jetting help

[chrs]

Not sure who posted a web site for netting but had a pic of plug after a run my plug is black all the way any help would be great 87 250 r 40 over 38mm kelien 40:1 Ams oil synthedic blend premium

[chrs]

Gas run through seems to have a little miss to her also

[atc007]

Light black is safe ,,,especially with temps dropping 50 degrees in the coming weeks. Ideally a dark brown is good,,but it sounds like you have a worn out carb. It was just cleaned correct? Gas should not be leaking : )

[chrs]

No gas leak just rebuilt