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    Going to be an owner of new 200hp Optimax..

    Hi there, once the finances are approved I'll own an 08 21 ft Mako with a 200hp optimax. I'm assuming the engine is the same year. Almost every kind of boat I am interested in purchasing comes with a Mercury on it so I guess I'm going to own one regardless of my opinions. I'm wondering if...
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    New Mako 21ft Iinshore

    Hi there, I'm looking at purchasing a Mako 21ft Inshore with a 200hp Optimax. Base model boat, the dealer says 28k, and that's down from the normal 31k. Nada has this boat listed at 18,200 (low) 20,900 (high) with a 150hp and no trailer. The package I'm looking at for 28k has the trailer. This...
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    89 50hp to 2000 90hp controls?

    I'm wanting to replace my 89 pro50lf with a 2000 90hp. Both are yamaha outboards, but I've been told that I need some sort of pigtail adapter or something to make my current controls (89 50hp) work with the new 2000 model 90hp. Is this sounding right? Anything else that I need to know or might...
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    1989 Pro50LF doesn't idle well and bogs

    I own a 1989 Pro50LF. I rebuilt it about 3 years ago and the cylinders compressions (from 1-3) are 125, 110, 116. I removed the oil injection and mix in the gas manually. One symptom is a hard miss at idle. Somtimes it runs fine then all of the sudden the miss starts. Occasionally, the miss...
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    Yamaha 50 very rough idle & bogs

    Motor rebuilt 2 years ago and hardly used. I have gone through the carbs 2 times in the last year, everything clean and not sticking. I have installed a new fuel pump. Symptoms are very rough idle with a hard miss, sometimes hard enough to make it die. Also, while trying to plane off once given...
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    Pro50LF

    I rebuilt my 89 50hp yamaha a little over a year ago. It's just now getting to the point where I don't have to run extra oil for the break-in. I believe the reason the engine burned up is due to failure of the 3rd cylinder getting oil. I have redone the lines and check valves from the oil pump...
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    1989 Yamaha 50hp, engine noise

    A few months ago I had the boat out on a fishing trip and everything appeared in normal working order and good running condition. The following weekend I took my folks out on a fishing trip and things started to go wrong. <br /><br />At first it would bog and die out at WOT like it was starving...
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    Pro 50LF

    Hi there, I own a Yamaha Model #:Pro 50LF. I'm currently experiencing 2 problems. <br /><br />This engine is equipped with oil injection. When I tilt the engine up for travel, oil seems to be leaking out of the front of the carbs, making a huge mess under the cowl and in the back of the boat. In...
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