Finally got my trimoto 125 running

[adam]

i finally get my trimoto 125 running and wow im hooked but when im going it powers thru 1st 2nd but i go into third and it pulls but starts to bog and i eventually have to pop it down to second to keep it running what do u think my problem is?
Thanks
Adam:acr

[Vealmonkey]

Make sure the brake isn't dragging, check the rear wheel bearings for drag and the front wheel bearings too. Check your plug, if it is black and sooty then you either have too much premix or you have poor jetting, too much fuel.