jeting help pls 640sm with fcr

[thedarkslide]

Hello to all of you im yaniv I don’t write here to much but use this forum for

Good source of knowledge to work on my bike

But now I need some advice on how to tune up my bike

The bike is 2002 ktm lc4 sm with fcr41 carb and the LC4 Competition Silencer

From the hard parts catalog

I bought it second hand and it came of 95 ktm duke and it has the sudco sticker on it

Now I cant get the dam thing to work as it should the setting on it now is

Needle type : ocem r second groove from the top

Maine air jet : 200

Starting jet : 60

Ideal jet : 50

Main jet : 170

I am at sea level

Any help to solve this will help thanks

[Wayward Son]

what is the running problem?

[thedarkslide]

? Well its hard to put it in words but it just doesn't sound good the spark plug reading shows

it is to reach the mixture jet is opened 1.5 turns out

and the air jet 2.5 turns out when I move from full throttle to 1/4 it gives out

popping noises

can you tell by your experience if the jeting is reasonable o.k

thanks

[Wayward Son]

the jetting is reasonable.

i cant help much with a description of the running issue.