My 2003 crf150f is not gettimg no spark from the coil everything else gets fire but the coil what could it be.

You need to use multi meter to test resistance readings from the stator your owner manual or bike shop can tell you what readings are within spec for each source on the stator but from what your saying and the age of bike almost definitely would be stator related
stator would normally have 2 or 3 sources of power or alternatively called tappings of the one stator my guess is when you test it with meter (OHMS) readings you will find at least one of the source power being out of spec and pretty much if any of the tappings or sources are out of spec you will not get bike to start from kick over - you will have weak spark or no spark!
any bike shop should be able to test the resistances for you if you dont have multi meter

good luck regards Jamie