Shop replacement repair parts for Walbro Small Engine model WYJ-25-1

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.

Filter assembly-in tank

Diaphragm assembly-metering

Check valve

Walbro valve-inlet needle

Lever-metering

Gasket-metering diaphragm

Walbro diaphragm-fuel pump

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


Spring-metering lever


Screw-collar throttle

Screw-idle adjust

Gasket