Shop replacement repair parts for Walbro Small Engine model WY-31-1

Walbro primer bulb. The primer bulb draws additional fuel into the carburetor to make the engine easier to start. If the primer bulb is leaking, replace it.

Diaphragm assembly-metering

Spring-metering lever

Check valve

Walbro valve-inlet needle

Lever-metering

Gasket-metering diaphragm

Walbro diaphragm-fuel pump

Repair Kit

Thumb drive-Service video. Complete Walbro diaphragm carburetor inspection & service video set.



Screw-collar throttle

Gasket

Gasket-plate