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    135 Merc Thunderbolt Low idle Low RPM

    I bought a 17foot formula with a Merc 1971 135 on the back. It has taken me about a year to get it into operating condition. I replaced the lower unit because of some stripped out gears. Pulled all carbs and rebuilt. I finally got it into the water this past weekend, but it would die...
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    Lower Unit Rebuild

    I bought a project boat\motor a couple months ago, and I have never worked on boat motors before in my life, but am enjoying the challenge. I have a 1971 Mercury 135hp Outboard. This will be my 3rd water test and I want it to run like a champ. I have the motor running what I think...
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    1970's Thunderbolt 1350 Voltage Problem

    I have a early 70's Mercury 1350. Everything runs wonderfully idles fine, but I checked my voltage on the battery during idle and it is reading 35-50V DC. I changed the rectifier because I thought it was faulty, but it is still doing the same thing. There isn't a regulator on this and I am...
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