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    '07/08 Optimax 200hp constant alarm -SOLVED

    I was on vacation for 9 days and had to deal with this on a brand new boat (last 08 model). Luckily I was able to work around it without hurting the engine, but it's in the dealer who is covered by 30 boats (or so they say) at the moment so it looks like it might be awhile. Here's how it goes...
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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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