wr450 jetting and mapping question
Posted April 30, 2014 - 03:58 AM
2012 wr450 air box boot pulled and a gytr slip on
2011 wr450 slip on pipe not sure of brand air box boot pulled
Posted April 30, 2014 - 05:19 AM
You should go down a pilot and main jet size on the '11, assuming they are correct now.
On the '12, re-set the ECU settings by warming up the bike for 3 min, then shutting it off for 1, then starting it back up for 1 min without touching the throttle (at all in any way) so the senors can re-acclimate.