Recent content by tommr

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    Early to mid 60s 6 hp merc compatibility.

    I have a 6 hp merc serial number 1878560 which looks like a 65-66 and it needs a few things like the shifter lever and throttle handle. I have a line on a pair of early 6 hp and the serial number on the white one is 1413424. No serial number on the black one. Seller thinks they are the same...
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    Inatalling Sierra 18-5297 Points conversion kit

    I am finally getting around to installing the conversion kit to do away with points. I have the kit and most of the instructions seem straight forward but there are several issues. 1. No locking nuts included but I am fairly sure I can come up with something. 2. No Plastic feeler gauge included...
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    Cleaning points

    Pulled the boat out after being in storage for 2 winters (after 2 trips with a tank to inflate 2 flat tires) and cranked it over a few times with no fire. I took a little piece of 400 wet or dry paper, folded it in half and gently rubbed it between closed points for 3 or 4 passes. Cranked it...
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    Mismatched trim cylinders 120 mercruiser OK?

    Trying to get my 1989 mercruiser 120 alpha 1 to function and I have located a replacement trim cylinder but the housing is about an inch shorter than the stock cylinder (14035-1) and the ram portion looks to be a bit longer, based on the paint? The housing looks the same, not round but flat...
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    water in trim hydraulics, sticky ram

    Is there a way to diagnose good or bad out drive trim rams and water infiltration? I have a 1989 Wellcraft with the 120 mercruser and alpha drive. Yesterday we had a problem where the out-drive would not go to the lowest position when the switch was pressed. It goes to the full up position no...
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    2.5 mercruser stumbles and wants to quit at 1/4

    Boat was running fine one day. Low speed, WOT, reverse and at idle speed on a reasonably smooth lake. Next day boat started out fine, left launch at idle speed, increased speed to half throttle as the water was very rough. Lots of boats, big boats and tour boats pushing up big wakes and...
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    Opps

    I was going to break these motors down for parts but now I am afraid to go near them.
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    Starter loose at top, 1983 65hp mercury outboard 3 cyl repost with photo

    Starter loose at top, 1983 65hp mercury outboard 3 cyl Please look at this photo. Is there suppose to be some kind of bushing at the top of this starter? There is about 1/8" space all around the top and it wiggles by hand. I can not imagine it would engage properly as the top is not...
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    Starter loose at top, 1983 65hp mercury outboard 3 cyl

    Please look at this photo. Is there suppose to be some kind of bushing at the top of this starter? There is about 1/8" space all around the top and it wiggles by hand. I can not imagine it would engage properly as the top is not secured at all. I bought this pig in a poke 65hp mercury from a...
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    Removing gear case 1963 mercury 65hp

    Removing gear case 1963 mercury 65hp I removed the long bolt that holds the trim tab I removed the hex cap screw under the trim tab I removed the 2 - 5/8 nuts on the bottom of the anti vent plate I loosened the 2 - 5/8 nuts on the top either side of gear case I removed the 5/8 nut on the very...
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    1963 65hp lower unit compatability

    Does anyone know off hand which gear cases are interchangeable with a 1963 Mercury 65 hp? I have a line on a running motor but it has a problem. The prop shaft bearing carrier is broken, evidently due to frozen water in the case. I can not look at it as it's 150 miles away. I do not assume the...
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    Will white grease turn gear lube milky?

    I recently resealed the gear case on my 40 hp Lark 1961. ( or at least tried to ) I used white grease to hold the pinion gears in place prior to re installing the pinion gear, just because that can of grease was handy. I would estimate a teaspoon or so, maybe a bit more. We took the boat for a...
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    Resealing Evinrude 1961 40 hp Lark III gear case

    My gear case is leaking and the oil is contaminated with water so I have torn it all down. I noticed the Sierra kit only contains a single drive shaft seal. I am not sure which direction to put it. It seems like it would need to go flat metal side down to contain the drive shaft bushing. It also...
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    Water in oil 1961 lark III 40 hp

    I resealed the gear case to my 40hp outboard. I pumped oil in and ran it for a few minutes in a barrel to be sure that when we got to the lake it would run. And yes I used new screw washers and one of my big snap on screwdrivers with a wrench to make sure they were tight. Just to be sure I...
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    1961 40hp Lark III carb linkage question.

    While testing out the motor at the lake, after making it ready after many moons of setting out back on a pallet, I found it lacking power. I brought it home and pulled the recoil to check the points with the plan to work from the coils to the plugs as I installed new points, coils and spark plug...
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