HDA-112-1 Walbro Engine - Overview

This carburetor check valve seat assembly is an authentic OEM part used in small engine carburetors. It is a brass seal that secures the area around the needle valve and regulates the amount of fuel that enters the carburetor bowl. It helps to ensure that the engine receives the correct amount of fuel for the combustion process by prevent...Read moreing fuel from leaking or flowing back into the float chamber. It has inward-faced teeth which provide a secure hold over the needle valve to prevent it from falling out of alignment. If the check valve seat assembly is corroded, damaged, or its teeth are worn down, you will notice fuel leakages, hard starting, engine misfires, and reduced equipment performance. To access the check valve seat, you will need to disassemble the carburetor. Remove the faulty check valve seat from the equipment and attach the new one in place. Ensure that it is securely fitted before reassembling and operating your equipment.

This is a genuine item that is supplied by the original equipment manufacturer for use with Walbro carburetors. It is an identical replacement for missing or a faulty plug-welch that was installed on a new unit, please make sure to refer the appropriate diagrams of your model for the correct location and application of this hardware. Keep...Read more in mind this high-quality part is made of durable material and is sold individually.

This choke friction spring is sourced from the original equipment manufacturer for use in carburetors. It is a small, coiled metal spring that helps to maintain the desired position of the choke by providing the right amount of tension. If the spring wears down, breaks, or is dislodged from its position, you will notice difficulties start...Read moreing the engine, rough idling, and lower power output. To remove the spring, use a pair of needle nose pliers to detach it from the choke lever/plate. Install the new friction choke spring, and ensure it is adequately tensioned to keep the choke in place. Move the choke lever to confirm that the plate opens and closes freely, before reassembling your equipment.

This OEM choke friction ball measures approximately .125-inches in diameter and is made of high-quality steel. This choke friction ball works within the carburetor of an engine, along with the choke friction spring, to provide tension onto the choke lever for precise user control. If the ball becomes warped, damaged, or worn-out, it can c...Read moreause the level of tension for the choke lever to diminish, ultimately affecting the choke mechanism functionality. If you notice the choke lever is loose, difficult to adjust, or simply does not hold, the friction ball is likely damaged or warped. To prevent any sort of issues with the friction ball in the future, make sure to perform regular cleaning and maintenance on the choke mechanism and apply a small amount of lubricant such as silicone grease or engine oil when necessary. To replace the choke friction ball in your engine, disconnect the spark plug on your equipment and access the choke mechanism ? which may require you to disassemble covers, filters, or other components to access it. Once you locate the ball, use a screwdriver or set of pliers to remove the ball from its housing and clean the housing before installing the new ball. You can then install the new ball, along with the rest of the choke mechanism, and test to see whether its movement has improved

This is an authentic Walbro replacement part, sourced from the original manufacturer for use with carburetors. The primer bulb is commonly used to move fuel through the carburetor when cold starting the engine. This primer bulb is available as an individual replacement part.

This is an authentic Walbro replacement part, sourced from the original manufacturer for use with carburetors. The special air-purge body is commonly used to move additional fuel through the carburetor when cold starting the engine. This air-purge is available as an individual replacement part, please note the primer bulb is sold separately.

This is an original Walbro replacement part manufactured for use with carburetors. Fuel can oxidize if left inside an engine over time, and can result in gummy deposits that can clog the carburetor. Fortunately, these deposits can be cleaned by using a carburetor cleaner spray or an ultrasonic cleaner. Gaskets, valves, and screens may nee...Read mored to be replaced to ensure clear passageways and proper seals when the carburetor is rebuilt. This kit includes recommended items for replacement when rebuilding the carburetor, the repair kit is sold individually.