edelbrock qwiksilver carb help

[trx400exrider34]

hows it going everyone?

i need a little help with me carb if anyone has one, i have 2000 trx 400 ex with qiksilver carb and dg oval lit exhaust i got it about 2 1/2 mounths ago

and it was smoking blue i've been playing with carb and i got the smoke to go away barley can see but i had to adjust needle 27 clicks on rich side or online

manual say full rich is 0 so i would be 5 clicks should i get new needle it has 15e in it now so should i go up a size or down or just leave it.

this is my first atv/4stroke besides my cbr's off road i was 2wheels 2stroke[