idling

I haven't ridden my pitbike 125cc lifan engine for over 2 .5 years or more but I have just turned it over and given it start here or there. I decided to start it today, I got it running but it didn't seem to hold revs very well even with the choke on. As well as this when the choke is off and...

Hey guys started hearing what sounds like a dry lose bolt coming from the motor. its an internal noise. I know its nothing to do with the head as ive recently had it off due to carby issues. The noise is there from start up cold to hot and just when idling. A little throttle makes this sound go...