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Assuming the motor can be tilted 'down' more than parallel to the transom, that angle can be referred to as negative trim. What the trim gauge reads depends on how it was calibrated/set up. On my Yamis you can't display less than zero bars but the zero bars could actually represent an angle less...

Normally I would expect the oil to be at the top of the tank Nobody I know would spend $8,000 on motor work just to feel safe unless something was seriously wrong. There are two different oil pumps, one electric on the back of the remote tank and one 'mechanical' on the side of the motor...

I am not familiar with the bulkhead on that model but in general, if it is glassed in, starbaord would be a poor choice. That material is meant to be mechanically secured with bolts or screws. It does not adhere well to most adhesives and resins. Marine plywood is an option but take a look at...

In addition to connecting the wires correctly ( if leads are reversed, the link won't work) you will need to configure the port on the plotter and perhaps the radio. You will have to look at the manuals. The key parameter is port speed but there are others that may or may not need tweaking.

Great photo, as they say, a picture is worth a thousand posts! Keep us informed and good luck resolving the issue.

I bet the plugs weren't iridiums:) Chucking new $3 plugs is not nearly as painful as chucking $15 or more plugs..

So far, good diagnostic approach. here are a few additional things to check. Normally the tank on the motor should be almost full. It should never be lower than the halfish level.Depending on where it was when you turned off the motor it may not be full but in that case, if you turn on the...

The gauge shows both alarms in different ways but it will be obvious if the alarm is for low oil in main tank; In that case the revs will go down as the motors switches to limp mode. There is a separate alarm for low oil in remote tank. That alarm does not put the motor in limp mode. The comment...

More important than the hole (2nd is the rigging default I think) is where the anti- ventilation plate sits when on plane which in your case may be an problem maintaining. Experiment with the motor trim with no trim tabs applied as a start. While on plane or there abouts, take a look over the...

Check the connections on the starter relay. I believe that is where the positive batter feed connects. The ground black battery cable connects to bolt on the motor. Are you sure you do not have a battery switch? I would be surprised but not as much as two weeks ago when I actually worked on a...

You can try removing the bolt, and cleaning the rust off with CLR or something like hull stain cleaner. After it dries, coat the bolt (it may be a screw like a lag bolt, with a sealant like Life Caulk. Coat the bolt well including the underside of the bolt head. Then reassemble. Wipe off the...

Are you trying to rinse the raw water washdown and/or livewell with fresh water? That is typically not done and there isn't a big need either. The raw water wash down is connected to a sea cock in the bilge, connected to a water strainer through hull. There is nothing to connect a hose to...

No, if it did your electronics and most other things wouldn't power up. The power to the motors comes directly from the battery cable that is wired through the battery switch. Your problem could be a battery cable or cables, a bad battery switch, a bad motor ground (pretty common issue) either...

OK. 2 strokes as I suspected. There is a tank on each motor, so in total you have 4 oil tanks. Depending on your gauge type, the alarm will tell you what the alarm condition is. Basically there are two separate alarms and you can get one or both depending on the oil levels in the tanks. In...

It would help to know the engine model but I will assume its a 2 stroke. In that case, there are two oil tanks, a larger one in a locker that is called the remote tank and a smaller one under the motor cowling called the main. Basically when the main gets low, it sends a signal to a pump on the...

First thing to check is that the throttle linkage on the motor is moving all the way to open throttle when the lever is pushed forward. Do that with the motor not running. 4000 revs WOT is way too low for that motor. Many possible causes but some more common than others. Assuming the motor...

Great photos! When you refer to the white painted photo are you talking about the last picture? Did you paint the backside of the deck lid skin where the Coosa will be epoxied in? If so, you might be asking for trouble if that paint weakens the bond.

Gee, does NFW stand for "Not Financially Wise"?

I might add that if you see rust runs under the platform underneath where the mounting bolts, removal, cleaning and rebedding may be advisable.

Two pickups in each tank. You did get me thinking that a somewhat simple test is to swap the fuel lines at the output side of the water/separator and see if the problems switches engines. I don't think it will but it it does that narrows the fuel issue to the original filter and everything back...