Cold Weather Jetting Help.
Whats up everyone. so over the summer i had to re jet my 07 YFZ due to elevation change. im at about 5000ft + above sea level(New Mexico). it is jetted for 90 degree weather and now it is down to about 35-40 degrees. i have a 158 main, 42 pilot, needle on the 3rd from top and screw is just over 1 1/2 turns out. it does seem to be running a bit leaner. any suggestions on where to start tweeking these jets? Any help would be appreciated
i did seach some other threads and none of them really helped my situation.
Grey on Red
Last edited by YFZia505; 12-04-2010 at 05:14 PM.