As requested by Jesse, here is another how to video. This one is on how to properly set your governor, springs and throttle cable on our beloved ...
In this video I replace the two spings at the linkage on the carburetor of my Murray Lawn Mower that has a Briggs & Stratton Quattro 4 HP ...
Simple throttle setup that reuses parts on the carb and a few parts you can get at your local harware or grocery store. The only things you will ...
Briggs & Stratton carburetor rebuild on my Simplicity | Valves Ball
The 4212 (Regent), when running is a real brute on the grass cutting, especially on my anything but flat landscape. I bought it used (and abused) and had to unfreeze the steering before anything else. When I tore down the carburetor, the bowl had what looked like vanilla pudding in it (to the rim). I’ve had difficulty in getting it to idle smoothly, and not go into “surging” mode. Perhaps the missing spring (on order), but where does it go?
My guess would be replace the tank fitting with the carb fitting (shutoff), the big difference is the tank fitting has an integrated filter screen. go with an external filter (easier to replace/ clean).This carb appears to be the same as I have on my 4212 Simplicity. Where I am having problems getting the governor back into smooth operation (long spring to throttle missing, Any good hints on dealing with the “choke-a-matic” setup?
briggs pressure washer throttle linkage
The throttle OPENS when moving the 'exterior' lever from "turtle" to "rabbit", but does not close on it's own. The 'interior' throttle lever (connected to the butterfy) is attached to the "exterior" lever via the Governor spring and Governor linkgage, but nothing pulls it back. There is an empty hole in the lever, but I don't recall removing a spring from this location and none of the "exploded view" diagrams that I have found show anything there...