Connecting a bulb primer to a Husqvarna 125BV chainsaw entails attaching a small, rubber bulb to the carburetor’s gasoline inlet. The bulb is then squeezed repeatedly to attract gasoline from the tank and into the carburetor, priming the engine for beginning.
Bulb primers are necessary as a result of they assist to make sure that the engine receives a ample provide of gasoline to start out and run correctly. They’re notably helpful when the chainsaw has been sitting for a time period, because the gasoline within the carburetor might have evaporated.