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Old 01-19-2007, 05:29 PM
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Join Date: Dec 2001
Location: Battle Ground, WA
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Default RE: How to break in a nitro motor?

Okay, befor Ken post's, there are 2 ways of doing it. The first is to follow the manufactures instructions or do it like I do it. Put it on your plane, get your plane ready to fly, head out to the field and after all the needed safety procedures have been followed, fire up the engine. Start with opening the needle valve about 3 full turns and and get her running. At full power you can adjust the needle valve in or out to get her running rich, and fly it. After 3 or 4 flights, you can tune it up by adjusting the needle valve and the low speed, if your engine has one and enjoy it. Good Luck, Dave