charcoal black piston

[Antec1200X]

well we know i went ahead and changed my rings earlyer but i forgot to mention the top of the piston was charcoal black.
my question is whould that be from the pilot or the main jet?
and the reason i ask because im not having any luck getting the 155 main but they do have a 48 pilot.just wondering if the pilot i have is causing the piston to turn charcoal black(58) or is it the main(145).
even if i order em today i dont want to be sitting here with my thumb up my ass all week end
(not litteraly with the thumb deal lol)

 

[sicivicdude]

It's normal for the crown of the piston to be dark from coke. Total loss oiling will result in a black coating...

It DOES sound like your pilot jet is large and 48 might be closer to what you need. It's an unusual combo, 145 main and 55 pilot... I would suspect the jetting you're onto (155 main and 48 pilot) will be much closer.

 

[Antec1200X]

just had it out and it sputters too much to enjoy a ride,i called the local atv rip offs and they said to try them monday lol

 

[Awk08]

34mm pj
45/48 pilot
155 main, 162 in the cooler months <(below 45 degrees)
dgh needle, middle clip

i actually looked and i dropped to the 45 pilot last year, airscrew under 2 turns out,
starts 1-2 kicks with the choke on when cold, and 1 kick every time after warm up

i also use the cable to adjust the idle, turning that POS choke knob idle makes it boggy ???? so i just deal with the high rev when i turn the bars to the left ????