98 wr400 plug troubles
Posted April 12, 2006 - 07:12 PM
Posted April 12, 2006 - 08:01 PM
Where is is breaking up? If in between closed - 1/4, it is the pilot circuit, if 1/4 - 3/4 it is the needle, if 3/4 to full open throttle, it is the main jet.
My guess is the weather has got hotter there if your bike ran good before!
What is your jetting specs?? My guess is you are way out.
Posted April 14, 2006 - 05:37 AM