yea i got the athena kit used for 300 with cool head bb 19 cc domes couldnt pass but now thinking i shuld have just got a stock set ported do i launch full throttle or what it is so fast in power band im stumped i want a lot of top but still want mid to compliment ,i only have 1300 in total build bike pipes and big bore new to 2 stroke but hooked thanks for all help so far plug looked ok for three full pulls but did not shut bike down like i shuld have idk