Originally Posted by Mike_Swauger
1st Tank at idle. Shut it off and let it cool down. Make sure the piston is at the bottom.
2nd tank idle
3rd tank 1/4 throttle
4th tank 1/4 throttle
5th tank 1/2 throttle
6th tank 1/2 throttle
7th tank 1/2 throttle
8th tank full throttle (make sure engine is running rich)
9th tank 1/2 throttle
10th tank 1/4 throttle
Put the engine in the car and run two or three tanks at a rich setting on the track and then it will be o.k to lean it out.
Hi Mike,,
I know it's been a while since you posted this info..

, but would you recommend this brek-in procedure for the .21 Ninja..??
Thanks in advance bro..