Hey guys, wondering if anyone has any experience with this, 07 WR450 has a nasty mid throttle stutter in all gears. Tried disconnecting TPS, no change, tried grey wire disconnect, no change. Only way I can get it to go away is to drop the needle one position. Then mid throttle stutter goes away but bike won't idle (unless its at 2krpm) and backfires like crazy when on decel.
Any help is appreciated! I've fought with this thing for months to get the jetting dialed in right and now I get this