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    outdrive install problems.

    Have a alpha 1 outdrive and just reinstalled outdrive after the winter and having shifter problems. I can see the upper shifter rides on top of the lower shifter(where outdrive mates to gimbal unit) almost as if the lower shifter needs to be lifted and if i use my fingers in there the lower one...
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    Impeller shim availaility

    Im replacing my outdrive after inspection and can't find the shim for the water impeller, is that part available or do i need to buy the whole pump? tried to find it on schematic and didn't, or what I should say is the piece is listed in exploded drawing but the p/n below the drawing do not look...
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    corsa silent choice

    On a 350 v-8 mercruiser do you have to pull the engine to install the silent choice? right now it's all stock exhaust. Thanks
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    bilge pump questions

    I have 2 battery setup with a Perko battery switch and a on/off dashboard switch connected thru a float switch. If I turn my perko switch off the bilge will not turn on, if i turn the Perko on I would have to put my dash switch to on position and also have a red indicator light showing all the...
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    paint o/d

    Other than how it looks is there anything wrong with brush painting my outdrive black with rustoleum paint? It's 22 years old so not concerned about cosmetics.
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    oil o ring

    I separated my lower unit from upper for inspection on a alpha 1, I ssee there is a very small rubber gasket/o ring that connects the oil passageway from the bottom to top unit, does this get replaced for every inspection or reused? can it be bought alone? What is the name of that o ring? Thanks
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    Overheat questions

    I have a 1988 merc v-8 350 ci that has been overheating during idling and slow speed, finally removed the lower unit today for impeller inspection and the unit looks brand new, like it was just replaced. I have only had the boat this summer the previous owner told me his mechanic told him that...
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    Serial number ??

    I removed my circa 1988 Alpha One outdrive just recently and would like to buy some parts to freshen it up. I can't find a serial number on the unit itself and all the retailers ask for the serial number. Can anyone tell me where to find serial number? I have paper that says serial # is...
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    Tow vehicle help

    OK, I have a 3500lbs (dry weight) boat that I need to drop in the water in the spring and remove in the fall, I travel about a 4 mile distance from house to lake on quiet country roads. Here's the question, I would like to buy a second hand vehicle capable of the job. I would like it to be...
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    Milk white fluid by transom

    I have a 1988 350 magnum engine with a alpha one outdrive and splashed the boat this weekend. Had a faint click/clack sound and opened the engine cover and saw about one inch above where the driveshaft goes thru the transom on a piece of metal which looks like part of the transom mount two drops...
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    Lower Unit washer

    Are the washers the same for fill and vent? talking about an Alpha one, here. looked in service manual 6 and did not see p/n#'s, anyone know? Thanks
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    350 vs 350 magnum

    I have a 350 magnum and it is listed as 270 hp, 10 more than a regular 350, the specs for both engines are the same including compression, i'm having a debate with a friend about the difference between engines, some say pistons, others say cranks, 2 bolt or 4 bolt main. anybody know for sure? thanks
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    Lower unit oil

    I was just at one of the big box stores and they wanted 10 bucks a quart for Quicksilver High performance gear lube. Sounds a bit expensive, is that about right? is there a non high performance? any other substitutes available? Thanks
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    Reading Serial numbers

    My 1988 Merc 350 mag has a sticker on it that says "Stern Drive Unit Serial # & gear ratio OC381550", can that tell me what generation drive I have and what my gear ratio is? A Neighbor mentioned to me that my drive may have been updated because in 88 the trim hydraulic hoses were rubber and...
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    Overheat question

    I have a 350 mag with alpha one drive, when cruising at low RPM for extended periods the temp starts to rise, as soon as we get underway the temps are fine and stay constant. Is it wise to try changing out the tstat initially just because it's simplest and see what happens? If so, any specific...
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    lower unit oil

    On a Merc alpha 1 gen 1, what lower unit oil is acceptable? Does it have to be marine specific? Thanks
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    Previously drilled transom holes

    I will be adding a depth sounder with transom mounted transducer to my boat. There are already some old holes that have been sealed, possibly with 5200 but not sure, can that stuff be drilled or will it act kinda rubbery like silicone? Can I put the electric wire thru the hole with speedo pitot...
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    NE1 done "application for a boat HIN" in NYS

    Just wondering if anyone has done the whole process and if this will work for an old 1971 boat with no paperwork. Thanks
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    Hybrid trim questions-Bennett/Insta-trim

    On a newly purchased (used ) boat i have a insta-trim system installed, also on the boat is a bennett auto trim tab switch, black box(gyro?) and a panel for the connectors, apparently at one time the bennett system was installed then returned to insta-trim for a reason unknown to me. I was...
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    one more bilge pump question

    I have a double battery system with a perko switch, should the bilge pump be connected directly to battery or can I have it connected ti pos "1" for e.g. on the battery switch? Thanks
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