Bike Ti, Tik Sound Problem

MyQuestion is. I hear a Tik, Tik Sound From My Honda 70cc Bike When Engine Is Hot. When Engine Is Cold The Sound Disappear. Or when engine take force it make tik, tik Sound.

Heating or cooling - normal

Could be the tappets making noise
you should get a mechanic to check the
valve tappet clearances
check the engine oil level
better replace the engine oil with 10W40
how many km run?