Hot4Teacher
Member
- Apr 21, 2002
- 87
- 0
I have a '99 yz400f. I hear alot of prople doing a BK mod on the newer thumpers. I was told that the mod can't be done on the 99 because of the different carb. Is this true? or is it just a little different technique on the older yz's? Any help would be greatly appreciated. Thanks.