Shop replacement repair parts for Walbro Small Engine model WYJ-455-1

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

Body-air purge

Check valve

Walbro valve-inlet needle

Lever-metering

Walbro diaphragm-fuel pump

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

Spring-metering lever

Screw-pump cover

Screw-metering lever

Screw-collar throttle

Screw-idle adjust

Gasket-metering diaphragm

Body-pump