Briggs carburetor part numbers 498811, 790206, 790218, 794161, 795475, 795477
used on selected Models 093902, 095902, 095982, 096902, 096982, 098902, 098982, 09B902, 09C902, 09C982, 09D902, 09D982, 09E902, 09E912, 09F902, 09G902, 09H902, 09J902, 09K902, 09L502, 09L702, 09L902, 09M902, 09S502, 09T502, 09T702, 09T802, 10A902, 10A912, 10A982, 10B902, 10C902, 10C982, 10D902, 10D912, 10D982, 10E902, 10F902, 10G902, 10H902, 10J902, 10J912, 10K902, 10L502, 10L602, 10L802, 10L902, 10M902, 10M912, 10N902, 10S902, 10T502, 10T602, 10T702, 10T802, 10T812, 120L02, 120T02
This is a Briggs and Stratton Pulsa-Prime tank-mounted carb on 10L900 Series Engine with vertical crankshaft (#1). Remove air filter by removing single center screw.
There is a round fiber gasket between the air filter base and the carb. (#2).
View of the area of the fuel tank where the carb mounts (#3).
View of the bottom of the carb (#4) showing the diaphragm and screens. The diaphragm goes next to the tank; the gasket goes next to the carb.
Position of diaphragm spring (#5).
The pickup tube screen must be clean (#6).
The seal retainer (#7) keeps the O-ring in position.
The intake seal O-ring (#8) fits over the intake pipe on the engine.
The throttle plate can be pulled out of the throttle shaft (#9). The shaft can then be lifted out.
Press the tabs on each side of the primer bulb inward and outward (#10) to remove the bulb and its retainer.
After removal of the primer bulb, the primer check valve can be accessed (#11). The rubber seat (green) can be pulled out with a small hook such as a #5 crochet hook. The grooved side of the seat must face away from the check ball, i.e. it should face outward as in the photo.
The check valve seat, ball and spring (#12). The smooth side of the seat with the chamfered hole faces the ball.
The main nozzle can be pressed out from the center of the venturi for cleaning(#13).