400ex " break in Procedure"

[Dalex]

Going to bore my sleeve .20 over and install a new piston and rings, how should I break it in?:huh

[TCracin440ex]

http://www.mototuneusa.com/break_in_secrets.htm


there ya go

[cals400ex]

i follow that procedure too.

[bdrue]

his procedure is right, UTI teaches the same method and not to go "easy" on it