Locate the idle adjustment screw on the side of the carburetor. It sometimes has a spring wound around the shaft. Turn this screw clockwise with a Phillips screwdriver until you encounter resistance, which means it has contacted the carburetor seat. Back it off 1 to 1 1/2 turns.
Where is the choke located?
The choke is located before the throttle, and manages the total amount of air going into the engine. The choke is only used when starting a cold engine. When doing a cold start, the choke should be closed to limit the amount of air going in.
What is a governor linkage?
The governor linkage on a lawn mower engine, such as a Briggs, is used to adjust the throttle of the mower in order for it to run at a consistent speed. When the lawn mower runs at only low throttle speed or at high throttle speed the governor may need to be manually set or adjusted.
What does a governor spring do on a Briggs & Stratton carburetor?
The governor springs on a Briggs & Stratton lawn mower carburetor control the engine speed under load and no-load operating conditions. The governor increases and decreases engine speed as the lawn mower is used over different terrains.
What is the code for a Briggs and Stratton 5 hp engine?
Briggs and Stratton 5HP Horizontal Shaft EngineModel 130212Type 4023-01Code 90120407REGARDING THE SPRINGI found the spring at my local small engine repair s. 8 hp briggs and stratton carburetor linkage diagram. Briggs and stratton 5hp horizontal shaft engine model 130212 type 4023 01 code 90120407 regarding the spring.
How do you install a secondary spring on a carburetor?
Clip the other oval-shaped end of the secondary spring into the hole of the stationary tang, located on the throttle lever control bracket. Place the air filter housing assembly on the top of the carburetor. Insert the screw into the air filter housing cover and tighten with a flat-head screwdriver. Reconnect the spark plug wire.
How do you replace the governor on a carburetor?
The governor primary and secondary springs both clip to the loop in the governor throttle arm linkage. The throttle lever is located on the throttle lever control bracket in front of the carburetor. Unclip the secondary governor spring end from the loop in the governor throttle arm linkage by hand.
