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    WOT sputter/popping...low RPM

    ...This is in regards to my 1971 Mercury 1150 (115 HP) outboard. Problem: When I advance the throttle to wide open it will sputter and pop as well as only reaching 3200 RPM. ...If I back the throttle off of wide open a touch it will stop sputtering/popping and slowly climb to 3800-4000 RPM...
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    Prop Wizard accuracy?

    ...I decided to try the prop wizard, for getting me in the right range for a new prop. This prop is for a 1971 1150 Mercury (115 hp) fitted on a 19' Marquis closed bow. The hull is a semi-v. This motor has never ran on this boat before. There are no trim tabs, or PTT. I should be hitting...
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    Coil resistance?

    Hi again folks, This is in regards to a 71' 1150 (115 hp) Merc. I am trying to troubleshoot an ignition problem and I am on the coil atm. I am doing a simple ohms test. 1. "pos" and "neg" lead wire on the Rx1 scale = 0 (which is correct) 2. Either of the primary leads and coil tower on the...
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    2 cycle oil/gas mix color?

    ...Ok this may seem a bit odd but here goes. I hitched up the boat today to take her down to the gas station to fill er 'up. Before I left the house I added a quart of 2 cycle oil, enough of oil added with 12 gallons of gas to make a 50:1 ratio. That was O.K I made it down to the gas station...
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    2 cycle oil/gas miX color?

    (I hope this is in the right forum) ...Ok this may seem a bit odd but here goes. I hitched up the boat today to take her down to the gas station to fill er 'up. Before I left the house I added a quart of 2 cycle oil, enough of oil added with 12 gallons of gas to make a 50:1 ratio. That...
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    Low RPM..only reaches 3k

    Hello yet again :) This is in regards to a 1971 1150 (115 hp) Mercury outboard. On a 19' closed bow with a 17" pitch prop (3 blade). When I ran the boat in the lake a few weeks ago it would only reach 3000 rpm at WOT. So I decided to do a link and sync. I finished that today, primary pickup...
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    .464 timing mark on 71' 1150 merc

    This is for a 1971 1150 (115 hp) mercury. Ok, I am a bit confused here. My motor does not have a timing pointer installed, and from what I understand that year did not come with a separate pointer, they were scribed into the cowl support around the flywheel. And my mark is gone on the cowl...
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    Timing pointer?....

    I went to adjust my timing the other day on my 71' 1150 (115 hp) merc. After I pulled the cowlings off and the top cover I noticed no timing pointer? There is a tape on the flywheel with the timing mark but no pointer that stands out at me? I did see what looks like a pin hole on the...
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    removing drain plug/water help...

    Well I put the boat in the water today for about 30 minutes. After I got back home with the boat on the trailer I remember to pull the drain plug, when I pulled it, a few cups of water came out. Is that a normal amount of water to be draining out of there? It has been through a pretty heavy...
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    Lost reverse after changing impeller

    This is a 1971 mercury 1150 (115 hp) Well I changed the water pump, everything went ok except trying to get the intake tube to seat into the waterpump housing. I put the boat on the lake today and come to find out I have no reverse gear. When I try to shift into reverse it just grinds? What...
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    Tach wiring help...attached pics

    Greetings, I also posted this in the electrics forum, I am not sure where to post:confused: I am in need of a bit of help..I am in the process of identifying wires/rewiring on the boat. The owner before me seems to have a bit of a mess here with wires. I am onto the tach wires and trying to...
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    Tach wiring help...attached pics

    Greetings, I am in need of a bit of help..I am in the process of identifying wires/rewiring on the boat. The owner before me seems to have a bit of a mess here with wires. I am onto the tach wires and trying to figure these out. I have attached photos. This is for a 1971 115 hp inline...
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    71' 1150 Inline 6 idle mixture carb adjustment

    I am going to be fine tuning the carbs up and I was wondering when I adjust the idle mixture do I adjust one carb at a time or turn the three of them equal distances and wait for the results? thanks in advance for the help.
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    Gear Oil for 71' 115 merc

    I just picked up a boat/motor combo with a 1971 115 hp merc tower of power. I want to change the gear lube...I do not have a manual for it, and the only brand motors I have ran are johnny/rudes. What brand/weight should I use? Thanks in advance.
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    71' Merc 115

    Can anyone comment on the 1971 115 hp Merc O/B? I am looking at a boat/motor/trailer package with this motor on it. He says the motor has 140 compression in all of the cylinders. But it has a hard time starting cold. After the first start it is easy to start. Comments/opinions please? Are...
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    oozing from charge coils/stator

    This is in regards to a 73' 65 hp Rude. I have not started the motor in a few months and last time I did it ran fine. I pulled the hood off today to check things out and I saw this oozing from the charge coils. See attached pic. Should I change the stator?
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    Test propeller

    Where can I buy a test propeller to run my 73' 65 hp Evinrude O/B on muffs?
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    Connecticut trailer lighting

    I have a homemade boat trailer that will be going in for inspection next week, to have a VIN assigned. The only lighting I have on the trailer is stop/tail/turn signals. The trailer is under 80" wide. Do I need any additional lights such as amber lights/reflectors on the front portion, or red...
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    New 73' Evinrude controls help

    Hi Folks, Where can I buy side mount single lever controls for my 73' 65 HP Evinrude? I am going to mount the ignition, hot horn, choke etc. separate on the dash. So I can use generic controls. I found dual lever controls, but I was looking for a single lever for the neutral safety...
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    Installing new electrical system

    Hello folks, I have a 16' crownline runabout that I am in the process of completely redoing. I am on the electrical system atm. First I need help with the battery selection. I will be running bow/stern lights, courtesy lights, AM/FM radio/speakers, (possibly VHF radio as well), accessory...
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