HI there ///
for what is worth i have been in the hobbie for 30+ years i also owend a fulltime hobbie shop for 6 years and i got to tell you i have never seen a good k&b if your just starting out it might be better to pick up a magnum or os the k&b will do nothing but hack you off !!!! when trying to get it running right they are very
picky oh well hope this helps

rob