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    OX66 problem-Please advice!

    From what I recall about the flame test, that sporadic fluctuation is what is expected - given the drastic temperature changes from he torch. The resistance test is done with engine off. The voltage test would be done with it running. I never got around to having the need to do the running...
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    180 Sportsman Trailer bunk/roller setup pics

    The (2) 2x4's are plenty to support an 18' boat, so no problem there. Getting more hull contact would be good, so as not to rely so much on that bow keel roller. From the pictures, it looks like you could drop the rear support lower and/or raise the front support. If you can move the front...
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    Anyone add a 2nd Bilge pump in the stern of their boat?

    I'd recommend making the second one a 'high water' or 'emergency' pump. This one would only need a float switch (makes wiring easy, too) and you would mount the float switch a few inches higher (an L-bracket/shelf attached to a stringer, for example) than the main pump. I'd also suggest making...
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    OX66 problem-Please advice!

    I typed this in your other post about parts - just copying and pasting to this one: I'd assume your manual should be at least mostly the same as mine. Afterall, 02 sensors didn't change. But go to the electrical section (Ch. 8 in my book) and you'll see it listed. But quickly... resistance...
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    Yamaha parts shipping and out-the-door speed

    I'd assume your manual should be at least mostly the same as mine. Afterall, 02 sensors didn't change. But go to the electrical section (Ch. 8 in my book) and you'll see it listed. But quickly... resistance should be less than 100 ohms between the white wires. Voltage should be less than .3V...
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    Boat plugs

    Yeah, I was a bit confused about the thread title, too? Change your mind on the subject of the post? Obviously you can get a "matching" cupholder from your Grady dealer. But there's about a 99% chance you can get the same thing through aftermarket retailers (Grady doesn't build cupholders...
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    Yamaha parts shipping and out-the-door speed

    I like SIM, too. Nice people and good customer service. Did you end up doing the tests to verify the O2 is the issue? Hate to just throw parts at something, you know?
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    OX66 problem-Please advice!

    Alaska, I attribute the clean sensor/dogbone to the RingFree. The last time I checked it, I took it to the local Yamaha dealer to get the right gasket. The guy took one look at it and said "You must be using RingFree. No one's is ever THAT clean without using RingFree". If you're not...
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    What NOT to do while towing

    In contrast to the other thread of towing rigs, got any good stories of what NOT to do? I'll start... I was probably about 17, working at a small marina - and looking back, lot's of corners where cut at this place... which is kinda the underlying theme of this post. Well, we had to move a...
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    Fuel fill hose replacement.

    Good deal! I know some are worried about cutting more holes in a boat but there's already a whole bunch of them. Another one ain't gonna hurt. Besides, it makes the job soooo much easier! Best practice... rotate the dual worm gear clamps 180* to each other so the gears are on opposite sides...
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    OX66 problem-Please advice!

    Do you have a service manual? I don't have mine handy, but there are tests in there that you can run on the O2 sensor with a DMM and they are very easy to do. By they way, I run Startron and RingFree religiously - my dogbone actually stays quite clean. So much so that I haven't even pulled it...
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    Tow Vehicles

    Pulling smaller boats (22' to 24' in my book) is certainly WELL within the capabilities of a gasser. But certainly, it never hurts to go bigger. I've towed with so many combinations over the years, it's hard to remember... gas Yukons/Suburbans/Pickups, diesel Suburban, diesel pickups both...
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    Swim Platform Replacement - 208

    Looks nice! Now go swimming - the virus is afraid of the water! ;)
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    Sanipottie Head

    Well, you answered your own question there. If it's leaking from that spot, there's a crack. You shouldn't need to look inside the tank (which can be done with an inspection camera). The crack should be visible from the outside. Some plastics are hard to glue - but you could try it...
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    Changing trailer wheel size

    Before you mount them... check the date code on the tire. You don't want to get stuck with "new" tires that have been sitting on a shelf in some hot warehouse for 4 years a because that company buys tires that other companies are getting rid of because they have "expired". Otherwise, that...
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    2007 Marlin diesel tank question

    Is there a good area to add a deck plate for quick, visual inspection? But, yeah, test the sender with an ohm meter. If it works (should read between something like 33 and 240 ohms for a typical sender... but check my memory on that), replace the gasket and wire in a gauge somewhere...
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    Installing aft bilge pump

    First, bilge pumps should generally last a few decades - as long as you buy a good one to start with... and there are plenty of "good" ones. Removing the screwed down hatch actually isn't that big of a deal - it just looks like a daunting task because of the size of it. But, really, all it...
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    2007 Marlin diesel tank question

    I don't have any first-hand experience with that, but... I thought I remember reading somewhere that the fuel gauge is at the genny control panel? Can you confirm/deny? Looking at that sender, it appears to be original (and also looks like you need to replace the gasket). So, again, without...
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    Swim Platform Replacement - 208

    Good idea - before it breaks and someone gets hurt, for sure! :) FYI... those "grooves"... don't worry about it. Just bolt it on and go swimming. Absolutely not needed. What I would do, though, is to route the aft edge - round it over - otherwise it could be uncomfortable underfoot (being a...
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    Shower sump pump ?'s

    Ah, yeah, that's a totally different scenario! Try "rule shower drain box". Whale and Johnson are couple other manufacturer's you could look at. Rule is probably the most commonly used (in lot's of brands of boats), though.