intercropping son asked his friends the wise .. I have used enjin MIVEC but dah upgrade all sorts his problems ... but when I launch a sapai gear stages suddenly into gear second son arrived rpm continues to drop dead enjin sapai son is there he caused the fuel regulator or any very large body therotle I use .... if you take the usual range ok .. but examples drag when the boy got pull power rpm drop suddenly got crazy-mad why yek ...