Running Cool Page 2

Maintenance Q & A — May 2004
By Capt. Ken Kreisler

Running Cool
Part 2: Two-Stroke Acceleraton Problems, and more
 More of this Feature
• Keel Cooler, and more
• Two-Stroke Acceleration Problems, and more
• PMY Tries... FSR Big Job

 Related Resources
• Maintenance Q&A Index

I’m doing a small fiberglass project and am having trouble making straight end cuts on the plain-weave cloth. Before I waste any more cloth, do you have any tips on how to do this? D.V., via e-mail
First locate a single fiberglass strand that runs all the way across the fabric. If you can’t get a grip on the strand, cut a two- to three-inch slit into the edge of the fabric in order to expose more of the strand. Pull it out while holding down the opposite end of the fabric. Once you’ve removed this single strand, you’ll see a clear path to follow with your scissor or wheel cutter, both of which should be sharp.

I’ve noticed an occasional “flat spot” or hesitation upon acceleration from my tender’s two-stroke outboard. What could be wrong? V.P., via e-mail
Most likely the problem is a restricted main carburetor jet, although it could be water in the fuel or an excessively lean fuel mixture. Another possibility is a faulty accelerator pump, if your tender’s engine is so equipped. Replacing a carburetor jet or accelerator pump is work for a trained mechanic.

A small amount of gasoline was mistakenly put into my freshwater tank. None got through the system, and I emptied the tank. While I use this tank primarily for cleaning dishes and showering, there is a residual smell. How can I eliminate it? B.C., via e-mail

Unfortunately you’ll probably have to remove the tank from your boat. After doing so, seal its drain end, pour two gallons of undiluted rubbing alcohol along with a small amount of water into it, and swish it around. The alcohol will combine with the water as well as the residual hydrocarbons. When you pour out the solution—in the proper fashion—most of the gasoline will go with it. Repeat the procedure, then rinse the tank with clean water from a hose at full pressure, letting the water overflow for a few minutes.

Next, empty the tank and pour in the contents of a small box of baking soda. With the hose on full pressure, fill the tank until it’s half full, then reduce the pressure and fill the tank all the way. Let the mixture sit for a few minutes, empty it, and repeat the entire process. After this, you should not be able to detect any odor.

Need help with a maintenance problem? Write to Maintenance Q & A, Power & Motoryacht, 260 Madison Ave., 8th Fl., New York, NY 10016. Fax: (917) 256-2282. e-mail: No phone calls, please.

Next page > PMY Tries... FSR Big Job > Page 1, 2, 3

This article originally appeared in the April 2004 issue of Power & Motoryacht magazine.

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