Sitting for 3 years, the stuff in the tank was reduced to goo
Did you clean out the tank after pumping it out? If not, the 25 gallons of fresh fuel just rehydrated the goo
The Amazon switches will fall apart after a while.
I would suggest Carling or Otto.
While Otto is the gold standard, Carling is the Sterling standard at 40% the cost
https://www.digikey.com/en/products/detail/carling-technologies/AV1-1A211E-R00/11587004
Depends on if it's direct drive or PMGR
Depends on if it's for a 153 tooth flywheel (straight across) or 168 tooth (staggered)
Depends if you are buying from GM or paying the markup thru Mercruiser, or from Arco, Remy, etc
I usually order from summit racing, however the last 5-6 carbs have been craigslist or facetube marketplace and I refurbished them for about 1/5th the cost of new.
Holley usually has sales on factory refurbished carbs on their site that will save you 25% over new
Not sure what carb they have...
wood is rotted in the transom. surprised you didnt have issues about 10 years ago.
its a weekend job and you will need access to someone that can weld aluminum and you will need to pull the motor