how will a v-force valve affect my jetting on my 03 rm 250
L lencode Member Nov 7, 2002 6 0 Jan 9, 2003 #1 how will a v-force valve affect my jetting on my 03 rm 250
marcusgunby LIFETIME SPONSOR Jan 9, 2000 6,450 2 Jan 9, 2003 #2 not necessily-a few bikes seem to need rejetting but many dont.