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  1. R

    Quick easy question

    First time winterizing by myself. How many drain plugs in a 1982 mercruiser 120? And are they brass plugs or petcocks? I am assuming one under each manifold and one below the block somewhere.
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    mystery problem

    I posted a while back regarding my boat dying on the water. It shut off just like someone turned off the key. Well I figured it was a spark issue/ignition issue. Nope. Spark from coil. Not as strong as i'd like but the battery is a little low. I then checked for fuel. No fuel coming out of the...
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    Boat died QUICK

    This past sunday I was out with friends on erie. On the way to turtle island i hit a patch of shallow ground and chewed up the prop really good. Surprised it actually worked to be honest. Thats neither here nor there, just frustrated. We got to turtle, stayed for a couple hours and left. On the...
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    1989 Yamaha WR500F

    Just picked this ski up for $450. First Ski. It runs great but is pretty slow. Like 30mph. Does anyone know what yamaha engines I can directly bolt up to this? Was thinking maybe a 650cc waverunner III engine? If there is no easy engine swaps for this, is there a place where i can get an...
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    Replace entire throttle control?

    1982 Mercruiser 120, with original no name throttle box/control. Neutral safety switch was acting up so i decided to just replace the whole thing. I got the Uflex B184M made specifically for mercruiser cables. It caomes with a neutral safety switch, and trim switch. ' How hard are these to...
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    Shift Interruptor Switch

    Where would it be located in a 1982 Imperial with a Mercruiser 120 and Alpha one drive (originally came with pre alpha I believe). I only need to know because I am replacing the throttle box, and need to know if its in the throttle control box or not.
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    Minute amount of water in lower unit

    After a couple times out on the water, when i check the outdrive oil, a few drips of water (maybe a teaspoon) come out first and then straight, non milky, fresh gear lube. Also, no leaks on dry land. My mechanic said it was most likely condensation from checking the lube so much, since the seals...
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    How to check exhaust flappers

    Like the title says. And how do i know if they are bad? I have a knock only at idle. Goes away when any throttle is applied, and nerver happens when i put it in gear, at any speed. 1982 Mercruiser 120, which has been totally rebuilt 3 years ago. I thought rod knock, but mechanic said its...
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    Alpha one holes, buddy plugged them

    My buddy just picked up a new, used, alpha one drive for his mercruiser 140.... off of another boat with a mercruiser 140. The new drive has 2 holes on either side of the upper (pictured) and his old drive did not. They sort of look like they are meant to be there, but mine doesnt have them...
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    Plugged Hole = bad?

    I boat on lake erie, which i have to get to by way of the maumee river (toledo, oh). Anyone who knows of the maumee knows its dirty, muddy and filled with debris. My problem is that my alpha one water drain at the just above the lower unit nose cone is constantly getting clogged, to the point...
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    gurus, Help ID hole, and why it is there, pic

    I have never figured out what this hole (pictured) in my bellhousing. It was clearly drilled by someone. It is smooth and perfectly circular, with no threading. It doesnt appear to do anything, or affect anything. It is very top right, in the upper part of the "hump" in the bell housing. One...
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    Drive identification

    On mercstuff it is one of the ways to identify the drive. It says : A. Top cover is flat. Pre - Alpha has a hump on it with a hole thru it. B. Area around vent hole is smooth. Pre - Alpha has ribs. C. Hole for plastic trim tab cover is 1/2 diameter. Pre - Alpha is 7/16. Mine definitely has...
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    140 outdrive on 120 engine

    The guy i bought my boat from put an alpha one outdrive, from a mercruiser 140..... on a mercruiser 120 engine.... that was from 1982 (assuming it wasnt an alpha 1) Can you see any problems putting an alpha one outdrive from a mercruiser 140.... on a boat with a mercruiser 120 that was...
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    Checking Lower unit oil

    What do you guys do for checking the lower unit oil. I am sort of anal, and i check my fluids often.... my mechanic said "if you think its bad... change it." BUT Im not gonna change my lower unit oil every couple weekends. I got a little concerned because i changed my vent screw and nothing came...
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    Weird Question... maybe

    I used my boat on sunday, it had been sitting for a month and a half, and the battery still had a charge. I took her out of the water and put her in the garage..... and left the key in the boat, in the on position (accidentally). I go there today, battery is dead as a doornail. Now this may...
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    Can someone help me out.

    Can someone tell me what the optimal WOT RPM's for a mid 80's mercruiser 120 is? At WOT my boat is at 4000 rpm's. Its has been totally rebuilt from the ground up 3 years ago (with paperwork). Have never had any problems with it. Purrs like a kitten and accelerates QUICKLY. But the guy who had...
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    Drive oil

    I changed my lower unit oil and tilted my drive in the UP position. I came out this morning and there was some oil in the driveway, and upon closer inspection, it was leaking out of the "upper unit" screw labelled "oil vent" that you use to fill it up. To my reccollection this has never...
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    Weird question

    My boat, on the sides where you can lay fishing poles, is carpeted, but beneath the carpeting on the side of the boat there is foam bulging out everywhere. Unevenly, like someone did it aftermarket, or it "expanded" .... Almost to the point the where the side compartments arent useable. Never...
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    Does iboats carry this?

    Parts for eska outboards? Dont see anyplace here....My outboard lost spark, is there a place for parts?
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    Trolling help

    I am looking for an eletric trolling motor for my boat. It is an 18 foot open bow, weighing in at 2k lbs. What lbs of thrust would you reccomend, or is there a place that has a trolling motor selector program? Just looking to go 2-3 mph, and be able to do so in chop/wind.
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