larry171
02-22-2006, 01:37 PM
ok guys i need everyones help here i read you can take out your choke and add a 42 pilot jet and this will give you bettere throttle response . i did this and it starts but will not idle it pops . and sputters but when i do get it going it does seem to be aa little snappier i live in southwest michigan i dont no the elevation .. and i have no other mods on my stock 2002 400ex any help would be great .. i heard you need to adjust the pilot screw but i have no clue of where it is ...thznx everyone