed something inside the new Alpha unit unit. The upstart is I have never hit anything. Aluminum prop is pristine. After consulting with...
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    Repeated prop hub failures.

    I originally started this post under Mercruiser but maybe this is better place to ask a final question: I have a 1988' Searay Dundancer 260 with a 7.4 liter Mercruiser engine and Alpha 1 drive. With different props and new hardware I have spun 4 prop hubs. I have never hit anything. Usually...
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    Help with prop hub spun issues

    OK guys, no one seems to be able to figure this one out. Last year I bought a 1988 Searay Sundancer with a 7.4L Mercruiser and Alpha one stern drive. Every second time I took it out last year the prop hub would spin. We did not hit anything and we were running the throttle in the river like a...
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    Help! Engine coupler/prop spun problem BIG TIME HELP NEEDED!

    A little bit of history. About three months ago I bought a 268DA Sea ray Sundancer with the 7.4L Mercruiser engine. Almost immediately I had drive problems. Second time out I felt a 'clunk' and I assumed we hit something but it was deep and middle of the channel. After the 'clunk' the prop...
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    Alpha gear & prop question

    I blew the sterndrive on my 1988" Sun Dancer 268DA with the stock 7.4L engine It originally had an Alpha 1 with 1.32 gear ratio. I can get an STI aftermarket fairly cheaply but the closest gear ratio they offer is 1.47 Checking out this prop website calculator I see I can get very similar...
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    Removing Dinette seat top in 1988' Searay Sundancer

    I have a dumb question. I am installing an AC unit in a 1988' Sundancer 286DA. I am installing it under the stern dinette bench. This bench slides out a little (I assume to aid in getting up from behind the table). But I can not find a way to remove the bench top to gain access to the inside...
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    1983' V4 evinrude 115hp Excessive idle speed

    This one has me perplexed. Last year I installed a rebuilt head and the engine ran great. The Trim & Tilt motor failed and I yanked the boat out of the water for the season. I repaired the tilt motor and just re-installed it. Everything works. But when I started the motor it ran at very high...
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    Tilt/Trim Hydraulic Pump Problems-Need Help

    I have a problem with tilt/trim on a 1984 115hp V4 evinrude outboard. The tilt won't go up and down. I believe there is air trapped in the system as I opened the bypass valve and air shot out prior to some fluid. Filled it up. Motor runs strong. I thought these trim assemblies were...
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    Tilt/Trim problem

    Hello- I am having a devil of a time figuring this problem out. My tilt/Trim was working perfectly until the motor went dead I pulled the old motor off and installed a new one. Now the motor runs fine but the unit operates like the bypass valve is open despite the screw being tightened very...
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    removing tilt and trim from 115hp V4 evinrude

    I have been rebuilding a 1984 Evinrude 115hp V4. Model E115TLCRD it seems one problem leads to another and now the tilt trim doesn't work. It just stopped mid tilt when we finished putting the lower unit back on. Worked fine up till then. I can hear clicking at the tilt motor but no...
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    compression on rebuilt 84' 115hp correct?

    I just put together a rebuilt engine for my 1984' V4 115hp As a reference I ran a compression check on the cylinders 1-4 and got 120, 110, 120, 100 seems the port bank is a little low. Should I be concerned at all? Also is proper technique to squirt a little oil in each cylinder before...
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    Rebuilt engine 115hp V4 timing problems

    Guys- I have been rebuilding a 1984 Evinrude 115hp V4. Model E115TLCRD I have it all back together and ready to test fire the engine. She backfires explosively. It suggests the timing is waay off. I was meticulous about hooking up the same wiring harness (everything labeled, photos etc) But...
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    Fuel flow chart 1984' 115hp Evinrude V4 Flat head

    I am just about finishing up a rebuild on my model E115TLCRD with the VRO removed. I meticulously recorded all wires, vacume lines etc but my son removed the fuel pump and didn't record where the lines went. I got the line to the carbs and the line to the gas tank installed but on the side of...
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    What is this part??

    I am in the process of installing a powerhead on a 1983 115HP V4 flatback While dissasembling the rotor/flywheel assembly bits and pieces of what looks like some sort of insulator fell out. I can't find it on any schematic. It would fit inside the crankcase head and bearing assembly around...
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    Question on Shift linkage O ring 115hp 1983' Evinrude

    I have a little confusion. I had water intrusion on my 1983' 115hp Evinrude V4. After a pressure test I noted the leakage was at the shift rod bearing in the cover. I took it apart but see no obvious O-ring, nor a real place to install one. I have the factory manual and it just says 'Install...
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    1983' Evinrude 115hp shift rod length

    I asked this question the other day without an answer. I am going to really simplify it now with hopes of a response. What is the correct shift rod length for a 1983' 20" 115hp Evinrude? I assume the measurement would be while in neutral from the fitting to the tip? Thank you for anyone that...
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    HELP! Evinrude 1983' 115hp V4 Shift rod adjustment

    I have a 1983 Evinrude 115hp 20" Outboard. I just added a 5" extension kit to it and now I have a problem. Everything went together perfectly but i found the shift rod wouldn't budge so I took it all apart and found the rod screwed down so low it did not permit shifting (must be because the...
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    Pontoon boat cavitation & Vibration

    I just bought an old 1989 24 foot Party Barge Paontoon boat. When acquired it had a blown engine which I had replaced by a 1984 rebuilt V4 Evenrude 115hp.<br /><br />We seem to have some vibration from the lower end of the unit and at about 40% throttle it cavitates very badly.<br /><br />The...
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