Hi I have a 06 crf I believe it is a 280 now has a vortex barrel installed, I feel like at low rev's in corner's etc I get bogging I have had the throttle wide open on occasions and just take's a few more second's to get going the bike has been checked out by a friend and the spark plug colour was perfect. Could I maybe try re-jetting?. Not entirely sure on what stuff to buy as I'm not the best mechanic.
Any help would be great thank's.