A primer bulb is important because it is helps to fill the carburetor with the correct amount of fuel. It does this by pulling fuel through the fuel line.

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You may need to fix or replace your primer bulb if:

It is not creating proper suctionIt has a crack in itIt is not creating pressure when you press it

Briggs and Strattonprimer bulb replacementsare available for purchase online forSprint or Quattro bulbs, andQuantum engine bulbs.


Press in from both sides of primer bulb cavity to release retainer tabs.Pry retainer out and remove bulb from primer seat groove.Remove primer seat using a crochet hook or other type of hook. The ball and spring will fall out.NOTE
: Do not stretch, bend or compress primer spring.Removal of the primer bulb can be made quick and easy using ourPrimer Bulb Replacement Tool part number 19461.
Place primer spring and ball in primer valve bore.Press primer seat into bore with groove on seat facing out.Insert primer bulb into retainer and moisten inside diameter of primer bulb.Press into primer cavity lining up locking tabs with locking slot in cavity.Press until both tabs are re-seated in locking slots.

WARNING: Always read theengine and equipment manual(s) before starting, operating, or servicing your engine or equipment to avoid personal injury or property damage. Fuel and its vapors are extremely flammable and explosive. Always handle fuel with extreme care.

See anauthorized dealerif you are unsure of any procedure or have additional questions.


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Learn how to properly and safely use, troubleshoot and maintain your Briggs & Stratton equipment.

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