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    merc / tohatsu or yamaha

    I have a 9.9 merc. EXLH merc. big foot 4Stroke outboard>>serial # OT546522 Three dealers have given me three different answers to the question>>who made this engine???? Merc. / Tohatsu / or Yamaha thanks for your help...
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    plastic fuel filters and pre 1984 hoses

    An article in "Seaworthy" mag. states, all engines built prior to 1984 have hoses that were not built to "SAE J 1527" standards, and are not capable of withstanding ethanol blends. The article also states that "Some older boats may still have plastic fuel filters bowls and should be replaced."...
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    where can i find NGK - BUHWZ plugs?

    a couple days ago I was reading a thread about NGK BUHWZ spark plugs helping with the "cold" start and run issues associated with the old Merc. engines. I looked on I Boats and called two of my local parts houses and none have this plug even listed in their books???? Anyone know where these...
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    information on old Merc. 100hp

    Hi guys.... I have an opertunity to replace my 86 Merc. 45hp with a 65 Merc. 100hp. (the boat is rated for 90hp.) Question #1. does the 100 Merc. wiegh any more than the 80 or 90hp. Mercs. ? Question #2. Is the old 100 Merc. in line six a good engine? Or is this an engine to stay away from...
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    Force outboard reliability

    Well, having been around outboards most of my life, and hearing the many comments of "don't buy a force, I mean Farce" I shall now ask the question why??? I have had Mercs., Honda's and Nissans and considered the Mercs. a pile, so where does that put Force? I recently bought a 18' Larson with...
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    1986 Merc. hard start when cold

    1986 Merc. 45hp 2 stroke non tiller outboard. Just got this engine and boat, when cold it does not want to start. If I crank on it and advance the throttle just as it tries to fire, it will take then will fire on the second crank as long as it is warm. The electric choke solonoid works fine...
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    45 hp 86 merc lower end

    Thank guys and Fastbullet for all the help, unit in almost ready to install. One minor issue, where can I find a 8M0034 stud for the lower unit. I need one of the two studs in the front of the lower unit. I called a couple dealers and they said that they were no longer available from Merc...
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    45 hp lower unit stuck

    update II 1986 45hp Finally got the lower unit off! The main shaft bearing pr-load pin is rusted so bad that it is frozen and will not come loose. Have soaked it for two days, and still frozen in the main shaft. Can I heat it ?? cut it off and drill it! either way, I need a new pin and...
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    1986 Merc. 45hp lower end wont come off..

    Update..II 11/21/11 Finally, after plastic wedges and slide hammer, the lower unit did drop out. The splines were clean and in good shape, not so the upper drive shaft pin that pre loads the bearing that is below the water pump. Rusted to the point of being badly pitted. Now the next issue, I...
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    value of a 1997 Yame 9.9

    first question, where does NADA get there prices from? They have this engine valued a $695, no way, no how. Anyway, does anyone have a relistic value for a 1997 yamaha, low hrs. long shaft, electric start, power tilt, tiller, 4 blade prop. lower end... thanks
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    Help! lower unit will not come off.

    1986 Merc. 45hp ELPTO #0A996708 Still trying to remove the lower unit, have tried in vain for two days to remove the lower unit so as I can replace the water pump. Followed the directions in my Solic Merc. book, removed all three bolts, drained the unit and put into forward, pryed and beat the...
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    50 hp merc. slow on water to **** tube

    I posted the other day on a 1979 50 hp. Merc. that takes 5 to 7 seconds to get water to the **** tube, consenious of comments said "replace the water pump. OK, I looked up the serial # for parts, and found that the motor is not the same year as the boat, and not a 50hp. although the decal says...
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    questions on cooling system 1979 merc 50hp

    I just inhearatred a 1979>50hp merc 4cyl. (and boat>oh joy) after starting I noticed that it took about seven seconds to get water to the **** hole. (good strong stream ) After about five min. of running at 1200 rpm I stuck my hand under the **** stream and panicked as the water was HOT! Having...
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