running in gas gas 300

[gggreg]

Break in

can anyone point me to some good advice on breaking in after a full engine rebuild and replate!
is the best method break in hard or normally with heat cycles?? to seat the riings good
I sure this is posted all the time but i cant find it. thanks

[kx250king]

yeah i have herd it both ways, to ride it slow for a period of time i think it was 1 or 2 tanks of gas, and some people say to break it in hard like you ride it normally.

[MX86]

let it warm up good, and take it slow for first half tank to a tank, and re tighten all the bolts and ya should be set