Read the Owners Manual for your engine to learn everything about your new motor that you can. If the motor was bought used, try looking it
up at the manufactures web-site links on our site for more detail. You should also be able to get a copy or send away for
one through your local hobby dealer for a nominal price.
New Motor. If the motor is new, always break the motor in before using it to fly. Many
new modelers (and seasoned alike) have lost a plane due to flameout of a new engine that wasn’t
properly broken in.
Test Stand. Break your motor in on a test stand. This will allow you to control the situation
much better than in your model. Nothing is more frustrating then installing your motor in a plane just to find out there is
a manufactures defect and it must be taken back to the store or sent in for repair.
Used Motors. If the motor is used, in most cases it’s already in the ballpark as
far as setup. Turn the main needle valve several clicks rich before starting.
Needle Valve. Mark the large needle with a spot of paint or etch it with a file or owl.
This way you can judge easily how many clicks or turns you make during adjustment.
Removing Needle Valves. If you have to remove the needle valve to blow out dirt for instance.
Count your turns in ¼ or ½ turn increments. This will allow you to replace the needle back to its original setting when maintenance