Small Engines (Lawn Mowers, etc.): blower wont start, fuel mix, crankcase


Question
i have a blower i can pull and pull and it won't start.  it will act like it wants to but then it goes away.

Answer
hi mike

Can i have more information  please?
 
what  make    model    2  or 4 stroke  straight or bent shaft

has the unit been sitting for quite a while  ie  how long ?
is fuel mix fresh and correct amount of oil in mix ?
has unit got good spark  ?  is spark  consistant?  - new plug
is compression good  ?
is  muffler not blocked or restricted ?
is fuel filter blocked / restricted
is the carb flooding  - raw fuel mix in combustion chamberor crankcase  or comming out muffler

can you let me know  so i can narrow it down

cheers  paul