My dad's she is runnin like shit and i have no clue why, it runs great at mid to wot, but on the low end it doesn want to stay runnin. We changed plugs, it's jetted right, switch my reeds into it and still nothing. he thinks its the cdi and i dont any info will help. also its an 87 with t-5's, 34's, 7mm stroker, cool head with ? domes, drag port. if that help's. thanx