X400EX
02-26-2008, 08:02 AM
Hi all,
Since I've replaced my stock carb by a 450r FCR 41 mm, the color of my spark plug is brown on one side and mid-white or grey on the other side... It is like splitted in the middle of the element.
If I do a main jet test (WOT), the difference of color is more important.
What could it be?
Since I've replaced my stock carb by a 450r FCR 41 mm, the color of my spark plug is brown on one side and mid-white or grey on the other side... It is like splitted in the middle of the element.
If I do a main jet test (WOT), the difference of color is more important.
What could it be?