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    Flywheel Trigger Magnet testing???

    Hello all, This is a followup thread to on I posted about a week ago. I have a 1999 Mercury 90 HP. It had a lot of problems. I am convinced that it overheated on the #1 cylinder. here is whai I know about the motor. After warm up it has a very erratic spark on #1 all the time. #2 has...
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    1999 Mercury 90 HP 3 CYL no power & rough idle

    Hello all! I have run into a very hard to diagnose problem. I have a 1999 90 HP 3 cyl marketed under tracker. At the end of last season the motor would run for about 5 minutes with reduced power and then nothing. It really was not maintained well so I decided to look at the usual suspects. I...
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    1999 Merc 90 Hp

    Hello all, Got an interesting one here... Maybe someone has a bright idea and i won't have to spend many hours tracking down electrical problems. Have 1999 3 Cyl 90 Hp outboard on a pontoon. It will run fine for about the 1st 10 minutes of operation in the morning only. After that it loses...
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    225 Engine Noise on VHF radio

    Now I am really frustrated! I have installed a new VHF radio and antenna. I get alternator / ignition whine on it when listening to radio traffic. I have replaced the wiring coming from the battery compartment, the antenna is in the same location as the old one. I have replaced the power...
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    225 broken shaft removal

    Hello, I have a 1990's 225 gear case. the drive shaft snapped off at the pinion bearing today. I have gotten the gearcase taken apart all the way to the point where you remove the pinion gear. I cannot remove the nut, due to the drive shaft geing broken off. I can pull the prop shaft out...
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