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Just curious, but if oil molecules are larger than water molecules, and after you change the lower unit oil and no oil is leaking out through the vent or fill hole, how can water get in through those holes?

I just changed the lower gear oil in my 75HP outboard and noticed that it was somewhat milky in color. I didn't notice any metal parts (fine or otherwise). Is it normal to have a little water in the lower unit? The owners manual states that it's ok to see fine metal in the oil, but mine came...

I've used the Pettit Ultima SR on my sailboat with very good results (minimal growth, that washed off easily at seasons end haul out, south shore of Long Island). I think it performed well as the boat sat alot and when it did move, didn't go very fast. I'm probably going to try the Pettit...

I've had Honda, Suzuki, and Tohatsu 4 strokes, in the small (15 hp and under) sizes and while they were all good, liked the Tohatsu the best. I now have a Mercury 75 hp two stroke with about 400 hours and so far it runs good, only stupid complaints, like an oil tank that leaks from the fill...

I'm not a big fan of shrink wrapping. You really want the boat to be able to breathe. Yeah, they can put vents in, but then what's the point of getting a skin tight plastic seal from the shrink wrapping? I think it's mainly for people that don't want to bother with putting a tarp on...

Continuing with online purchase sites, has anyone bought tools, etc. from harborfreight.com? They seem very inexpensive (cheap?) I really like their 45 watt solar panel kit and some tools they have... Thanks. -Mark

With my Honda automobile, I change out the drain plug washer maybe every 5 or 6 oil changes... if that. Like Tyboo said as long as you haven't really cranked down on it (you'll see an indentation on it if you have) then you can reuse them without any worries. -Mark

I have a 75 HP Mercury 2 stroke running an aluminum 13 1/4" X 17" prop. I need a new propeller and would like to go to a slightly lower pitch as I'm just barely touching the low end of the rpm I should be at at WOT. I get about 4600 rpm when WOT should be 4700-5200. The problem is when...

Your boat mechanic should be referred to as your former boat mechanic. Only use the fuses the device is specified for. A stalled or jammed motor draws a whole lot of current as there is no back emf to oppose the current flow. More than likely if the 10 amp fuse is the correct fuse for that...

I was trying to find out on the API website what percentages of product (diesel, gasoline, kerosene, lubricants, asphalt, tar, some womens make-up, etc) come from a barrel of oil, but to no avail, maybe someone has those figures... -Mark

Ed, Capacitive reactance deals with AC flowing through a capacitor. Not exactly what we have going on here. Never heard of the "Rint" of a battery. -Mark

John, In my original reply I didn't exactly understand where the 10 amp fuse was that was blowing. The reason I think it is blowing with the dead battery and the spot light on is the charger has to send current to charge the battery and when you turn the spot light on, that is now also...

Ed, If you short the battery you're going to have a lot of current flowing through the wrench since the resistance of the wrench is very low. The potential drop (voltage) across the wrench will also be very low because of this low resistance, thus your terminal voltage is very low. Let's...

Boris, The voltage and current determine the power, not the other way around. Devices are meant to operate at a certain voltage if they don't see their required minimum voltage, they won't operate, they won't pull more current. -Mark

Not sure what location has to do with responses on here, but for you Bob Austin I see it has a significance... As for your remark about BP standing up and saying they would take care of it, you must of missed their redirecting liability for the accident to Transocean and Halliburton. -Mark

John, Why does the 10 amp fuse blow only when the house batteries are low and you plug in more accessories? I would imagine that if they are low, they're not going to have the voltage to deliver the the amperage all the accessories are trying to pull. -Mark

It appears BP has been making one mistake after another. Besides all their violations before the rig explosion, after the rig exploded and the oil started coming out, it seems there only concern was how to capture the escaping oil, not stopping the flow of oil, nor were they any bit concerned...

With regards to the dehumidifier, why not just use a large desiccant? On my 26 foot sailboat, I had some minor mold/mildew problems and using the larger container desiccants solved that problem.

The only Apple product I ever had was an Apple IIe back in 1982. I still have it sitting in the closet, still works... Are the new Apple computers made in China like just about all the other brands? -Mark

I too have a Saturn Kaboat, the SK396. I bought it in 2008. The Saturn inflatables are very good quality in my opinion. They are made in Korea. I use to have a 1992 Quicksilver inflatable and that was made in Korea also, held up extremely well. The construction on the Saturn looks very...