Ayuh,..... I put nothing but ethanol free gas in all my boats, 'n small engines,....
That motor would be happy on 87, or 89 octane, the 90 will be no problem,....
Ayuh,...... Why would you want to reduce the potential oil reserve capacity,..??
Pluggin' it entails clampin' a 3/8" bolt in the end of the hose, 'n hopin' it don't spring a leak downstream somewhere,....
Ayuh,..... Welcome Aboard,...... That alarm only sounds for low oil pressure, hi water temp, or low drive oil,.....
Check the Contents of the fuel filter for anything but clean fresh gasoline,....
If it's lean detonation could destroy it in minutes,....
Ayuh,..... Agreed, starter bolts, gotta be starter bolts, not something out of a bin,.....
Merc makes some with a 1/2" hex, to help with the clearance issue,.....
I've been known to trim off that bit of flywheel cover, that gets in the way,....
Ayuh,..... I think that price is just plain Nutz, for a 40-odd year old hull,.....
You'll be upside-down as soon as ya hook onto it, with no hope of any kinda recovery,.....
'n the water ready boat will probably be newer,....