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jmho... I realize the VR is a water coold unit but... the stator having 2 yellows would indicate a basic ac stator feeding a full wave rectifier VR. 2 phase full wave VR are a very inexpensive component vs OEM. . if you could consider blocking out the VR openning on the PH with...
if the outer cap as you call it is not to damaged just rebuid it with high PSI JB weld and if need be to make certain JB holds.... put a few stainless staples in the plastic before recoating them with JB weld . smooth over and done ! I rebuilt my skeg with the stuff!!
original thread is 6 years old ... best to start a new one....and not revive old stuff.
manual $20 US easy downloads .
https://watercraftmanuals.com/outboard/johnson/johnson-5005463.htm
which pump are u using the small square OMC of the bigger one .
try lifting the properly venting fuel tank above the engine and get it running....see if stays running by gravity feed of fuel to the carb via the fuel pump check valves...
if it runs ok lower the fuel tank below the power...
may as well just polish it up, spray it with chromate base primer finish up with the engine color & go fishing! During a good run ....check lower section with an IR gun to see if something weird is going on.
odd... paint surface is not only soiled with some mineral it looks krinkled
as if overheated or gone through some weird stuff that only begins and stops at a clean junction of the lower exhaust housing. ????? .
what it used in some industrial application ?
if you do get the white...
IF it is salt or mineral deposits have you tried some vinigar or some desalting solution for OBs like SALT-AWAY
https://www.saltaway.com/recreational-marine
cyl head gaskets are not to pricy..usually it may be good exercise to open then up (don't break any bolts !!!!) and inspect the cyl water jackets and cooling paths in the cyl heads.
