building the motor

200cc and under and how did you know he had a yz 250 carb


it was a 4 stroke (thats why my dad wants to build the motor) they dident say what they did to the motor but it must have ben built out the ass and they also had a 05 blaster with a yz250 carb on it and same pipe as mine and mine was still faster than the other blaster ( and my rings are starting to get a lil.worn because it is lousing comperision

you told us in your post