new motor break in

I recently installed a new motor and have put 70 miles on it and it still will not run clean and smooth and has little power is this normal and should i be more patient with the break in period. our other bikes have a lot more power even with a 30 sproket, the motor idles very well and there is no vibrations it has some power at low speeds and my gas is 6 ounces to the gal and spark plug is stock but in good condition. will the motor snap out of it and power up with a few more miles.

be patient,it will have more power after more miles.

Some motors never reach the normal HT full potential. I know becuase i have a single speed HT that is like that. Its a docile engine that starts easy, is very smooth but lacks power compared to my other HT engines. I accept it for what it is and hope one day it will come alive but enjoy the ride nevertheless.

thanks, this motor is only running smoth during acceleration, once it levels out it runs rough, i let it slow down and give it gas and it will run smooth until it quits acelerting, im not rappin it out it does this even at half throttle