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    Merc 350 - Overheats when winterizing

    I have a 1990 Merc 350 magnum. I started winterizing last night. I have the DIY boat winterizer that is a 5 gallon jug with a "T" for both fresh water and antifreeze. Everything runs fine with fresh water and temp stays about 1/2 way on the temp guage. Once I cut the water flow and start the...
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    Trim Guage Not functioning

    Problem: Trim guage not working.<br /><br><br />Engine/Outdrive: 1991 Merc 350Mag w/ Alpha MR/I outdrive<br /><br><br />Diagnosis: 1. Replaced trim guage with no new results. 2. Checked wiring/continutity with starboard side trim limit switch/sensor - ok, checked continuity with port side...
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    Cracked Block - From Freezing?

    I purchased a boat last August. After checking it out everything appeared normal. Ran good, etc. <br /><br />While I was winterizing in Oct. I changed plugs, but while down there I noticed a bulge and rusty seam. It was definately a crack running parrallel with the head about 4" down. Not...
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