Carb and spark ?

[Sand Dawg]

It's a 92 350 Mag in a 21.5 ft, plugs are BR6FS, stock carb Weber/Catrer and new rebuild on the carb, runs good for a cruiser.
Question ....taking the plugs out for inspection and all are char/coal black.
..Is this a fuel/air mix problem or just the norm?
ps..... no oil use or fuel smell in the oil.

[Moneypitt]

Too fat............period..............MP
PS: unless you are trying to read the plugs after you idle in after a run. You must shut it down "right now" to get an acurate reading on the plugs. Idleing in will give you false readings........

[steelcomp]

Don't try and put those black plugs back in and get a running reading, either. Buy new plugs. :coffeycup

[GofastRacer]

The only way to get a true reading of the plugs is to click it off at WOT after a good run!..

[Sand Dawg]

I already know I'm too fat, but what do I do about it?
Which fuel screw on the front of the Weber is for high idle and which
is for idle/idle.
New plugs will be going back in.
Or is this a jetting issue?????

[Sand Dawg]

anyone???????

[Taylorman]

The screws on the front of the carb are for idle. You need to put smaller secondary jets in it.

[Sand Dawg]

So what is the safest and easiest way to change secondary jets in a Carter/Weber carb, short of taking off and sending it in?