Rode my 05 CRF250X first time today. Throttle response is great at low rpm's but it has a bad bog mid throttle and up. It has airbox cut, screen removed , pink wire mod, baffle removed,JD kit 165 main, blue needle in #4 position, fuel screw 2.25 turns out. Temps were 32 to 50 today. 1200' Any suggestions?