spin on canister filter
https://www.amazon.com/Moeller-033320-10-Micron-Separating-Filter/dp/B000MTB6XE/ref=sr_1_7?dchild=1&keywords=marine+fuel+water+separator&qid=1604159594&sr=8-7
Look down the throat of the carb and see if you see fuel dripping. If it is, remove the top of carb, clean needle seat and reinstall.
Spraying cleaner will not clear the needle seat
A spin on fuel filter would be best, and there not that expensive
Auto gas line is good enough for testing but should be marine USCG type A1. Also need to fix the leak
Since your having to give it a lot of throttle to keep it running then probably need to get back into the carb, its probably flooding. Could be a spec of crud floated to the needle seat and...
When you do final alignment, the motor sits on the rear mounts with bolts in place just snug. The front of the motor is lifted just enough from the thermostat housing bracket so the bottom nuts can be run up against the bottom of the motor mounts, finger tight. The motor is lowered on to front...
Never seen pressure that low (15 psi) on a Merc. Depending on the serial number it would probably be 30 psi
An issue to measure TBI is getting the fitting to connect inline
Most likely not all the lube came out. Have not seen lube look like that, nor stay that way letting it sit. Muc has mentioned before that to clean it out it can take 3 changes (just as I remember)
Would be interesting to see if it ever does seperate
Not sure anyone can answer it on the legal side, but most comes down to insurance. Some say claims can be denied. I would suggest contacting your insurance company to see what they say
We all see these little boats with big HP on them
The part number is correct but coming from Amazon it can be rolling the dice. Might be good but may also be counterfeit. It says replaces that number.
Does list sierra impeller 18-3058
Might also be how your assembling. The housing should mount flush with no need to press and pull into place