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Thanks for that explanation

I just don't see how a vane style pump can self prime. Granted physics class was a long time ago but I thought that vane pumps, throw water out due to centrifugal force but do not suck air in

In the back of my mind I remember something about lower units that were breaking and the fix (if you can call it that) was to reengineer a new version of the LU with a wider diameter carrier bearing housing. Does anyone remember that and if so was it specific to large HP Yamis? Maybe I just...

nice work.

First thought is impact damage but it would take a lot of force to crack that housing? Was the prop shaft bent? Second thought is water freezing and cracking the housing. Third thought is that something got jammed in the bearing carrier and pushed out the sides of the casting. If you turn the...

The issue is usually bubbles in the water. When steering forward, the churned water is aft of the vessel but when going in reverse, the churned/aerated water is moved forward under the hull. That can cause the transducer to break good water contact. I am assuming that the engines are turning to...

You have to determine if the issue is an alignment issue or a bad latch, If you close and lock the latch, does the door vibrate loose? If it does, check the latch at the 'catch' end to see if the lock itself can be pushed open. I have had (and doo have) latches that originally had internal...

If the pump dose not support self priming, it has to be 'wet' (in standing water) to pump. That means that both the Y valve and the plumbing/pump have to have fluid in them. You issue could be as simple as the case where you installed the new pump and repositioned one of the hoses to a higher...

Do you plan on powder coating yourself? Are you concerned about removing existing coatings? I don't see where you specified the bracket age but if relatively recent, Chromium based products probably would not have been used.

Dennis, I think we may have discussed the point about gear and stuff in the tow vehicle and how that counts. The topic brings back memories of the TV series The Honeymooners where Ralph and Norton have to move a heavy dresser. You have to laugh:)

Are you saying that you drained 3 gallons of water? It ran well on portable tank but did you try running on the boat tank?. Your gas may have suffered phase separation and if so, that gas can't be saved. If your gas did not phase separate, the best thing to add to the tank is fresh ethanol...

Since the white wire is on the same feed as the chart plotter, I assume the chart plotter stops working when the fuse blows. For now label the two white wires with the info on what they connected to and then disconnect them. If the fuse still blows, the load isn't because of them. If the fuses...

The OP may not realize that the load rating includes the trailer also. Average trailer weights for that size hull are approx 800 to 1100 or so pounds

I found this at the Sim Yamaha site The new 6YC Information Station is used with Command Link® and Command Link Plus® applications, and with up to two outboards. This saves console space while giving the operator more information in a an easier-to-understand format. The color display is easy to...

This is probably obvious but make sure you are triming the motors the same angle. Don't rely on the trim gauges, they may be off. Also verify that other than rotating direction, both props are the same and there is no damage to eother one. The aim of these checks is to identify if the leaning...

If your vent is aft, the fuel will back up into the vent ( and the fill of course ). At some point the gas backwash will be high enough to trip the nozzle. Although filling slowly is one way to maximize the fill, boats with vapor recovery tanks should not be repeatedly topped off during a...

I don't particularly like that assembly but try sliding the winch /bow roller arm up about 4 or 5 inches. You want the winch cable to pull straight forward or a bit upward. I think the cable should route under the bow roller. Also be aware that it is common to not snug up the hull to the bow...

How are you determining the gallons already in the tank before fueling? Unless you run it dry, there is no accurate way to measure.

That is possible since my friend tends to fill the tank. However, if that were the case, he would not have the problem disappear after reversing the check valve. I can't answer the question about why there is a check valve. Some vapor recovery systems that I have seen diagrams for didn't seem...

Here is one approach. Lots of work, https://boatnotes.com/how-to/through-hull-plug