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    engine swapped now starts won't die

    Embarrassing with so little info, but, Shade tree mechanic swapped motors for my bro. Older (?) 40 merc. for newer (?) 40 merc. Didn't swap controls & wires, just cut wires. Old harness from controls had 6 wires, newer eng. had 9 or 10 wires coming out of harness from eng. We've finally figured...
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    installing new hub in merc. quicksilver stainless 23p

    I've read & watched u-tube videos & they all say tap the hubs in with rubber mallet or hammer. When I drop mine in, it just slides in & needs no tapping. when all the way in I can feel a slight bit of looseness, not loose & floppy by no means, but can feel it isn't a tight fit. Tried 2 different...
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    New to me Lazer II with 3 square PVS vent holes

    Mercury Lazer II has 3 square vent holes, With this prop can regulate the performance by installing 1, 2, or 3 of the plugs, or do I got to have all 3 holes the same, open or closed?
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    Old 115 all wires have insulation falling off

    Some of the old Mercury (Tower of power) wiring harnesses were bad about the insulation getting brittle & falling off, Mercury realized this & fixed it, Does anyone know what year this problem was corrected. My buddy's ( Mid 70"s ) 115 if we look at the wires, the insulation just falls off.
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    Can't find elusive alum. trailer wheel

    Lug centric wheels seem to be a thing of the past. My trailer has alum. 15" X 6" on 4.5" bolt pattern, outlaw 2 wheels, that are "LUG CENTRIC". The trailer has a mount for a spare tire, but had no spare when I bought it. Not being able to find a "LUG CENTRIC", I bought & tried a hub centric, &...
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    1974 merc 1150 idle adjust

    My buddy's old boat starts & runs fine, but idles at appx. 1300 rpm. It idled fine till he had a non professional (shade tree) mechanic work on a fuel pump problem, pump problem fixed, but now excessive idle speed. We found the idle adjust screw, at the dist., & started backing it off. The idle...
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    O/B on jack plate, how high is too high???

    19' fiberglass bass boat with 150 merc. What will be first thing I will notice when I get the eng. too high. I've been raising it a little at a time & nothing seems to change. Nose goes quite high on take off then plains off nicely, I'm thinking the higher the eng. the less the nose will lift...
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    Prop... sleeve, spacer, bushing, ring, blow-by seal

    I've found there is a part, hard rubber or plastic, that slides or snaps on the front of a small hub Merc prop, that makes it the same size O.D. as a big hub Merc prop. It reduces the exhaust aerating the water in front of the prop, so makes the small hub work with a big gearcase with no...
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    Hub size again

    I'm still looking at props. Now looking at 2 Quicksilver prop. A Lazer II with # etched in the barrel is 48-16316 19P. I've seen others with the #'s 48-16316 A4 19P. & a Quicksilver Mirage 48-16544 19P. I called the Mercury customer support phone, & they couldn't tell me for sure if either of...
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    I can't figure out this site !!!

    Kind of new here, trying to send a private message to a member, but can't get it out. I push private message, next page is who it's to, then subject, then message. At bottom it has 3 boxes cancel, preview, post. that doesn't look right, most places have a "send" box, this page doesn't. I tried...
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    Hub size

    Fooling with my 18' bass boat /w mercury black max XR2 150 hp. owned it appx.17yr. It came with a Quicksilver 3 blade 23p prop, & there was appx. 3/16" space between outer wall of prop & inner wall of lower unit. I just figured that's how it should be. Appx. 12 yr. ago, I traded for a 4 blade...
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    How much change from 4 blade to 5 blade

    I have a 1997 19' BMC bass boat, heavy, but have no idea how many lbs. Mercury Black Max XR4 150hp eng. prop has no name nor # that I can find, it came from a prop shop in Nashville. I was told it was a 13" 24 pi. When taking off, the motor moans & strains for appx. 8 to 10 sec. before it...
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