Need info on replacing primmer ball?

Question

my lawn mower motor the primmer ball needs replacing

the primmer ball is the black thing you press 3 times that primes the carb is a briggs and stratton motor if that helps

Answer 1

     Why does the primer plunger need replacing ? this is a lifetime thing. But, O.K. you'll have go to a Bgigg shop to get a replacement part. Make sure you have the numbers off the engine.