88dunerider
03-23-2010, 09:37 PM
hey guys so i picked up a 2000 400ex with a 440 kit and stage 3 hot cam today . has a 450r carb on her and stock exhaust but there is no baffle/spark arrestor in muffler basically is gutted , they guy said it was all jetted right and riding it today doesnt seem to have any problems but i want to get the hmf slip on and then eventually get the head pipe but for now if i get the hmf slip on what jetting should i go with that 450r carb? just leave it or rejet it again?