ok here is the reply from David DLA

hi,
Thanks for all your questions.
Here are the answers to ur questions:
we suggest to use 2s lipo=7.4v betrry.
second, the H needle 1.5, and low needle 2.
third, please change the position of spark plug. I mean change the left spark plug to right and right on to left.
and if you have any pictures to show the problems, please let me know.
we will always be here to solve your problems. if you have any problem, please let me know.
you can add jessica on [email protected]
Many thanks
David
I came back from testing the motor ..i did this before i get the mail..i coudnt weit..
richer needle setings2turns- H and2turns- L ..and i see now good blue smock coming out off both muflers ..so
must i continiou runing the motor on the grount or mount it on the plane and dou the rest on air??
the motor is responding ok to throtle ...i think i must close the H alittle if i go fliyng ...